Explorer 1 [NASA] |
IXPE (SMEX 14) [NASA] |
Explorer | Name | Date | S | LS | Launch Vehicle | Mass (kg) | Orbit | Remarks | |
---|---|---|---|---|---|---|---|---|---|
1958 | |||||||||
Explorer 1 | Explorer 1 | 01.02.1958 | CC | Juno-1 | 14 kg | 359 km × 2542 km, 33.18° | |||
Explorer 2 | Explorer 2 | 05.03.1958 | F | CC | Juno-1 | 14 kg | - | ||
Explorer 3 | Explorer 3 | 26.03.1958 | CC | Juno-1 | 14 kg | 195 km × 2810 km, 33.38° | |||
Explorer 4 | Explorer 4 | 26.07.1958 | CC | Juno-1 | 17 kg | 258 km × 2233 km, 50.40° | |||
Explorer 5 | Explorer 5 | 24.08.1958 | F | CC | Juno-1 | 17 kg | |||
1959 | |||||||||
Explorer (6) | S 1 | 16.07.1959 | F | CC | Juno-2 | 41 kg | - | ||
Explorer 6 | S 2 | 07.08.1959 | CC | Thor-DM18 Able-3 | 64 kg | 250 km × 42327 km, 46.95° | |||
Explorer 7 | S 1a | 13.10.1959 | CC | Juno-2 | 41 kg | 560 km × 1087 km, 50.27° | |||
1960 | |||||||||
Explorer (8) | S 46 | 23.03.1960 | F | CC | Juno-2 | 41 kg | - | ||
Explorer 8 | S 30 | 03.11.1960 | CC | Juno-2 | 41 kg | 416 km × 2286 km, 49.98° | |||
Explorer (9) | S 56 | 04.12.1960 | F | WI | Scout-X1 | 36 kg | - | ||
1961 | |||||||||
Explorer 9 | S 56a / AD 1 | 16.02.1961 | WI | Scout-X1 | 36 kg | 635 km × 2581 km, 38.86° | |||
Explorer (10) | S 45 | 25.02.1961 | F | CC | Juno-2 | 34 kg | - | ||
Explorer 10 | P 14 | 25.03.1961 | CC | Delta | 35 kg | 221 km × 181000 km, 33.00° | |||
Explorer 11 | S 15 | 27.04.1961 | CC | Juno-2 | 43 kg | 497 km × 1777 km, 28.76° | |||
Explorer (12) | S 45a | 24.05.1961 | F | CC | Juno-2 | 41 kg | - | ||
Explorer (12) | S 55 | 30.06.1961 | F | WI | Scout-X1 | 85 kg | - | ||
Explorer 12 | EPE A / S 3 | 16.08.1961 | CC | Delta | 38 kg | 457 km × 77170 km, 33.43° | |||
Explorer 13 | S 55a | 25.08.1961 | P | WI | Scout-X1 | 85 kg | 125 km × 1164 km, 37.70° | ||
Explorer 14 | EPE B / S 3a | 02.10.1961 | CC | Delta-A | 40 kg | 915 km × 96959 km, 33.60° | |||
1962 | |||||||||
Explorer 15 | EPE C / S 3b | 27.10.1962 | CC | Delta-A | 45 kg | 312 km × 17619 km, 17.97° | |||
Explorer 16 | S 55b | 16.12.1962 | WI | Scout-X3 | 101 kg | 759 km × 1170 km, 51.99° | |||
1963 | |||||||||
Explorer 17 | AE A / S 6 | 03.04.1963 | CC | Delta-B | 184 kg | 246 km × 914 km, 57.61° | |||
Explorer 18 | IMP A / S 74 (IMP 1) | 27.11.1963 | CC | Delta-C | 62 kg | 2072 km × 194080 km, 35.29° | |||
Explorer 19 | AD A / S 56b | 19.12.1963 | Va | Scout-X4 | 7 kg | 588 km × 2389 km, 78.60° | |||
1964 | |||||||||
Explorer (20) | BE A / S 66 | 19.03.1964 | F | CC | Delta-B | 120 kg | - | ||
