- Award ID
- 80GSFC19C0027
- Sub-agency / office
- National Aeronautics and Space Administration
- Award amount
- $76,592,109
- Period of performance
- Dec 18, 2018 – Jan 31, 2028
- Place of performance
- PRINCETON, NJ, 085442001, USA
- Competition
- FULL AND OPEN COMPETITION · Set-aside: NO SET ASIDE USED. · 1 offers
- Pricing
- COST NO FEE
- Financial breakdown
- Current value $90,273,208 · Obligated $76,592,109 · Potential value $90,273,208 · Latest action obligation $994,387 · Outlays $48,240,072
INTERSTELLAR MAPPING AND ACCELERATION PROBE (IMAP) IS A WATERSHED MISSION THAT SIMULTANEOUSLY INVESTIGATES THE ACCELERATION OF ENERGETIC PARTICLES AND INTERACTION OF THE SOLAR WIND WITH THE LOCAL INTERSTELLAR MEDIUM. IMAP WILL 1) ADVANCE THE UNDERSTANDING OF THE TEMPORAL AND SPATIAL EVOLUTION OF THE BOUNDARY REGION IN WHICH THE SOLAR WIND AND INTERSTELLAR MEDIUM INTERACT, 2) IDENTIFY AND ADVANCE THE UNDERSTANDING OF PROCESSES RELATED TO THE INTERACTIONS OF THE MAGNETIC FIELD OF THE SUN AND THE LOCAL INTERSTELLAR MEDIUM, 3) IMPROVE THE UNDERSTANDING OF THE COMPOSITION AND PROPERTIES OF THE LOCAL INTERSTELLAR MEDIUM, AND 4) IDENTIFY AND ADVANCE THE UNDERSTANDING OF PARTICLE INJECTION AND ACCELERATION PROCESSES NEAR THE SUN, IN THE HELIOSPHERE AND HELIOSHEATH. IMAP IS BASED ON A COMPLETE AND SYNERGISTIC SET OF OBSERVATIONS. IN SITU AT 1AU, THIS REQUIRES DETAILED OBSERVATIONS OF THE SOLAR WIND ELECTRONS AND IONS SUPRATHERMAL, PICKUP, AND ENERGETIC ION POPULATIONS AND MAGNETIC FIELD. FOR THE OUTER HELIOSPHERE INTERACTION, IT REQUIRES ADVANCED GLOBAL OBSERVATIONS OF THE REMOTE PLASMA AND ENERGETIC IONS OVER A BROAD ENERGY RANGE VIA ENERGETIC NEUTRAL ATOM (ENA) IMAGING, AS WELL AS PRECISE OBSERVATION OF THE NEUTRAL INTERSTELLAR ATOMS PENETRATING THE HELIOSPHERE. COMPLEMENTARY OBSERVATIONS OF INTERSTELLAR DUST AND THE UV GLOW OF INTERSTELLAR NEUTRALS, WHILE NOT REQUIRED FOR THE THRESHOLD MISSION, ADD IMPORTANT CONTEXT AND INSIGHTS TO DEEPEN PHYSICAL UNDERSTANDING OF THE BASELINE MISSION. THESE OBSERVATIONAL NEEDS WILL REQUIRE AN INTEGRATED AND COORDINATED SUITE OF 10 INSTRUMENTS THAT SPAN BOTH THE IN SITU AND REMOTE IMAGING ASPECTS OF THE INVESTIGATION. AS THE PI INSTITUTION PRINCETON UNIVERSITY OVERSEES THE DEVELOPMENT OF IMAP TO ENSURE COST, RISK, AND SCIENCE OBJECTIVES ARE MET IN THE CONTEXT OF AN OVERALL PLAN TO DEVELOP, INTEGRATE, TEST, LAUNCH, COMMISSION, AND OPERATE THE IMAP MISSION. PRINCETON WILL DEVELOP THE SOLAR WIND AND PICKUP ION (SWAPI) INSTRUMENT, MANAGE THE MISSION SCIENCE TEAM, DEVELOP THE INTERSTELLAR DUST EXPERIMENT (IDEX) INSTRUMENT DATA PIPELINE, INITIATE THE FUTURE LEADERS PROGRAM, AND OVERSEE THE MISSION STUDENT COLLABORATION.
