PLANETARY SCIENCE INSTITUTE

Address
1700 E FT LOWELL RD NO 106
TUCSON, AZ 85719
Contact
Website: http://www.psi.edu
Phone: +1 (520) 622-6300
Nonprofit
NTEE: U31 - Astronomy
EIN: 33-0175263

Mission

THE PLANETARY SCIENCE INSTITUTE STUDIES THE ORIGIN, CHARACTERISTICS, AND EVOLUTION OF PLANETARY SYSTEMS, INCLUDING OUR SOLAR SYSTEM, EARTH ITSELF, AND PLANETARY SYSTEMS AROUND OTHER STARS. WE CONVEY THE RESULTING KNOWLEDGE TO THE SCIENTIFIC COMMUNITY, AND TO THE PUBLIC AT LARGE TO PROMOTE SCIENCE EDUCATION AND SCIENCE LITERACY. WE FURTHER USE THIS KNOWLEDGE TO ADVANCE HUMAN ACTIVITY IN SPACE AND SHAPE THE FUTURE OF ROBOTIC EXPLORATION OF THE SOLAR SYSTEM.
 20172016201520142013
Basic features of the organization
Year of formation1986
Subsection code03
PF filing required0    
Metropolitan statistical area8520
Form of organization
CorporationTrue
Human resources, including compensation
Summary compensation info
Total compensation of current key personnel$379,442.00$386,820.00$328,439.00$359,204.00 
Sum of reportable (W2/1099) compensation$1,245,364.00$1,230,309.00$1,146,091.00$1,278,484.00 
Number of employees128123113100 
Number of people compensated >$100k21221819 
Number of volunteers4444 
Number of highly compensated contractors0000 
Personnel
Alexander, Joseph
Title TrusteeTrustee  
Name of key/compensated person Dr Joseph AlexanderDr Joseph Alexander  
Position of compensated person
Current individual trustee or director TrueTrue  
Average hours per week working for org 5.005.00  
Reportable compensation from org $0.00$0.00  
Other comp, non-reportable, from org and related orgs $0.00$0.00  
Corresponding comp from related orgs
Reportable compensation from related orgs  $0.00$0.00  
Archinal, Brent
Title TrusteeTrusteeTrustee 
Name of key/compensated person Dr Brent ArchinalDr Brent ArchinalDr Brent Archinal 
Position of compensated person
Current individual trustee or director TrueTrueTrue 
Average hours per week working for org 5.005.005.00 
Reportable compensation from org $0.00$0.00$0.00 
Other comp, non-reportable, from org and related orgs $0.00$0.00$0.00 
Corresponding comp from related orgs
Reportable compensation from related orgs  $0.00$0.00$0.00 
Barnett, Bruce
TitleCHIEF FINANCIAL OFFICERChief Financial OfficerChief Financial OfficerChief Financial Officer 
Name of key/compensated personBRUCE BARNETTBruce BarnettBruce BarnettBruce Barnett 
Position of compensated person
Average hours per week working for org40.0040.0040.0040.00 
Reportable compensation from org$190,113.00$171,419.00$155,126.00$156,093.00 
Other comp, non-reportable, from org and related orgs$41,040.00$37,531.00$35,370.00$28,204.00 
Corresponding comp from related orgs
Reportable compensation from related orgs $0.00$0.00$0.00$0.00 
Belton, Michael
TitleTRUSTEETrustee   
Name of key/compensated personDR MICHAEL BELTONMichael Belton   
Position of compensated person
Current individual trustee or directorTrueTrue   
Average hours per week working for org5.005.00   
Reportable compensation from org$0.00$0.00   
Other comp, non-reportable, from org and related orgs$0.00$0.00   
Corresponding comp from related orgs
Reportable compensation from related orgs $0.00$0.00   
Gaskell, Robert
TitleSR. SCIENTISTSenior ScientistSenior ScientistSenior Scientist 
Name of key/compensated personROBERT GASKELLRobert GaskellRobert GaskellRobert Gaskell 
Position of compensated person