Explorer 20 | IE A / S 48 | 25.08.1964 | Va | Scout-X4 | 44 kg | 869 km × 1018 km, 79.90° | |||
Explorer 21 | IMP B (IMP 2) | 04.10.1964 | CC | Delta-C | 62 kg | 666 km × 94526 km, 33.82° | |||
Explorer 22 | BE B / S 66a | 10.10.1964 | Va | Scout-X4 | 53 kg | 886 km × 1079 km, 79.69° | |||
Explorer 23 | S 55c | 06.11.1964 | WI | Scout-X4 | 134 kg | 464 km × 978 km, 51.96° | |||
Explorer 24 | AD B / S 56c | 21.11.1964 | Va | Scout-X4 | 9 kg | 542 km × 2480 km, 81.35° | with IE B | ||
Explorer 25 | IE B / Injun 4 | 40 kg | 528 km × 2492 km, 81.35° | with AD B | |||||
Explorer 26 | EPE D | 21.12.1964 | CC | Delta-C | 46 kg | 310 km × 26202 km, 20.14° | |||
1965 | |||||||||
Explorer 27 | BE C | 29.04.1965 | WI | Scout-X4 | 60 kg | 936 km × 1316 km, 41.18° | |||
Explorer 28 | IMP C (IMP 3) | 29.05.1965 | CC | Delta-C | 59 kg | 195 km × 264252 km, 33.86° | |||
Explorer 29 | GEOS A | 06.11.1965 | CC | Delta-E | 175 kg | 1117 km × 2273 km, 59.38° | |||
Explorer 30 | SE A / Solrad 8 / IQSY | 19.11.1965 | WI | Scout-X4 | 57 kg | 693 km × 898 km, 59.71° | |||
Explorer 31 | DME A | 29.11.1965 | Va | Thor-DM21 Agena-B | 98 kg | 505 km × 2983 km, 79.82° | with Alouette 2 | ||
1966 | |||||||||
Explorer 32 | AE B | 25.05.1966 | CC | Delta-C1 | 225 kg | 283 km × 2718 km, 64.67° | |||
Explorer 33 | IMP D (AIMP 1) | 01.07.1966 | CC | Delta-E1 | 79527 km × 477380 km, 21.66° | lunar orbit planned | |||
1967 | |||||||||
Explorer 34 | IMP F (IMP 4) | 24.05.1967 | Va | Delta-E1 | 74 kg | 242 km × 214382 km, 67.17° | |||
Explorer 35 | IMP E (AIMP 2) | 19.07.1967 | CC | Delta-E1 | lunar orbit | ||||
1968 | |||||||||
Explorer 36 | GEOS B | 11.01.1968 | Va | Delta-E1 | 209 kg | 1084 km × 1573 km, 105.79° | |||
Explorer 37 | SE B / Solrad 9 | 05.03.1968 | WI | Scout-B | 90 kg | 509 km × 882 km, 59.42° | |||
Explorer 38 | RAE A | 04.07.1968 | Va | Delta-J | 188 kg | 5840 km × 5862 km, 120.84° | |||
Explorer 39 | AD C | 08.08.1968 | Va | Scout-X4 | 9 kg | 684 km × 2514 km, 80.69° | with IE C | ||
Explorer 40 | IE C / Injun 5 | 71 kg | 679 km × 2531 km, 80.66° | with AD C | |||||
1969 | |||||||||
Explorer 41 | IMP G (IMP 5) | 21.06.1969 | Va | Delta-E1 | 79 kg | 640 km × 176219 km, 87.13° | |||
1970 | |||||||||
Explorer 42 | SAS A / Uhuru | 12.12.1970 | SM | Scout-B | 163 kg | 534 km × 573 km, 3.03° | |||
1971 | |||||||||
Explorer 43 | IMP I (IMP 6) | 13.03.1971 | CC | Delta-M6 | 1569 km × 203825 km, 30.20° | ||||
Explorer 44 | SE C / Solrad 10 | 08.07.1971 | WI | Scout-B | 118 kg | 435 km × 631 km, 51.05° | |||
