![]() Explorer 1 [NASA] |
![]() IXPE (SMEX 14) [NASA] |
Explorer | Name | Date | S | LS | Launch Vehicle | Mass (kg) | Remarks | |
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1958 | ||||||||
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1 | Explorer 1 | 01.02.1958 | CC | Juno-1 | 14 | ||
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2 | Explorer 2 | 05.03.1958 | F | CC | Juno-1 | 14 | |
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3 | Explorer 3 | 26.03.1958 | CC | Juno-1 | 14 | ||
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4 | Explorer 4 | 26.07.1958 | CC | Juno-1 | 17 | ||
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5 | Explorer 5 | 24.08.1958 | F | CC | Juno-1 | 17 | |
1959 | ||||||||
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(6) | S 1 | 16.07.1959 | F | CC | Juno-2 | 41 | |
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6 | S 2 | 07.08.1959 | CC | Thor-DM18 Able-3 | 64 | ||
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7 | S 1a | 13.10.1959 | CC | Juno-2 | 41 | ||
1960 | ||||||||
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(8) | S 46 | 23.03.1960 | F | CC | Juno-2 | 41 | |
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8 | S 30 | 03.11.1960 | CC | Juno-2 | 41 | ||
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(9) | S 56 | 04.12.1960 | F | WI | Scout-X1 | 36 | |
1961 | ||||||||
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9 | S 56a / AD 1 | 16.02.1961 | WI | Scout-X1 | 36 | ||
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(10) | S 45 | 25.02.1961 | F | CC | Juno-2 | 34 | |
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10 | P 14 | 25.03.1961 | CC | Delta | 35 | ||
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11 | S 15 | 27.04.1961 | CC | Juno-2 | 43 | ||
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(12) | S 45a | 24.05.1961 | F | CC | Juno-2 | 41 | |
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(12) | S 55 | 30.06.1961 | F | WI | Scout-X1 | 85 | |
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12 | EPE A / S 3 | 16.08.1961 | CC | Delta | 38 | ||
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13 | S 55a | 25.08.1961 | P | WI | Scout-X1 | 85 | |
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14 | EPE B / S 3a | 02.10.1961 | CC | Delta-A | 40 | ||
1962 | ||||||||
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15 | EPE C / S 3b | 27.10.1962 | CC | Delta-A | 45 | ||
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16 | S 55b | 16.12.1962 | WI | Scout-X3 | 101 | ||
1963 | ||||||||
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17 | AE A / S 6 | 03.04.1963 | CC | Delta-B | 184 | ||
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18 | IMP A / S 74 (IMP 1) | 27.11.1963 | CC | Delta-C | 62 | ||
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19 | AD A / S 56b | 19.12.1963 | Va | Scout-X4 | 7 | ||
1964 | ||||||||
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(20) | BE A / S 66 | 19.03.1964 | F | CC | Delta-B | 120 | |
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20 | IE A / S 48 | 25.08.1964 | Va | Scout-X4 | 44 | ||
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21 | IMP B (IMP 2) | 04.10.1964 | CC | Delta-C | 62 | ||
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22 | BE B / S 66a | 10.10.1964 | Va | Scout-X4 | 53 | ||
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23 | S 55c | 06.11.1964 | WI | Scout-X4 | 134 | ||
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24 | AD B / S 56c | 21.11.1964 | Va | Scout-X4 | 9 | with IE B | |
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25 | IE B / Injun 4 | 40 | with AD B | ||||
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26 | EPE D | 21.12.1964 | CC | Delta-C | 46 | ||
1965 | ||||||||
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27 | BE C | 29.04.1965 | WI | Scout-X4 | 60 | ||
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28 | IMP C (IMP 3) | 29.05.1965 | CC | Delta-C | 59 | ||
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29 | GEOS A | 06.11.1965 | CC | Delta-E | 175 | ||
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30 | SE A / Solrad 8 / IQSY | 19.11.1965 | WI | Scout-X4 | 57 | ||
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31 | DME A | 29.11.1965 | Va | Thor-DM21 Agena-B | 98 | with Alouette 2 | |
1966 | ||||||||
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32 | AE B | 25.05.1966 | CC | Delta-C1 | 225 | ||
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33 | IMP D (AIMP 1) | 01.07.1966 | CC | Delta-E1 | |||
1967 | ||||||||