Most recent · Modification P00056 · Jul 7, 2026 · $994,387 action obligation · INTERSTELLAR MAPPING AND ACCELERATION PROBE (IMAP) EXPLORES AND MAPS THE HELIOSPHERE USING 10 ADVANCED SCIENTIFIC INSTRUMENTS TO ANALYZE SOLAR WIND PARTICLES, ENERGETIC NEUTRAL ATOMS, AND COSMIC DUST. · 80GSFC19C0027
Modification P00055 · Jun 4, 2026 · $0 action obligation · ADD 52.222-90 IAW EXECUTIVE ORDER 14398. INTERSTELLAR MAPPING AND ACCELERATION PROBE (IMAP) EXPLORES AND MAPS THE HELIOSPHERE USING 10 ADVANCED SCIENTIFIC INSTRUMENTS TO ANALYZE SOLAR WIND PARTICLES, ENERGETIC NEUTRAL ATOMS, AND COSMIC DUST. · 80GSFC19C0027
Modification P00054 · May 12, 2026 · $25,047,256 action obligation · INTERSTELLAR MAPPING AND ACCELERATION PROBE (IMAP) IS A WATERSHED MISSION THAT SIMULTANEOUSLY INVESTIGATES THE ACCELERATION OF ENERGETIC PARTICLES AND INTERACTION OF THE SOLAR WIND WITH THE LOCAL INTERSTELLAR MEDIUM. IMAP WILL 1) ADVANCE THE UNDERSTANDING OF THE TEMPORAL AND SPATIAL EVOLUTION OF THE BOUNDARY REGION IN WHICH THE SOLAR WIND AND INTERSTELLAR MEDIUM INTERACT, 2) IDENTIFY AND ADVANCE THE UNDERSTANDING OF PROCESSES RELATED TO THE INTERACTIONS OF THE MAGNETIC FIELD OF THE SUN AND THE L · 80GSFC19C0027
Modification P00053 · Apr 21, 2026 · $1,143,654 action obligation · INTERSTELLAR MAPPING AND ACCELERATION PROBE (IMAP) IS A WATERSHED MISSION THAT SIMULTANEOUSLY INVESTIGATES THE ACCELERATION OF ENERGETIC PARTICLES AND INTERACTION OF THE SOLAR WIND WITH THE LOCAL INTERSTELLAR MEDIUM. IMAP WILL 1) ADVANCE THE UNDERSTANDING OF THE TEMPORAL AND SPATIAL EVOLUTION OF THE BOUNDARY REGION IN WHICH THE SOLAR WIND AND INTERSTELLAR MEDIUM INTERACT, 2) IDENTIFY AND ADVANCE THE UNDERSTANDING OF PROCESSES RELATED TO THE INTERACTIONS OF THE MAGNETIC FIELD OF THE SUN AND THE L · 80GSFC19C0027
Modification P00052 · Feb 19, 2026 · $337,046 action obligation · INTERSTELLAR MAPPING AND ACCELERATION PROBE (IMAP) IS A WATERSHED MISSION THAT SIMULTANEOUSLY INVESTIGATES THE ACCELERATION OF ENERGETIC PARTICLES AND INTERACTION OF THE SOLAR WIND WITH THE LOCAL INTERSTELLAR MEDIUM. IMAP WILL 1) ADVANCE THE UNDERSTANDING OF THE TEMPORAL AND SPATIAL EVOLUTION OF THE BOUNDARY REGION IN WHICH THE SOLAR WIND AND INTERSTELLAR MEDIUM INTERACT, 2) IDENTIFY AND ADVANCE THE UNDERSTANDING OF PROCESSES RELATED TO THE INTERACTIONS OF THE MAGNETIC FIELD OF THE SUN AND THE L · 80GSFC19C0027