Explorer 45 | SSS A, S-Cubed A | 15.11.1971 | SM | Scout-B | 52 kg | 234 km × 26780 km, 3.56° | |||
1972 | |||||||||
Explorer 46 | MTS A | 13.08.1972 | WI | Scout-D1 | 90 kg | 494 km × 810 km, 37.70° | |||
Explorer 47 | IMP H (IMP 7) | 23.09.1972 | CC | Delta-1604 | 390 kg | 201100 km × 235600 km, 17.20° | |||
Explorer 48 | SAS B | 15.11.1972 | SM | Scout-D1 | 186 kg | 444 km × 632 km, 1.90° | |||
1973 | |||||||||
Explorer 49 | RAE B | 10.06.1973 | CC | Delta-1913 | 1053 km × 1064 km, 55.7°, lunar orbit | lunar orbit | |||
Explorer 50 | IMP J (IMP 8) | 26.10.1973 | CC | Delta-1604 | 81 kg | 215092 km × 215092 km, 19.70° | |||
Explorer 51 | AE C | 16.12.1973 | Va | Delta-1900 | 658 kg | 152 km × 4074 km, 68.07° | |||
1974 | |||||||||
Explorer 52 | IE D / Injun 6 / Hawkeye | 03.06.1974 | Va | Scout-E1 | 27 kg | 4431 km × 122973 km, 88.33° | |||
1975 | |||||||||
Explorer 53 | SAS C | 07.05.1975 | SM | Scout-F1 | 195 kg | 502 km × 509 km, 3.00° | |||
Explorer 54 | AE D | 06.10.1975 | Va | Delta-2910 | 676 kg | 135 km × 3569 km, 90.08° | |||
Explorer 55 | AE E | 20.11.1975 | CC | Delta-2910 | 721 kg | 142 km × 2819 km, 19.68° | |||
Explorer (56) | DAD A | 06.12.1975 | F | Va | Scout-F1 | 40 kg | -- | with DAD B | |
Explorer (57) | DAD B | 9 kg | - | with DAD A | |||||
1976 | |||||||||
1977 | |||||||||
Explorer 56 | ISEE 1 | 22.10.1977 | CC | Delta-2914 | 340 kg | 763 km × 137531 km, 30.38° | with ISEE 2 (not part of Explorer program) | ||
1978 | |||||||||
Explorer 57 | IUE | 26.01.1978 | CC | Delta-2914 | 1479 kg 669 kg |
30285 km × 41296 km, 34.3° | |||
Explorer 58 | HCMM (AEM 1) | 26.04.1978 | Va | Scout-D1 | 134 kg | 610 km × 633 km, 97.6° | |||
Explorer 59 | ISEE 3 → ICE | 12.08.1978 | CC | Delta-2914 | 469 kg | Sun-Earth Lagrange point L1 halo orbit, later heliocentric | |||
1979 | |||||||||
Explorer 60 | SAGE (AEM 2) | 18.02.1979 | WI | Scout-D1 | 149 kg | 547 km × 659 km, 54.93° | |||
Explorer 61 | Magsat (AEM 3) | 30.10.1979 | Va | Scout-G1 | 181 kg | 347 km × 541 km, 96.7° | |||
1980 | |||||||||
1981 | |||||||||
Explorer 62 | DE 1 | 03.08.1981 | P | Va | Delta-3913 | 400 kg | 558 km × 23300 km, 89.92° | with DE 2 | |
Explorer 63 | DE 2 | 400 kg | 299 km × 990 km, 89.99° | with DE 1 | |||||
Explorer 64 | SME | 06.10.1981 | Va | Delta-2310 | 437 kg | 481 km × 486 km, 97.69° | with OSCAR 9 | ||
1982 | |||||||||
1983 | |||||||||
1984 | |||||||||
Explorer 65 | CCE (AMPTE 1) | 16.08.1984 | CC | Delta-3924 | 240 kg | 1108 km × 49675 km, 4.84° | with IRM, UKS | ||
1985 | |||||||||
1986 | |||||||||
1987 | |||||||||
1988 | |||||||||
1989 | |||||||||