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34 | IMP F (IMP 4) | 24.05.1967 | Va | Delta-E1 | 74 | ||
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35 | IMP E (AIMP 2) | 19.07.1967 | CC | Delta-E1 | |||
1968 | ||||||||
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36 | GEOS B | 11.01.1968 | Va | Delta-E1 | 209 | ||
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37 | SE B / Solrad 9 | 05.03.1968 | WI | Scout-B | 90 | ||
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38 | RAE A | 04.07.1968 | Va | Delta-J | 188 | ||
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39 | AD C | 08.08.1968 | Va | Scout-X4 | 9 | with IE C | |
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40 | IE C / Injun 5 | 71 | with AD C | ||||
1969 | ||||||||
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41 | IMP G (IMP 5) | 21.06.1969 | Va | Delta-E1 | 79 | ||
1970 | ||||||||
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42 | SAS A / Uhuru | 12.12.1970 | SM | Scout-B | 163 | ||
1971 | ||||||||
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43 | IMP I (IMP 6) | 13.03.1971 | CC | Delta-M6 | |||
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44 | SE C / Solrad 10 | 08.07.1971 | WI | Scout-B | 118 | ||
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45 | SSS A, S-Cubed A | 15.11.1971 | SM | Scout-B | 52 | ||
1972 | ||||||||
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46 | MTS A | 13.08.1972 | WI | Scout-D1 | 90 | ||
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47 | IMP H (IMP 7) | 23.09.1972 | CC | Delta-1604 | 390 | ||
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48 | SAS B | 15.11.1972 | SM | Scout-D1 | 186 | ||
1973 | ||||||||
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49 | RAE B | 10.06.1973 | CC | Delta-1913 | |||
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50 | IMP J (IMP 8) | 26.10.1973 | CC | Delta-1604 | 81 | ||
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51 | AE C | 16.12.1973 | Va | Delta-1900 | 658 | ||
1974 | ||||||||
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52 | IE D / Injun 6 / Hawkeye | 03.06.1974 | Va | Scout-E1 | 27 | ||
1975 | ||||||||
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53 | SAS C | 07.05.1975 | SM | Scout-F1 | 195 | ||
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54 | AE D | 06.10.1975 | Va | Delta-2910 | 676 | ||
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55 | AE E | 20.11.1975 | CC | Delta-2910 | 721 | ||
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(56) | DAD A | 06.12.1975 | F | Va | Scout-F1 | 40 | with DAD B |
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(57) | DAD B | 9 | with DAD A | ||||
1976 | ||||||||
1977 | ||||||||
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56 | ISEE 1 | 22.10.1977 | CC | Delta-2914 | 340 | with ISEE 2 | |
1978 | ||||||||
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57 | IUE | 26.01.1978 | CC | Delta-2914 | 1479 / 669 | ||
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58 | HCMM (AEM 1) | 26.04.1978 | Va | Scout-D1 | 134 | ||
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59 | ISEE 3 → ICE | 12.08.1978 | CC | Delta-2914 | 469 | ||
1979 | ||||||||
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60 | SAGE (AEM 2) | 18.02.1979 | WI | Scout-D1 | 149 | ||
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61 | Magsat (AEM 3) | 30.10.1979 | Va | Scout-G1 | 181 | ||
1980 | ||||||||
1981 | ||||||||
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62 | DE 1 | 03.08.1981 | P | Va | Delta-3913 | 400 | with DE 2 |
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63 | DE 2 | 400 | with DE 1 | ||||
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64 | SME | 06.10.1981 | Va | Delta-2310 | 437 | with OSCAR 9 | |
1982 | ||||||||
1983 | ||||||||
1984 | ||||||||
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65 | CCE (AMPTE 1) | 16.08.1984 | CC | Delta-3924 | 240 | with IRM, UKS | |
1985 | ||||||||
1986 | ||||||||
1987 | ||||||||
1988 | ||||||||
1989 | ||||||||
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66 | COBE | 18.11.1989 | Va | Delta-5920 | 2250 | ||
1990 | ||||||||
1991 | ||||||||
1992 | ||||||||
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67 | EUVE | 07.06.1992 | CC | Delta-6920-10 | 3256 | ||
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68 | SAMPEX (SMEX 1) | 03.02.1992 | Va | Scout-G1 | 158 | ||
1993 | ||||||||
1994 | ||||||||
1995 | ||||||||
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69 | XTE (RXTE) | 30.12.1995 | CC | Delta-7920-10 | 3045 | ||
1996 | ||||||||