Average hours per week working for org40.0040.0040.0040.00 
Reportable compensation from org$175,390.00$175,711.00$166,087.00$156,812.00 
Other comp, non-reportable, from org and related orgs$24,149.00$24,186.00$23,012.00$21,714.00 
Corresponding comp from related orgs
Reportable compensation from related orgs $0.00$0.00$0.00$0.00 
Gibbs, Michael
Title   Chief Advancement Officer 
Name of key/compensated person   Dr Michael Gibbs 
Position of compensated person
Average hours per week working for org   40.00 
Reportable compensation from org   $141,550.00 
Other comp, non-reportable, from org and related orgs   $25,573.00 
Corresponding comp from related orgs
Reportable compensation from related orgs    $0.00 
Hansen-Koharcheck, Candice
TitleSR. SCIENTISTSenior ScientistSenior ScientistSenior Scientist 
Name of key/compensated personCANDICE HANSEN-KOHARCHECKCandice Hansen-KoharcheckCandice Hansen-KoharcheckCandice Hansen-Koharcheck 
Position of compensated person
Average hours per week working for org40.0040.0037.0040.00 
Reportable compensation from org$163,466.00$169,634.00$162,576.00$162,576.00 
Other comp, non-reportable, from org and related orgs$22,664.00$23,518.00$22,539.00$22,539.00 
Corresponding comp from related orgs
Reportable compensation from related orgs $0.00$0.00$0.00$0.00 
Hartmann, William
TitleTRUSTEE/SENIOR SCIENTISTTrustee/Sr. ScientistTrustee/Sr. ScientistTrustee/Sr. Scientist 
Name of key/compensated personDR WILLIAM HARTMANNDr William HartmannDr William HartmannDr William Hartmann 
Position of compensated person
Current individual trustee or directorTrueTrueTrueTrue 
Average hours per week working for org3.007.007.007.00 
Reportable compensation from org$10,197.00$23,978.00$17,976.00$17,204.00 
Other comp, non-reportable, from org and related orgs$0.00$0.00$4,900.00$13,962.00 
Corresponding comp from related orgs
Reportable compensation from related orgs $0.00$0.00$0.00$0.00 
Hendrix, Amanda
TitleSR. SCIENTISTSenior ScientistSenior ScientistSenior Scientist 
Name of key/compensated personAMANDA HENDRIXAmanda HendrixAmanda HendrixAmanda Hendrix 
Position of compensated person
Average hours per week working for org39.0039.0040.0040.00 
Reportable compensation from org$160,674.00$163,111.00$154,167.00$156,129.00 
Other comp, non-reportable, from org and related orgs$44,761.00$45,658.00$44,526.00$39,962.00 
Corresponding comp from related orgs
Reportable compensation from related orgs $0.00$0.00$0.00$0.00 
Hunter, Tim
TitleTRUSTEE/CHAIR OF THE BOARDTrustee/Chair of the BoardTrustee/Chair of the BoardTrustee/Chair of the Board 
Name of key/compensated personDR TIM HUNTERDr Tim HunterDr Tim HunterDr Tim Hunter 
Position of compensated person
Current individual trustee or directorTrueTrueTrueTrue 
Average hours per week working for org5.005.005.005.00 
Reportable compensation from org$0.00$0.00$0.00$0.00 
Other comp, non-reportable, from org and related orgs$0.00$0.00$0.00$0.00 
Corresponding comp from related orgs
Reportable compensation from related orgs $0.00$0.00$0.00$0.00 
Kohl, Candace
TitleTRUSTEE/VICE CHAIR    
Name of key/compensated personDR CANDACE KOHL    
Position of compensated person
Current individual trustee or directorTrue    
Average hours per week working for org5.00    
Reportable compensation from org$0.00    
Other comp, non-reportable, from org and related orgs$0.00    
Corresponding comp from related orgs
Reportable compensation from related orgs $0.00    