Modification P00051 · Jan 14, 2026 · $6,015,031 action obligation · INTERSTELLAR MAPPING AND ACCELERATION PROBE (IMAP) IS A WATERSHED MISSION THAT SIMULTANEOUSLY INVESTIGATES THE ACCELERATION OF ENERGETIC PARTICLES AND INTERACTION OF THE SOLAR WIND WITH THE LOCAL INTERSTELLAR MEDIUM. IMAP WILL 1) ADVANCE THE UNDERSTANDING OF THE TEMPORAL AND SPATIAL EVOLUTION OF THE BOUNDARY REGION IN WHICH THE SOLAR WIND AND INTERSTELLAR MEDIUM INTERACT, 2) IDENTIFY AND ADVANCE THE UNDERSTANDING OF PROCESSES RELATED TO THE INTERACTIONS OF THE MAGNETIC FIELD OF THE SUN AND THE L · 80GSFC19C0027
Modification P00050 · Dec 17, 2025 · $0 action obligation · INTERSTELLAR MAPPING AND ACCELERATION PROBE (IMAP) IS A WATERSHED MISSION THAT SIMULTANEOUSLY INVESTIGATES THE ACCELERATION OF ENERGETIC PARTICLES AND INTERACTION OF THE SOLAR WIND WITH THE LOCAL INTERSTELLAR MEDIUM. IMAP WILL 1) ADVANCE THE UNDERSTANDING OF THE TEMPORAL AND SPATIAL EVOLUTION OF THE BOUNDARY REGION IN WHICH THE SOLAR WIND AND INTERSTELLAR MEDIUM INTERACT, 2) IDENTIFY AND ADVANCE THE UNDERSTANDING OF PROCESSES RELATED TO THE INTERACTIONS OF THE MAGNETIC FIELD OF THE SUN AND THE L · 80GSFC19C0027
Modification P00049 · Aug 22, 2025 · $1,457,292 action obligation · INTERSTELLAR MAPPING AND ACCELERATION PROBE (IMAP) IS A WATERSHED MISSION THAT SIMULTANEOUSLY INVESTIGATES THE ACCELERATION OF ENERGETIC PARTICLES AND INTERACTION OF THE SOLAR WIND WITH THE LOCAL INTERSTELLAR MEDIUM. IMAP WILL 1) ADVANCE THE UNDERSTANDING OF THE TEMPORAL AND SPATIAL EVOLUTION OF THE BOUNDARY REGION IN WHICH THE SOLAR WIND AND INTERSTELLAR MEDIUM INTERACT, 2) IDENTIFY AND ADVANCE THE UNDERSTANDING OF PROCESSES RELATED TO THE INTERACTIONS OF THE MAGNETIC FIELD OF THE SUN AND THE L · 80GSFC19C0027
Modification P00048 · Apr 30, 2025 · $0 action obligation · REMOVAL/UPDATE OF CLAUSES IAW E.O.'S 14173, 14168, 14148 AND 14057. INTERSTELLAR MAPPING AND ACCELERATION PROBE (IMAP) IS A WATERSHED MISSION THAT SIMULTANEOUSLY INVESTIGATES THE ACCELERATION OF ENERGETIC PARTICLES AND INTERACTION OF THE SOLAR WIND WITH THE LOCAL INTERSTELLAR MEDIUM. IMAP WILL 1) ADVANCE THE UNDERSTANDING OF THE TEMPORAL AND SPATIAL EVOLUTION OF THE BOUNDARY REGION IN WHICH THE SOLAR WIND AND INTERSTELLAR MEDIUM INTERACT, 2) IDENTIFY AND ADVANCE THE UNDERSTANDING OF PROCESSES RE · 80GSFC19C0027
Modification P00047 · Mar 24, 2025 · $0 action obligation · REMOVAL OF CLAUSES/DRDS IAW [EO 14151, 14173 AND 14168] - INTERSTELLAR MAPPING AND ACCELERATION PROBE (IMAP) SUPPORT FOR SMD DIRECTORATE · 80GSFC19C0027
Modification P00046 · Mar 3, 2025 · $-29,909 action obligation · INTERSTELLAR MAPPING AND ACCELERATION PROBE (IMAP) IS A WATERSHED MISSION THAT SIMULTANEOUSLY INVESTIGATES THE ACCELERATION OF ENERGETIC PARTICLES AND INTERACTION OF THE SOLAR WIND WITH THE LOCAL INTERSTELLAR MEDIUM. IMAP WILL 1) ADVANCE THE UNDERSTANDING OF THE TEMPORAL AND SPATIAL EVOLUTION OF THE BOUNDARY REGION IN WHICH THE SOLAR WIND AND INTERSTELLAR MEDIUM INTERACT, 2) IDENTIFY AND ADVANCE THE UNDERSTANDING OF PROCESSES RELATED TO THE INTERACTIONS OF THE MAGNETIC FIELD OF THE SUN AND THE L · 80GSFC19C0027