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70 | FAST (SMEX 2) | 21.08.1996 | Va | Pegasus-XL | 180 | ||
1997 | ||||||||
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71 | ACE | 05.08.1997 | CC | Delta-7920-8 | 765 | ||
1998 | ||||||||
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72 | SNOE (STEDI 1) | 26.02.1998 | Va | Pegasus-XL | 132 | with Batsat | |
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73 | TRACE (SMEX 4) | 02.04.1998 | Va | Pegasus-XL | 225 | ||
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74 | SWAS (SMEX 3) | 06.12.1998 | WI | Pegasus-XL | 283 | ||
1999 | ||||||||
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75 | WIRE (SMEX 5) | 05.03.1999 | Va | Pegasus-XL | 275 | ||
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76 | TERRIERS (STEDI 2) | 18.05.1999 | Va | Pegasus-XL HAPS | 121 | with MUBLCOM | |
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77 | FUSE (MIDEX 0) | 24.06.1999 | CC | Delta-7320-10C | 1360 | ||
2000 | ||||||||
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78 | IMAGE (MIDEX 1) | 25.03.2000 | Va | Delta-7326 | 494 | ||
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79 (MoO) | HETE 2 | 09.10.2000 | Kw | Pegasus-H | 124 | ||
2001 | ||||||||
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80 | MAP (WMAP, MIDEX 2) | 30.06.2001 | CC | Delta-7425-10C | 800 | ||
2002 | ||||||||
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81 | HESSI (RHESSI, SMEX 6) | 05.02.2002 | CC | Pegasus-XL | 293 | ||
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(Int) | INTEGRAL | 17.10.2002 | Ba | Proton-K Blok-DM-2 | 4100 | Participation on INTEGRAL | |
2003 | ||||||||
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82 | CHIPSat (UNEX 1) | 13.01.2003 | Va | Delta-7320-10C | 60 | with ICESAT | |
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83 | GALEX (SMEX 7) | 28.04.2003 | CC | Pegasus-XL | 312 | ||
2004 | ||||||||
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84 | Swift (MIDEX 3, Neil Gehrels Swift Observatory) | 20.11.2004 | CC | Delta-7320-10C | 1331 | ||
2005 | ||||||||
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(MoO) | Astro E2 | 10.07.2005 | Ka | M-5 (2) | 1700 | Instrument on Astro E2 | |
2006 | ||||||||
(MoO) | TWINS A | 28.06.2006 | Va | Delta-4M+(4,2) | Payload on Trumpet 4 | |||
2007 | ||||||||
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85 | THEMIS P1 (MIDEX 5A) → ARTEMIS P1 | 17.02.2007 | CC | Delta-7925-10C | 100 | with THEMIS P2, P3, P4, P5 | |
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86 | THEMIS P2 (MIDEX 5B) → ARTEMIS P2 | 100 | with THEMIS P1, P3, P4, P5 | ||||
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87 | THEMIS P3 (MIDEX 5C) | 100 | with THEMIS P1, P2, P4, P5 | ||||
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88 | THEMIS P4 (MIDEX 5D) | 100 | with THEMIS P1, P2, P3, P5 | ||||
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89 | THEMIS P5 (MIDEX 5E) | 100 | with THEMIS P1, P2, P3, P4 | ||||
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90 | AIM (SMEX 9) | 25.04.2007 | Va | Pegasus-XL | 200 | ||
2008 | ||||||||
(MoO) | TWINS B | 13.03.2008 | Va | Atlas-5(411)¹ | Payload on Trumpet 5 | |||
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(MoO) | CINDI | 16.04.2008 | Kw | Pegasus-XL | 395 | Instruments on C/NOFS | |
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91 | IBEX (SMEX 10) | 19.10.2008 | Kw | Pegasus-XL [Star-27] | 105 | ||
2009 | ||||||||
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92 | WISE (MIDEX 6) (ex NGSS) → NEOWISE | 14.12.2009 | Va | Delta-7320-10C | 532 | ||
2010 | ||||||||
2011 | ||||||||
2012 | ||||||||
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93 | NuSTAR (SMEX 11) | 13.06.2012 | Kw | Pegasus-XL | 360 | ||
2013 | ||||||||
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94 | IRIS (SMEX 12) | 28.06.2013 | Va | Pegasus-XL | 236 | ||
2014 | ||||||||
2015 | ||||||||
2016 | ||||||||
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(MoO) | NeXT | 07.02.2016 | Ta | H-2A-202 | 2700 | Instrument on Astro H | |
2017 | ||||||||
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(MoO) | NICER | 03.05.2017 | CC | Falcon-9 v1.2 | 372 | Instrument on ISS | |
2018 | ||||||||
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(MoO) | GOLD | 25.01.2018 | Ko | Ariane-5ECA | 4423 | Instrument on SES 14 | |
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95 | TESS (MIDEX 7) | 18.04.2018 | CC | Falcon-9 v1.2 | 365 | ||
2019 | ||||||||
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96 | ICON (MIDEX 8) | 11.10.2019 | CC | Pegasus-XL | 288 | ||