Kohl, Candance
Title Trustee/Vice ChairTrustee/Vice ChairTrustee/Vice Chair 
Name of key/compensated person Dr Candance KohlDr Candance KohlDr Candance Kohl 
Position of compensated person
Current individual trustee or director TrueTrueTrue 
Average hours per week working for org 5.005.005.00 
Reportable compensation from org $0.00$0.00$0.00 
Other comp, non-reportable, from org and related orgs $0.00$0.00$0.00 
Corresponding comp from related orgs
Reportable compensation from related orgs  $0.00$0.00$0.00 
Melroy, Pamela
TitleTRUSTEE    
Name of key/compensated personCOL PAMELA MELROY    
Position of compensated person
Current individual trustee or directorTrue    
Average hours per week working for org5.00    
Reportable compensation from org$0.00    
Other comp, non-reportable, from org and related orgs$0.00    
Corresponding comp from related orgs
Reportable compensation from related orgs $0.00    
Prettyman, Thomas
Title Senior ScientistSenior Scientist  
Name of key/compensated person Thomas PrettymanThomas Prettyman  
Position of compensated person
Average hours per week working for org 40.0040.00  
Reportable compensation from org $155,090.00$150,700.00  
Other comp, non-reportable, from org and related orgs $35,989.00$35,241.00  
Corresponding comp from related orgs
Reportable compensation from related orgs  $0.00$0.00  
Schmoll, Kathryn
Title Trustee   
Name of key/compensated person Kathryn Schmoll   
Position of compensated person
Current individual trustee or director True   
Average hours per week working for org 5.00   
Reportable compensation from org $0.00   
Other comp, non-reportable, from org and related orgs $0.00   
Corresponding comp from related orgs
Reportable compensation from related orgs  $0.00   
Simmons, Pat
Title TrusteeTrusteeTrustee 
Name of key/compensated person Pat SimmonsPat SimmonsPat Simmons 
Position of compensated person
Current individual trustee or director TrueTrueTrue 
Average hours per week working for org 5.005.005.00 
Reportable compensation from org $0.00$0.00$0.00 
Other comp, non-reportable, from org and related orgs $0.00$0.00$0.00 
Corresponding comp from related orgs
Reportable compensation from related orgs  $0.00$0.00$0.00 
Smith, Benjamin
Title Trustee/SecretaryTrustee/SecretaryTrustee/Secretary 
Name of key/compensated person Benjamin SmithBenjamin SmithBenjamin Smith 
Position of compensated person
Current individual trustee or director TrueTrueTrue 
Average hours per week working for org 5.005.005.00 
Reportable compensation from org $0.00$0.00$0.00 
Other comp, non-reportable, from org and related orgs $0.00$0.00$0.00 
Corresponding comp from related orgs
Reportable compensation from related orgs  $0.00$0.00$0.00 
Sykes, Mark
TitleTRUSTEE/CEOTrustee/CEOTrustee/CEOTrustee/CEO 
Name of key/compensated personDR MARK SYKESDr Mark SykesDr Mark SykesDr Mark Sykes 
Position of compensated person
Current individual trustee or directorTrueTrueTrueTrue 
Average hours per week working for org40.0040.0040.0040.00 
Reportable compensation from org$207,571.00$191,423.00$172,947.00$171,789.00 
Other comp, non-reportable, from org and related orgs$28,838.00$26,569.00$23,900.00$23,900.00 
Corresponding comp from related orgs
Reportable compensation from related orgs $0.00$0.00$0.00$0.00 
Tokar, Robert
TitleSR. SCIENTISTSenior ScientistSenior ScientistSenior Scientist 
Name of key/compensated personROBERT TOKARRobert TokarRobert TokarRobert Tokar 