Modification P00045 · Jan 23, 2025 · $0 action obligation · REMOVAL OF CLAUSES/DRDS IAW EO 14035 - INTERSTELLAR MAPPING AND ACCELERATION PROBE (IMAP) FOR SMD DIRECTORATE · 80GSFC19C0027
Modification P00044 · Sep 26, 2024 · $0 action obligation · INTERSTELLAR MAPPING AND ACCELERATION PROBE (IMAP) IS A WATERSHED MISSION THAT SIMULTANEOUSLY INVESTIGATES THE ACCELERATION OF ENERGETIC PARTICLES AND INTERACTION OF THE SOLAR WIND WITH THE LOCAL INTERSTELLAR MEDIUM. IMAP WILL 1) ADVANCE THE UNDERSTANDING OF THE TEMPORAL AND SPATIAL EVOLUTION OF THE BOUNDARY REGION IN WHICH THE SOLAR WIND AND INTERSTELLAR MEDIUM INTERACT, 2) IDENTIFY AND ADVANCE THE UNDERSTANDING OF PROCESSES RELATED TO THE INTERACTIONS OF THE MAGNETIC FIELD OF THE SUN AND THE L · 80GSFC19C0027
Modification P00043 · Sep 25, 2024 · $0 action obligation · INTERSTELLAR MAPPING AND ACCELERATION PROBE (IMAP) IS A WATERSHED MISSION THAT SIMULTANEOUSLY INVESTIGATES THE ACCELERATION OF ENERGETIC PARTICLES AND INTERACTION OF THE SOLAR WIND WITH THE LOCAL INTERSTELLAR MEDIUM. IMAP WILL 1) ADVANCE THE UNDERSTANDING OF THE TEMPORAL AND SPATIAL EVOLUTION OF THE BOUNDARY REGION IN WHICH THE SOLAR WIND AND INTERSTELLAR MEDIUM INTERACT, 2) IDENTIFY AND ADVANCE THE UNDERSTANDING OF PROCESSES RELATED TO THE INTERACTIONS OF THE MAGNETIC FIELD OF THE SUN AND THE L · 80GSFC19C0027
Modification P00042 · Sep 5, 2024 · $7,300,000 action obligation · INTERSTELLAR MAPPING AND ACCELERATION PROBE (IMAP) IS A WATERSHED MISSION THAT SIMULTANEOUSLY INVESTIGATES THE ACCELERATION OF ENERGETIC PARTICLES AND INTERACTION OF THE SOLAR WIND WITH THE LOCAL INTERSTELLAR MEDIUM. IMAP WILL 1) ADVANCE THE UNDERSTANDING OF THE TEMPORAL AND SPATIAL EVOLUTION OF THE BOUNDARY REGION IN WHICH THE SOLAR WIND AND INTERSTELLAR MEDIUM INTERACT, 2) IDENTIFY AND ADVANCE THE UNDERSTANDING OF PROCESSES RELATED TO THE INTERACTIONS OF THE MAGNETIC FIELD OF THE SUN AND THE L · 80GSFC19C0027
Modification P00041 · Jun 27, 2024 · $0 action obligation · INTERSTELLAR MAPPING AND ACCELERATION PROBE (IMAP) IS A WATERSHED MISSION THAT SIMULTANEOUSLY INVESTIGATES THE ACCELERATION OF ENERGETIC PARTICLES AND INTERACTION OF THE SOLAR WIND WITH THE LOCAL INTERSTELLAR MEDIUM. IMAP WILL 1) ADVANCE THE UNDERSTANDING OF THE TEMPORAL AND SPATIAL EVOLUTION OF THE BOUNDARY REGION IN WHICH THE SOLAR WIND AND INTERSTELLAR MEDIUM INTERACT, 2) IDENTIFY AND ADVANCE THE UNDERSTANDING OF PROCESSES RELATED TO THE INTERACTIONS OF THE MAGNETIC FIELD OF THE SUN AND THE L · 80GSFC19C0027