2020 | ||||||||
2021 | ||||||||
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97 | IXPE (SMEX 14) | 09.12.2021 | CCK | Falcon-9 v1.2 (Block 5) | 330 | ||
2022 | ||||||||
2023 | ||||||||
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(Int) | Euclid | 01.07.2023 | CC SLC-40 | Falcon-9 v1.2 (Block 5) | 2160 | Participation in Euclid | |
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(MoO) | Resolve | 06.09.2023 | Ta | H-2A-202 | 2700 | Instrument on XRISM | |
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Explorer | Name | Date | Suc | LS | Launch Vehicle | Mass (kg) | Remarks | |
2023 | ||||||||
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(MoO) | AWE | 2023 | CC | Falcon-9 v1.2 (Block 5) | Instrument on ISS | ||
2024 | ||||||||
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TRACERS A (SMEX 16A) | xx.xx.2024 | ? | ? | ||||
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TRACERS B (SMEX 16B) | |||||||
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(MoO) | EZIE 1 | xx.xx.2024 | ? | ? | |||
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(MoO) | EZIE 2 | ||||||
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(MoO) | EZIE 3 | ||||||
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(MoO) | SunRISE 1 | xx.xx.2024 | ? | ? | |||
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(MoO) | SunRISE 2 | ||||||
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(MoO) | SunRISE 3 | ||||||
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(MoO) | SunRISE 4 | ||||||
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(MoO) | SunRISE 5 | ||||||
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(MoO) | SunRISE 6 | ||||||
2025 | ||||||||
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SPHEREx (MIDEX 9) | xx.04.2025 | Va | Falcon-9 v1.2 (Block 5) | ~200 | |||
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PUNCH-NFI (SMEX 15) | 40 | ||||||
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PUNCH-WFI 1 (SMEX 15) | 40 | ||||||
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PUNCH-WFI 2 (SMEX 15) | 40 | ||||||
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PUNCH-WFI 3 (SMEX 15) | 40 | ||||||
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COSI (SMEX 17) | xx.xx.2025 | ? | ? | ||||
2026 | ||||||||
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(MoO) | EUVST | 2026 | Ka | Epsilon-S | Instrument on Solar C | ||
2027 | ||||||||
2028 | ||||||||
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HelioSwarm Hub (MIDEX 11A) | xx.xx.202x | ? | ? | ||||
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HelioSwarm Node 1 (MIDEX 11B) | |||||||
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HelioSwarm Node 2 (MIDEX 11C) | |||||||
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HelioSwarm Node 3 (MIDEX 11D) | |||||||
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HelioSwarm Node 4 (MIDEX 11E) | |||||||
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HelioSwarm Node 5 (MIDEX 11F) | |||||||
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HelioSwarm Node 6 (MIDEX 11G) | |||||||
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HelioSwarm Node 7 (MIDEX 11H) | |||||||
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HelioSwarm Node 8 (MIDEX 11I) | |||||||
2029 | ||||||||
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(MoO) | CASE | 2029 | Ko | Ariane-62 (baselined) | Instrument on ARIEL | ||
TBD | ||||||||
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MUSE (MIDEX 10) | xx.xx.202x | ? | ? | ||||
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Explorer | Name | Date | Suc | LS | Launch Vehicle | Mass (kg) | Remarks | |
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Owl 1 | cancelled 1966 ? | Va | Scout-A | 70 | |||
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Owl 2 | cancelled 1966 ? | Va | Scout-A | 70 | |||
MSS A | cancelled 197x ? | WI | Scout-B ? | 36 | ||||
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CATSAT (STEDI 3) | cancelled | Va | Delta-7320-10C | 109 | with ICESAT | ||
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IMEX (UNEX 2) | cancelled | CC | Titan-402B IUS | 159 | with DSP 22 | ||
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FAME (MIDEX 4) | cancelled | CC | Delta-7425-10C | ||||
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SPIDR (SMEX 8) | cancelled 2003 | Va | Pegasus-XL [Star-26C] | ||||
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GEMS (SMEX 13) | cancelled 2012 | CC | Pegasus-XL * | 267 |
* = Launch vehicle baselined