Position of compensated person
Average hours per week working for org40.0040.0040.0040.00 
Reportable compensation from org$179,903.00$179,943.00$166,512.00$162,393.00 
Other comp, non-reportable, from org and related orgs$25,060.00$25,042.00$23,167.00$22,591.00 
Corresponding comp from related orgs
Reportable compensation from related orgs $0.00$0.00$0.00$0.00 
Vaniman, David
Title   Senior Scientist 
Name of key/compensated person   David Vaniman 
Position of compensated person
Average hours per week working for org   40.00 
Reportable compensation from org   $153,938.00 
Other comp, non-reportable, from org and related orgs   $21,311.00 
Corresponding comp from related orgs
Reportable compensation from related orgs    $0.00 
Weitz, Catherine
TitleSR. SCIENTIST    
Name of key/compensated personCATHERINE WEITZ    
Position of compensated person
Average hours per week working for org40.00    
Reportable compensation from org$158,050.00    
Other comp, non-reportable, from org and related orgs$33,780.00    
Corresponding comp from related orgs
Reportable compensation from related orgs $0.00    
Purpose: mission, activities, & accomplishments
Mission or significant activitiesSOLAR SYSTEM EXPLORATION, COMPARATIVE PLANETOLOGY, SCIENCE EDUCATION AND PUBLIC OUTREACHSolar System Exploration, Comparative Planetology, Science Education and Public Outreach.Solar System Exploration, Comparative Planetology, Science Education and Public Outreach.Solar System Exploration, Comparative Planetology, Science Education and Public Outreach. 
Program service expenses, total$10,618,068.00$10,266,492.00$9,191,721.00$8,494,198.00 
Programs, including revenue & expenses
THE PLANETARY SCIENCE INSTITUTE (PSI) IS A NONPROFIT SCIENCE RESEARCH AND EDUCATIONAL ORGANIZATION WITH AN ESTABLISHED RECORD OF EXCELLENCE IN SOLAR SYSTEM EXPLORATION, COMPARATIVE PLANETOLOGY, SCIENCE EDUCATION AND PUBLIC OUTREACH. PSI HAS SCIENTISTS IN 23 STATES, THE DISTRICT OF COLUMBIA, AND OTHER LOCATIONS AROUND THE WORLD. IN THE FISCAL YEAR ENDING SEPTEMBER 30, 2017, PSI SCIENTISTS OPERATED INSTRUMENTS ON NASA'S DAWN, MARS SCIENCE LABORATORY, AND JUNO MISSIONS AND PROVIDED SCIENCE TEAM SUPPORT FOR THESE AND NASA'S CASSINI, MARS RECONNAISSANCE ORBITER, MARS EXPLORATION ROVER, LUNAR RECONNAISSANCE ORBITER, AND THE OSIRIS-REX MISSION, ESA'S MARS EXPRESS, JAPAN'S HAYABUSA 2 NEO SAMPLE RETURN MISSION AND JAPAN'S AKATSUKI MISSION AT VENUS.PSI SCIENTISTS DEVELOPED A METHOD OF CONSTRAINING THE MAGNETIC FIELDS OF GIANT EXOPLANETS, DETERMINED THAT PITS IN CRATERS ON CERES INDICATE BURIED ICE, DETERMINED THAT PLANETS INCLUDING EARTH MAY HAVE STARTED OUT AS WARM BALLS OF MUD, AND GAINED NEW INSIGHTS INTO THE STRUCTURE AND AGE OF MARTIAN POLAR ICE CAPS.PSI SCIENTISTS WERE AWARDED RESEARCH GRANTS AND CONTRACTS TO CONDUCT DIVERSE RESEARCH AND LABORATORY STUDIES COVERING THE MOON, MARS, ASTEROIDS, COMETS, INTERPLANETARY DUST, METEORITES, OUTER PLANET SATELLITES, SOLAR SYSTEM DYNAMICS, SOLAR SYSTEM ORIGINS, AND OTHER AREAS.PSI IS RESPONSIBLE, AS PART OF NASA'S PLANETARY DATA SYSTEM, FOR ARCHIVING ALL MISSION DATA INVOLVING ASTEROIDS, COMETS AND INTERPLANETARY DUST AND MAKING IT AVAILABLE TO THE GENERAL SCIENCE COMMUNITY AND PUBLIC. PSI SCIENTISTS ENGAGED IN PUBLIC OUTREACH THROUGH ART, WRITING CHILDREN'S BOOKS, POPULAR SCIENCE BOOKS, AND PUBLIC LECTURES AND BROADCAST EVENTS SUCH AS DISCOVERY CHANNEL AND BBC SPECIALS.