Explorer 66 | COBE | 18.11.1989 | Va | Delta-5920 | 2250 kg | 872 km × 886 km, 99.0° | |||
1990 | |||||||||
1991 | |||||||||
1992 | |||||||||
Explorer 67 | EUVE | 07.06.1992 | CC | Delta-6920-10 | 3256 kg | 510 km × 524 km, 28.4° | |||
Explorer 68 | SAMPEX (SMEX 1) | 03.02.1992 | Va | Scout-G1 | 158 kg | 514 km × 690 km, 81.67° | |||
1993 | |||||||||
1994 | |||||||||
1995 | |||||||||
Explorer 69 | XTE (RXTE) | 30.12.1995 | CC | Delta-7920-10 | 3045 kg | 564 km × 583 km, 22.98° | |||
1996 | |||||||||
Explorer 70 | FAST (SMEX 2) | 21.08.1996 | Va | Pegasus-XL | 180 kg | 351 km × 4164 km, 83.00° | |||
1997 | |||||||||
Explorer 71 | ACE | 05.08.1997 | CC | Delta-7920-8 | 765 kg | Sun-Earth Lagrange point L1 halo orbit | |||
1998 | |||||||||
Explorer 72 | SNOE (STEDI 1) | 26.02.1998 | Va | Pegasus-XL | 132 kg | 529 km × 581 km, 97.7° | with Batsat | ||
Explorer 73 | TRACE (SMEX 4) | 02.04.1998 | Va | Pegasus-XL | 225 kg | 597 km × 642 km, 97.80° | |||
Explorer 74 | SWAS (SMEX 3) | 06.12.1998 | WI | Pegasus-XL | 283 kg | 638 km × 650 km, 69.90° | |||
1999 | |||||||||
Explorer 75 | WIRE (SMEX 5) | 05.03.1999 | Va | Pegasus-XL | 275 kg | 539 km × 592 km, 97.53° | Mission failure | ||
Explorer 76 | TERRIERS (STEDI 2) | 18.05.1999 | Va | Pegasus-XL HAPS | 121 kg | 540 km × 553 km, 97.7° | with MUBLCOM | ||
Explorer 77 | FUSE (MIDEX 0) | 24.06.1999 | CC | Delta-7320-10C | 1360 kg | 753 km × 770 km, 24.98° | |||
2000 | |||||||||
Explorer 78 | IMAGE (MIDEX 1) | 25.03.2000 | Va | Delta-7326 | 494 kg | 1000 km × 45922 km, 90° | |||
Explorer 79 (MoO) | HETE 2 | 09.10.2000 | Kw | Pegasus-H | 124 kg | 598 km × 641 km, 1.9° | |||
2001 | |||||||||
Explorer 80 | MAP (WMAP, MIDEX 2) | 30.06.2001 | CC | Delta-7425-10C | 800 kg | Sun-Earth Lagrange point L2 halo orbit | |||
2002 | |||||||||
Explorer 81 | HESSI (RHESSI, SMEX 6) | 05.02.2002 | CC | Pegasus-XL | 293 kg | 587 km × 600 km, 38° | |||
(Int) | INTEGRAL | 17.10.2002 | Ba | Proton-K Blok-DM-2 | 4100 kg | 10.000 km × 153.000 km, 51.6° | Participation on INTEGRAL | ||
2003 | |||||||||
Explorer 82 | CHIPSat (UNEX 1) | 13.01.2003 | Va | Delta-7320-10C | 60 kg | 586 km × 594 km, 94.0° | with ICESAT | ||
Explorer 83 | GALEX (SMEX 7) | 28.04.2003 | CC | Pegasus-XL | 312 kg | 690 km × 702 km, 29° | |||
2004 | |||||||||
Explorer 84 | Swift (MIDEX 3, Neil Gehrels Swift Observatory) | 20.11.2004 | CC | Delta-7320-10C | 1331 kg | 600 km × 600 km, 19° | |||
2005 | |||||||||
(MoO) | Astro E2 | 10.07.2005 | Ka | M-5 (2) | 1700 kg | 570 km × 570 km, 31.3° | Instrument on Astro E2 | ||