Modification P00040 · Jun 11, 2024 · $0 action obligation · INTERSTELLAR MAPPING AND ACCELERATION PROBE (IMAP) IS A WATERSHED MISSION THAT SIMULTANEOUSLY INVESTIGATES THE ACCELERATION OF ENERGETIC PARTICLES AND INTERACTION OF THE SOLAR WIND WITH THE LOCAL INTERSTELLAR MEDIUM. IMAP WILL 1) ADVANCE THE UNDERSTANDING OF THE TEMPORAL AND SPATIAL EVOLUTION OF THE BOUNDARY REGION IN WHICH THE SOLAR WIND AND INTERSTELLAR MEDIUM INTERACT, 2) IDENTIFY AND ADVANCE THE UNDERSTANDING OF PROCESSES RELATED TO THE INTERACTIONS OF THE MAGNETIC FIELD OF THE SUN AND THE L · 80GSFC19C0027
Modification P00039 · Apr 22, 2024 · $3,000,000 action obligation · INTERSTELLAR MAPPING AND ACCELERATION PROBE (IMAP) IS A WATERSHED MISSION THAT SIMULTANEOUSLY INVESTIGATES THE ACCELERATION OF ENERGETIC PARTICLES AND INTERACTION OF THE SOLAR WIND WITH THE LOCAL INTERSTELLAR MEDIUM. IMAP WILL 1) ADVANCE THE UNDERSTANDING OF THE TEMPORAL AND SPATIAL EVOLUTION OF THE BOUNDARY REGION IN WHICH THE SOLAR WIND AND INTERSTELLAR MEDIUM INTERACT, 2) IDENTIFY AND ADVANCE THE UNDERSTANDING OF PROCESSES RELATED TO THE INTERACTIONS OF THE MAGNETIC FIELD OF THE SUN AND THE L · 80GSFC19C0027
Modification P00038 · Mar 21, 2024 · $2,000,000 action obligation · INTERSTELLAR MAPPING AND ACCELERATION PROBE (IMAP) IS A WATERSHED MISSION THAT SIMULTANEOUSLY INVESTIGATES THE ACCELERATION OF ENERGETIC PARTICLES AND INTERACTION OF THE SOLAR WIND WITH THE LOCAL INTERSTELLAR MEDIUM. IMAP WILL 1) ADVANCE THE UNDERSTANDING OF THE TEMPORAL AND SPATIAL EVOLUTION OF THE BOUNDARY REGION IN WHICH THE SOLAR WIND AND INTERSTELLAR MEDIUM INTERACT, 2) IDENTIFY AND ADVANCE THE UNDERSTANDING OF PROCESSES RELATED TO THE INTERACTIONS OF THE MAGNETIC FIELD OF THE SUN AND THE L · 80GSFC19C0027
Modification P00037 · Sep 28, 2023 · $0 action obligation · INTERSTELLAR MAPPING AND ACCELERATION PROBE (IMAP) IS A WATERSHED MISSION THAT SIMULTANEOUSLY INVESTIGATES THE ACCELERATION OF ENERGETIC PARTICLES AND INTERACTION OF THE SOLAR WIND WITH THE LOCAL INTERSTELLAR MEDIUM. IMAP WILL 1) ADVANCE THE UNDERSTANDING OF THE TEMPORAL AND SPATIAL EVOLUTION OF THE BOUNDARY REGION IN WHICH THE SOLAR WIND AND INTERSTELLAR MEDIUM INTERACT, 2) IDENTIFY AND ADVANCE THE UNDERSTANDING OF PROCESSES RELATED TO THE INTERACTIONS OF THE MAGNETIC FIELD OF THE SUN AND THE L · 80GSFC19C0027