Program expenses$10,618,068.00    
Program revenue$12,037,341.00    
Program descriptionTHE PLANETARY SCIENCE INSTITUTE (PSI) IS A NONPROFIT SCIENCE RESEARCH AND EDUCATIONAL ORGANIZATION WITH AN ESTABLISHED RECORD OF EXCELLENCE IN SOLAR SYSTEM EXPLORATION, COMPARATIVE PLANETOLOGY, SCIENCE EDUCATION AND PUBLIC OUTREACH. PSI HAS SCIENTISTS IN 23 STATES, THE DISTRICT OF COLUMBIA, AND OTHER LOCATIONS AROUND THE WORLD. IN THE FISCAL YEAR ENDING SEPTEMBER 30, 2017, PSI SCIENTISTS OPERATED INSTRUMENTS ON NASA'S DAWN, MARS SCIENCE LABORATORY, AND JUNO MISSIONS AND PROVIDED SCIENCE TEAM SUPPORT FOR THESE AND NASA'S CASSINI, MARS RECONNAISSANCE ORBITER, MARS EXPLORATION ROVER, LUNAR RECONNAISSANCE ORBITER, AND THE OSIRIS-REX MISSION, ESA'S MARS EXPRESS, JAPAN'S HAYABUSA 2 NEO SAMPLE RETURN MISSION AND JAPAN'S AKATSUKI MISSION AT VENUS.PSI SCIENTISTS DEVELOPED A METHOD OF CONSTRAINING THE MAGNETIC FIELDS OF GIANT EXOPLANETS, DETERMINED THAT PITS IN CRATERS ON CERES INDICATE BURIED ICE, DETERMINED THAT PLANETS INCLUDING EARTH MAY HAVE STARTED OUT AS WARM BALLS OF MUD, AND GAINED NEW INSIGHTS INTO THE STRUCTURE AND AGE OF MARTIAN POLAR ICE CAPS.PSI SCIENTISTS WERE AWARDED RESEARCH GRANTS AND CONTRACTS TO CONDUCT DIVERSE RESEARCH AND LABORATORY STUDIES COVERING THE MOON, MARS, ASTEROIDS, COMETS, INTERPLANETARY DUST, METEORITES, OUTER PLANET SATELLITES, SOLAR SYSTEM DYNAMICS, SOLAR SYSTEM ORIGINS, AND OTHER AREAS.PSI IS RESPONSIBLE, AS PART OF NASA'S PLANETARY DATA SYSTEM, FOR ARCHIVING ALL MISSION DATA INVOLVING ASTEROIDS, COMETS AND INTERPLANETARY DUST AND MAKING IT AVAILABLE TO THE GENERAL SCIENCE COMMUNITY AND PUBLIC. PSI SCIENTISTS ENGAGED IN PUBLIC OUTREACH THROUGH ART, WRITING CHILDREN'S BOOKS, POPULAR SCIENCE BOOKS, AND PUBLIC LECTURES AND BROADCAST EVENTS SUCH AS DISCOVERY CHANNEL AND BBC SPECIALS.    