2006 | |||||||||
(MoO) | TWINS A | 28.06.2006 | Va | Delta-4M+(4,2) | 1111 km × 37594, 62.4° | Payload on Trumpet 4 | |||
2007 | |||||||||
Explorer 85 | THEMIS P1 (MIDEX 5A) → ARTEMIS P1 | 17.02.2007 | CC | Delta-7925-10C | 100 kg | 1.6 Re × 34.0 Re, 3.9°; later lunar orbit | with THEMIS P2, P3, P4, P5 | ||
Explorer 86 | THEMIS P2 (MIDEX 5B) → ARTEMIS P2 | 100 kg | 1.2 Re x 19.9 Re, 9.8°; later lunar orbit | with THEMIS P1, P3, P4, P5 | |||||
Explorer 87 | THEMIS P3 (MIDEX 5C) | 100 kg | 1.6 Re × 11.6 Re, 7° | with THEMIS P1, P2, P4, P5 | |||||
Explorer 88 | THEMIS P4 (MIDEX 5D) | 100 kg | 1.6 Re × 11.6 Re, 7° | with THEMIS P1, P2, P3, P5 | |||||
Explorer 89 | THEMIS P5 (MIDEX 5E) | 100 kg | 1.3 Re × 13.1 Re, 12° | with THEMIS P1, P2, P3, P4 | |||||
Explorer 90 | AIM (SMEX 9) | 25.04.2007 | Va | Pegasus-XL | 200 kg | 585 km × 600 km, 97.79° | |||
2008 | |||||||||
(MoO) | TWINS B | 13.03.2008 | Va | Atlas-5(411)¹ | 1112 km × 37580 km, 63.6° | Payload on Trumpet 5 | |||
(MoO) | CINDI | 16.04.2008 | Kw | Pegasus-XL | 395 kg | 400 km × 850 km, 13° | Instruments on C/NOFS | ||
Explorer 91 | IBEX (SMEX 10) | 19.10.2008 | Kw | Pegasus-XL [Star-27] | 105 kg | 12260 km × 304347 km, 21.38° | |||
2009 | |||||||||
Explorer 92 | WISE (MIDEX 6) (ex NGSS) → NEOWISE | 14.12.2009 | Va | Delta-7320-10C | 532 kg | 526 km × 530 km, 97.50° | |||
2010 | |||||||||
2011 | |||||||||
2012 | |||||||||
Explorer 93 | NuSTAR (SMEX 11) | 13.06.2012 | Kw | Pegasus-XL | 360 kg | 525 km × 525 km, 6° | |||
2013 | |||||||||
Explorer 94 | IRIS (SMEX 12) | 28.06.2013 | Va | Pegasus-XL | 236 kg | 621 km × 662 km, 97.90° | |||
2014 | |||||||||
2015 | |||||||||
2016 | |||||||||
(MoO) | NeXT | 07.02.2016 | Ta | H-2A-202 | 2700 kg | 565 km × 580 km, 31.01° | Instrument on Astro H | ||
2017 | |||||||||
(MoO) | NICER | 03.05.2017 | CC | Falcon-9 v1.2 | 372 kg | 400 km × 400 km, 51.6° | Instrument on ISS | ||
2018 | |||||||||
(MoO) | GOLD | 25.01.2018 | Ko | Ariane-5ECA | 4423 kg | 35783 km × 35792 km, 0.02° | Instrument on SES 14 | ||
Explorer 95 | TESS (MIDEX 7) | 18.04.2018 | CC | Falcon-9 v1.2 | 365 kg | 17 Re × 59 Re | |||
2019 | |||||||||
Explorer 96 | ICON (MIDEX 8) | 11.10.2019 | CC | Pegasus-XL | 288 kg | 575 km × 575 km, 27° | |||
2020 | |||||||||
2021 | |||||||||
Explorer 97 | IXPE (SMEX 14) | 09.12.2021 | CCK | Falcon-9 v1.2 (Block 5) | 330 kg | 588 km × 603 km, 0.2° | |||
2022 | |||||||||
2023 | |||||||||
(Int) | Euclid | 01.07.2023 | CC | Falcon-9 v1.2 (Block 5) | 2160 kg | Sun-Earth Lagrange point L2 halo orbit | Participation in Euclid | ||