Modification P00036 · Sep 7, 2023 · $0 action obligation · INTERSTELLAR MAPPING AND ACCELERATION PROBE (IMAP) IS A WATERSHED MISSION THAT SIMULTANEOUSLY INVESTIGATES THE ACCELERATION OF ENERGETIC PARTICLES AND INTERACTION OF THE SOLAR WIND WITH THE LOCAL INTERSTELLAR MEDIUM. IMAP WILL 1) ADVANCE THE UNDERSTANDING OF THE TEMPORAL AND SPATIAL EVOLUTION OF THE BOUNDARY REGION IN WHICH THE SOLAR WIND AND INTERSTELLAR MEDIUM INTERACT, 2) IDENTIFY AND ADVANCE THE UNDERSTANDING OF PROCESSES RELATED TO THE INTERACTIONS OF THE MAGNETIC FIELD OF THE SUN AND THE L · 80GSFC19C0027
Modification P00035 · Sep 5, 2023 · $2,018,550 action obligation · INTERSTELLAR MAPPING AND ACCELERATION PROBE (IMAP) IS A WATERSHED MISSION THAT SIMULTANEOUSLY INVESTIGATES THE ACCELERATION OF ENERGETIC PARTICLES AND INTERACTION OF THE SOLAR WIND WITH THE LOCAL INTERSTELLAR MEDIUM. IMAP WILL 1) ADVANCE THE UNDERSTANDING OF THE TEMPORAL AND SPATIAL EVOLUTION OF THE BOUNDARY REGION IN WHICH THE SOLAR WIND AND INTERSTELLAR MEDIUM INTERACT, 2) IDENTIFY AND ADVANCE THE UNDERSTANDING OF PROCESSES RELATED TO THE INTERACTIONS OF THE MAGNETIC FIELD OF THE SUN AND THE L · 80GSFC19C0027
Modification P00034 · Aug 21, 2023 · $-755,550 action obligation · INTERSTELLAR MAPPING AND ACCELERATION PROBE (IMAP) IS A WATERSHED MISSION THAT SIMULTANEOUSLY INVESTIGATES THE ACCELERATION OF ENERGETIC PARTICLES AND INTERACTION OF THE SOLAR WIND WITH THE LOCAL INTERSTELLAR MEDIUM. IMAP WILL 1) ADVANCE THE UNDERSTANDING OF THE TEMPORAL AND SPATIAL EVOLUTION OF THE BOUNDARY REGION IN WHICH THE SOLAR WIND AND INTERSTELLAR MEDIUM INTERACT, 2) IDENTIFY AND ADVANCE THE UNDERSTANDING OF PROCESSES RELATED TO THE INTERACTIONS OF THE MAGNETIC FIELD OF THE SUN AND THE L · 80GSFC19C0027
Modification P00033 · Jul 25, 2023 · $200,000 action obligation · INTERSTELLAR MAPPING AND ACCELERATION PROBE (IMAP) IS A WATERSHED MISSION THAT SIMULTANEOUSLY INVESTIGATES THE ACCELERATION OF ENERGETIC PARTICLES AND INTERACTION OF THE SOLAR WIND WITH THE LOCAL INTERSTELLAR MEDIUM. IMAP WILL 1) ADVANCE THE UNDERSTANDING OF THE TEMPORAL AND SPATIAL EVOLUTION OF THE BOUNDARY REGION IN WHICH THE SOLAR WIND AND INTERSTELLAR MEDIUM INTERACT, 2) IDENTIFY AND ADVANCE THE UNDERSTANDING OF PROCESSES RELATED TO THE INTERACTIONS OF THE MAGNETIC FIELD OF THE SUN AND THE L · 80GSFC19C0027
Modification P00032 · Jun 14, 2023 · $0 action obligation · INTERSTELLAR MAPPING AND ACCELERATION PROBE (IMAP) IS A WATERSHED MISSION THAT SIMULTANEOUSLY INVESTIGATES THE ACCELERATION OF ENERGETIC PARTICLES AND INTERACTION OF THE SOLAR WIND WITH THE LOCAL INTERSTELLAR MEDIUM. IMAP WILL 1) ADVANCE THE UNDERSTANDING OF THE TEMPORAL AND SPATIAL EVOLUTION OF THE BOUNDARY REGION IN WHICH THE SOLAR WIND AND INTERSTELLAR MEDIUM INTERACT, 2) IDENTIFY AND ADVANCE THE UNDERSTANDING OF PROCESSES RELATED TO THE INTERACTIONS OF THE MAGNETIC FIELD OF THE SUN AND THE L · 80GSFC19C0027