The Planetary Science Institute (PSI) is a nonprofit science research and educational organization founded in 1972 with an established record of excellence in solar system exploration, comparative planetology, science education and public outreach. PSI has scientists in 20 states, the District of Columbia, Canada,Ireland, the United Kingdom, France, Switzerland, Latvia, Russia, South Africa, and Australia. In the fiscal year ending January 2014, PSI scientists operated instruments in NASA's Mars Odyssey, Dawn, Mercury MESSENGER, Mars Science Laboratory, and JUNO missions and provided science team support for these and NASA's Cassini, Mars Reconnaissance Orbiter, and Mars Exploration Rovers, as well as Canada's NEO Surveillance and Tracking missions.PSI scientists identified potential locations of a past subsurface biosphere on Mars, determined that a large impact delivered carbon to the giant asteroid Vesta, observed changes to the Martian surface caused by seasonal thawing of carbon dioxide ice, studied the characteristics of the eagerly anticipated comet ISON, and discovered supervolcanoes on Mars.PSI scientists were awarded research grants to conduct diverse research and laboratory studies covering the Moon, Mars, asteroids, comets, interplanetary dust, meteorites, outer planet satellites, solar system dynamics, solar system origins, and other areas.PSI was responsible as part of NASA's Planetary Data System, for archiving all mission data involving asteroids, comets and interplanetary dust and making it available to the general science community and public. PSI scientists engaged in public outreach through art, writing children's books, popular science books, and public lectures and broadcast events such as specials.
Program expenses   $8,494,198.00 
Program revenue   $9,744,263.00 
Program description   The Planetary Science Institute (PSI) is a nonprofit science research and educational organization founded in 1972 with an established record of excellence in solar system exploration, comparative planetology, science education and public outreach. PSI has scientists in 20 states, the District of Columbia, Canada,Ireland, the United Kingdom, France, Switzerland, Latvia, Russia, South Africa, and Australia. In the fiscal year ending January 2014, PSI scientists operated instruments in NASA's Mars Odyssey, Dawn, Mercury MESSENGER, Mars Science Laboratory, and JUNO missions and provided science team support for these and NASA's Cassini, Mars Reconnaissance Orbiter, and Mars Exploration Rovers, as well as Canada's NEO Surveillance and Tracking missions.PSI scientists identified potential locations of a past subsurface biosphere on Mars, determined that a large impact delivered carbon to the giant asteroid Vesta, observed changes to the Martian surface caused by seasonal thawing of carbon dioxide ice, studied the characteristics of the eagerly anticipated comet ISON, and discovered supervolcanoes on Mars.PSI scientists were awarded research grants to conduct diverse research and laboratory studies covering the Moon, Mars, asteroids, comets, interplanetary dust, meteorites, outer planet satellites, solar system dynamics, solar system origins, and other areas.PSI was responsible as part of NASA's Planetary Data System, for archiving all mission data involving asteroids, comets and interplanetary dust and making it available to the general science community and public. PSI scientists engaged in public outreach through art, writing children's books, popular science books, and public lectures and broadcast events such as specials. 
The Planetary Science Institute (PSI) is a nonprofit science research and educational organization with an established record of excellence in solar system exploration, comparative planetology, science education and public outreach. PSI has scientists in 23 states, the District of Columbia, and other locations around the world. In the fiscal year ending January 2016, PSI scientists operated instruments on NASA's Mars Odyssey, Dawn, Mercury MESSENGER, Mars Science Laboratory, and JUNO missions and provided science team support for these and NASA's Cassini, Mars Reconnaissance Orbiter, and Mars Exploration Rovers, as well as ESA's Rosetta mission to comet Churyumov-Gerasimenko.PSI scientists determined the hazard of dust particles from Comet Siding-Springs before its close approach of Mars allowing spacecraft assets of the US and other nations to be positioned out of harms way, they discovered a new part of the solar atmosphere, identified areas of Mars that have been modified by water over much of the planet's history, and participated in the reactivation of the NEOWISE satellite to continue the discovery of near-Earth asteroids.PSI scientists were awarded research grants to conduct diverse research and laboratory studies covering the Moon, Mars, asteroids, comets, interplanetary dust, meteorites, outer planet satellites, solar system dynamics, solar system origins, and other areas.PSI was responsible, as part of NASA's Planetary Data System, for archiving all mission data involving asteroids, comets and interplanetary dust and making it available to the general science community and public. PSI scientists engaged in public outreach through art, writing children's books, popular science books, and public lectures and broadcast events such as Discovery Channel and BBC specials.