(MoO) | Resolve | 06.09.2023 | Ta | H-2A-202 | 2700 kg | 567 km × 580 km, 31.00° | Instrument on XRISM | ||
(MoO) | AWE | 10.11.2023 | CC | Falcon-9 v1.2 (Block 5) | 400 km × 400 km, 51.6° | Instrument on ISS | |||
|
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Explorer | Name | Date | S | LS | Launch Vehicle | Mass (kg) | Orbit | Remarks | |
2024 | |||||||||
(MoO) | EZIE 1 | xx.xx.2024 | ? | ? | |||||
(MoO) | EZIE 2 | ||||||||
(MoO) | EZIE 3 | ||||||||
(MoO) | SunRISE 1 | xx.xx.2024 | CC | Vulcan Centaur VCxx | |||||
(MoO) | SunRISE 2 | ||||||||
(MoO) | SunRISE 3 | ||||||||
(MoO) | SunRISE 4 | ||||||||
(MoO) | SunRISE 5 | ||||||||
(MoO) | SunRISE 6 | ||||||||
2025 | |||||||||
SPHEREx (MIDEX 9) | xx.04.2025 | Va | Falcon-9 v1.2 (Block 5) | ~200 | |||||
PUNCH-NFI (SMEX 15) | 40 kg | ||||||||
PUNCH-WFI 1 (SMEX 15) | 40 kg | ||||||||
PUNCH-WFI 2 (SMEX 15) | 40 kg | ||||||||
PUNCH-WFI 3 (SMEX 15) | 40 kg | ||||||||
TRACERS A (SMEX 16A) | xx.xx.2025 | ? | Falcon-9 v1.2 (Block 5) | ||||||
TRACERS B (SMEX 16B) | |||||||||
COSI (SMEX 17) | xx.xx.2025 | ? | ? | ||||||
2026 | |||||||||
(MoO) | EUVST | 2026 | Ka | Epsilon-S | Instrument on Solar C | ||||
2027 | |||||||||
MUSE (MIDEX 10) | xx.xx.2027 | ? | ? | ||||||
2028 | |||||||||
HelioSwarm Hub (MIDEX 11A) | xx.xx.202x | ? | ? | ||||||
HelioSwarm Node 1 (MIDEX 11B) | |||||||||
HelioSwarm Node 2 (MIDEX 11C) | |||||||||
HelioSwarm Node 3 (MIDEX 11D) | |||||||||
HelioSwarm Node 4 (MIDEX 11E) | |||||||||
HelioSwarm Node 5 (MIDEX 11F) | |||||||||
HelioSwarm Node 6 (MIDEX 11G) | |||||||||
HelioSwarm Node 7 (MIDEX 11H) | |||||||||
HelioSwarm Node 8 (MIDEX 11I) | |||||||||
2029 | |||||||||
(MoO) | CASE | 2029 | Ko | Ariane-62 (baselined) | Instrument on ARIEL | ||||
2030 | |||||||||
UVEX (MIDEX 12) | xx.xx.2030 | ? | ? | ||||||
TBD | |||||||||
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|||||||||
Explorer | Name | Date | S | LS | Launch Vehicle | Mass (kg) | Orbit | Remarks | |
Owl 1 | cancelled 1966 ? | Va | Scout-A | 70 kg | |||||
Owl 2 | cancelled 1966 ? | Va | Scout-A | 70 kg | |||||
MSS A | cancelled 197x ? | WI | Scout-B ? | 36 kg | |||||
CATSAT (STEDI 3) | cancelled | Va | Delta-7320-10C | 109 kg | with ICESAT | ||||
IMEX (UNEX 2) | cancelled | CC | Titan-402B IUS | 159 kg | with DSP 22 | ||||
FAME (MIDEX 4) | cancelled | CC | Delta-7425-10C | ||||||
SPIDR (SMEX 8) | cancelled 2003 | Va | Pegasus-XL [Star-26C] | ||||||
GEMS (SMEX 13) | cancelled 2012 | CC | Pegasus-XL * | 267 kg |
* = Launch vehicle baselined