Program expenses $10,266,492.00$9,191,721.00  
Program revenue $11,596,707.00$10,594,258.00  
Program description The Planetary Science Institute (PSI) is a nonprofit science research and educational organization with an established record of excellence in solar system exploration, comparative planetology, science education and public outreach. PSI has scientists in 23 states, the District of Columbia, and other locations around the world. In the fiscal year ending January 2016, PSI scientists operated instruments on NASA's Mars Odyssey, Dawn, Mercury MESSENGER, Mars Science Laboratory, and JUNO missions and provided science team support for these and NASA's Cassini, Mars Reconnaissance Orbiter, and Mars Exploration Rovers, as well as ESA's Rosetta mission to comet Churyumov-Gerasimenko.PSI scientists determined the hazard of dust particles from Comet Siding-Springs before its close approach of Mars allowing spacecraft assets of the US and other nations to be positioned out of harms way, they discovered a new part of the solar atmosphere, identified areas of Mars that have been modified by water over much of the planet's history, and participated in the reactivation of the NEOWISE satellite to continue the discovery of near-Earth asteroids.PSI scientists were awarded research grants to conduct diverse research and laboratory studies covering the Moon, Mars, asteroids, comets, interplanetary dust, meteorites, outer planet satellites, solar system dynamics, solar system origins, and other areas.PSI was responsible, as part of NASA's Planetary Data System, for archiving all mission data involving asteroids, comets and interplanetary dust and making it available to the general science community and public. PSI scientists engaged in public outreach through art, writing children's books, popular science books, and public lectures and broadcast events such as Discovery Channel and BBC specials.The Planetary Science Institute (PSI) is a nonprofit science research and educational organization founded in 1972 with an established record of excellence in solar system exploration, comparative planetology, science education and public outreach. PSI has scientists in 23 states, the District of Columbia, and many other locations around the world. In the fiscal year ending January 2015, PSI scientists operated instruments on NASA's Mars Odyssey, Dawn, Mercury MESSENGER, Mars Science Laboratory, and JUNO missions and provided science team support for these and NASA's Cassini, Mars Reconnaissance Orbiter, and Mars Exploration Rovers, as well as ESA's Rosetta mission to comet Churyumov-Gerasimenko.PSI scientists determined the hazard of dust particles from Comet Siding-Springsbefore its close approach of Mars allowing spacecraft assets of the US and othernations to be positioned out of harms way, they discovered a new part of the solar atmosphere, identified areas of Mars that have been modified by water over much of the planet's history, and participated in the reactivation of the NEOWISEsatellite to continue the discovery of near-Earth asteroids.PSI scientists were awarded research grants to conduct diverse research and laboratory studies covering the Moon, Mars, asteroids, comets, interplanetary dust, meteorites, outer planet satellites, solar system dynamics, solar system origins, and other areas.PSI was responsible, as part of NASA's Planetary Data System, for archiving all mission data involving asteroids, comets and interplanetary dust and making it available to the general science community and public. PSI scientists engaged in public outreach through art, writing children's books, popular science books, and public lectures and broadcast events such as Discovery Channel and BBC specials.  
Financial data
Revenue
Total revenue$12,104,463.00$11,666,276.00$10,662,768.00$9,816,547.00 
Revenue from contributions (total)$42,520.00$57,635.00$68,427.00$71,714.00$85,115.00
Revenue from noncash contributions  $4,925.00  
Investment income, current yr$4,158.00$1,443.00$83.00$570.00 
Total revenue from grants, etc., current yr$42,520.00$57,635.00$68,427.00$71,714.00 
Total unrelated business revenue$0.00$0.00$0.00$0.00 
Other revenue, current yr$20,468.00$10,491.00$0.00$4,158.00 
Net unrelated business taxable revenue$0.00$0.00$0.00$0.00 
Program service revenue (total)$12,037,317.00$11,596,707.00$10,594,258.00$9,740,105.00$9,443,805.00
Gross receipts$12,112,300.00$11,677,896.00$10,667,693.00$9,816,547.00 
Sources of contributions
Revenue from fundraising events$42,520.00    
Revenue from all other contributions $57,635.00$68,427.00$71,714.00 
Other types of revenue
Miscellaneous revenue (total)$7,860.00  $4,158.00 
Income from dividends, interest, and similar investments$4,158.00$1,443.00$523.00$570.00 
Net rental income $0.00$0.00$0.00$0.00
Net income from fundraising events$12,608.00$10,491.00   
Expense categories (totals)
Total functional expenses: sum of all$12,020,299.00$11,687,626.00$10,550,240.00$9,800,201.00 
Total functional expenses: program service $10,618,068.00$10,266,492.00$9,191,721.00$8,494,198.00 
Total functional expenses: management and general$1,388,518.00$1,402,201.00$1,321,442.00$1,257,246.00 
Total functional expenses: fundraising$13,713.00$18,933.00$37,077.00$48,757.00 
Fees for services
Legal fees (total)$8,566.00$13,878.00$40,600.00$19,241.00 
Fundraising service fees (total)$0.00$0.00$0.00$0.00 
Assets and liabilities
Total assets$2,932,492.00$2,917,293.00$2,913,855.00$2,790,212.00$1,730,916.00
Total assets, beginning of year$3,030,566.00$2,913,855.00$2,790,212.00$1,730,916.00 
Total liabilities$2,431,943.00$2,503,856.00$2,479,068.00$2,467,953.00$1,425,003.00
Total liabilities, beginning of year$2,614,181.00$2,479,068.00$2,467,953.00$1,425,003.00 
Pledges & accounts receivable, net$788,608.00$858,510.00$1,311,046.00$1,254,123.00 
Unrestricted net assets, end of yr$500,549.00$413,437.00$434,787.00$322,259.00 
Net assets$500,549.00$413,437.00$434,787.00$322,259.00 
Net assets, beginning of year$416,385.00$434,787.00$322,259.00$305,913.00 
Cash: non-interest bearing$748,183.00$640,481.00$32,545.00$3,351.00 
Cash: non-interest bearing, beginning of year$422,723.00$32,545.00$3,351.00$80,898.00 
Loans and other payables to key persons$136,500.00$156,000.00$175,500.00$200,048.00 
Other financial variables
Revenue less expenses$84,164.00-$21,350.00$112,528.00$16,346.00 
Advertising (total)$6,242.00$5,102.00$13,287.00$26,850.00 
Savings & temp cash investment$149,453.00$36,435.00$36,481.00$32,045.00 
Prepaid expenses & deferred charges$29,989.00$6,250.00$41,336.00$6,410.00 
Accounts payable & accrued expenses$1,278,404.00$1,238,999.00$1,162,845.00$833,416.00 
Deferred revenue$45,634.00$47,998.00$29,566.00$55,465.00 
Secured mortgages and notes payable$971,405.00$1,060,859.00$1,111,157.00$1,379,024.00 
Total net assets or fund balances$500,549.00$413,437.00$434,787.00$322,259.00 
Depreciation, depletion, amortization$153,226.00$213,544.00$141,292.00$79,804.00 
Governance and accountability
Number of voting members6987 
Number of independent voting members6987 
Financial sheets auditedTrueTrueTrueTrue 
Accrual accountingTrueTrueTrueTrue 
Tax year start date2016-10-012015-02-012014-02-012013-02-01 
Tax year end date2017-09-012016-01-012015-01-012014-01-012013-01-01
Indicators for schedules (selected)
Outstanding loan to key person or disqualified personTrueTrueTrueTrue 
Metadata about the filing
E-return type: 990, 990EZ, or 990PF990990990990 
Date e-filing submitted2018-09-272017-01-122016-01-142014-10-20 
IRS schema version2016v3.02015v2.12014v5.02013v3.0 
Filing identifier201842189349300804201642599349300244201502589349301300201441559349300129 
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