Spacecrafts launched in 1961 |
Int |
| ID n° | Date | Payload(s) | Vehicle | Site | Country, Type |
| 1961-Sub 1 | 31.01.61 | Mercury MR-2 | Redstone-Mercury | CC, LC5 | US, suborbital, chimp Ham |
| 1961-001 | 31.01.61 | Samos 2(KH 1-2) | Atlas-LV3 Agena-A | Pa, LC-1-1 | US |
| 1961-002 | 04.02.61 | Venera (Sputnik 7) [1VA #1] | Molniya | Baikonur | USSR, Venus probe |
| 1961-003 | 12.02.61 | Venera 1 [1VA #2] Sputnik 8 |
Molniya | Baikonur | USSR, Venus probe |
| 1961-004 | 16.02.61 | Explorer 9 (S-56a) | Scout X-1 | WI, LA-3 | US |
| 1961-005 | 17.02.61 | Discoverer 20 (KH-5 1) | Thor-DM21 Agena-B | Va, 75-3-4 | US |
| 1961-006 | 18.02.61 | Discoverer 21 (RM 2) | Thor-DM21 Agena-B | Va, 75-3-5 | US |
| 1961-Sub 2 | 21.02.61 | Mercury MA-2 | Mercury-Atlas D | CC, LC14 | US, suborbital |
| 1961-007 | 22.02.61 | Transit 3B LOFTI 1 |
Thor-DM21 Able-Star | CC, LC-17B | US, Partial Failure |
| 1961-F01 | 24.02.61 | Explorer (S 45) | Juno-2 | CC, LC-26B | US, Failure |
| 1961-008 | 09.03.61 | Korabl-Sputnik 4 (Sputnik 9, Vostok-3KA #1) | Vostok-K | Baikonur | USSR |
| 1961-Sub3 | 18.03.61 | Mercury LJ-5A | Little-Joe-1 | Wallops Island | US, suborbital |
| 1961-Sub4 | 24.03.61 | Mercury MR-BD | Redstone-Mercury | CC, LC5 | US, suborbital |
| 1961-009 | 25.03.61 | Korabl-Sputnik 5 (Sputnik 10, Vostok-3KA #2) | Vostok-K | Baikonur | USSR |
| 1961-010 | 25.03.61 | Explorer 10 (P 14) | Delta-DM19 | CC, LC-17A | US |
| 1961-F02 | 30.03.61 | Discoverer 22 (KH-2 4) | Thor-DM21 Agena-B | Va, 75-3-4 | US, Failure |
| 1961-011 | 08.04.61 | Discoverer 23 (KH-5 2) | Thor-DM21 Agena-B | Va, 75-3-5 | US |
| 1961-012 | 12.04.61 | Vostok 1 (Vostok-3KA #3) | Vostok 8K72K | B, LC1 | USSR, 1e manned launch |
| 1961-F03 | 25.04.61 | Mercury MA-3 | Atlas-D Mercury | CC, LC-14 | US, 1e orbital test flight |
| 1961-013 | 27.04.61 | Explorer 11 (S 15) | Juno-2 | CC, LC-26B | US |
| 1961-Sub5 | 28.04.61 | Mercury LJ-5B | Little-Joe-1 | CC | US, suborbital |
| 1961-Sub 6 | 05.05.61 | Mercury MR-3 | Redstone-Mercury | CC, LC5 | US, 1e US astronaut, suborbital |
| 1961-F04 | 24.05.61 | Explorer (S-45A) | Juno-2 | CC, LC-26B | US, Failure |
| 1961-F05 | 08.06.61 | Discoverer 24 (KH-5 3) | Thor-DM21 Agena-B | Va, 75-3-4 | US, Failure |
| 1961-014 | 16.06.61 | Discoverer 25 (KH-2 5) | Thor-DM21 Agena-B | Va, 75-1-1 | US |
| 1961-015 | 29.06.61 | Transit 4A Solrad 3 (Greb 3) Injun 1 |
Thor-DM21 Able-Star | CC, LC-17B | US, Partial Failure |
| 1961-F06 | 30.06.61 | Explorer (S-55) | Scout-X1 | WI, LA-3 | US, Failure |
| 1961-016 | 07.07.61 | Discoverer 26 (KH-2 6) | Thor-DM21 Agena-B | Va, 75-3-5 | US |
| 1961-017 | 12.07.61 | Tiros 3 (A 3) | Delta-DM19 | CC, LC-17A | US |
| 1961-018 | 12.07.61 | Midas 3 | Atlas-LV3 Agena-B | Va, LC-1-2 | US |
| - - | 21.07.61 | Mercury MR-4 | Redstone-Mercury | CC, LC5 | US manned, suborbital |
| 1961-F07 | 21.07.61 | Discoverer 27 (KH-5 4) | Thor-DM21 Agena-B | Va, 75-3-4 | US, Failure |
| 1961-F08 | 04.08.61 | Discoverer 28 (KH-2 7) | Thor-DM21 Agena-B | Va, 75-1-1 | US, Failure |
| 1961-019 | 06.08.61 | Vostok 2 (Vostok-3KA #4) | Vostok-K | B, LC1 | USSR, manned flight |
| 1961-020 | 16.08.61 | Explorer 12 (EPE A) | Delta-DM19 | CC, LC-17A | US |
| 1961-021 | 23.08.61 | Ranger 1 | Atlas-LV3 Agena-B | CC, LC-12 | US, Partial Failure |
| 1961-022 | 25.08.61 | Explorer 13 (S 55a) | Scout-X1 | WI, LA-3 | US, Partial Failure |
| 1961-023 | 30.08.61 | Discoverer 29 (KH-3 1) | Thor-DM21 Agena-B | Va, 75-3-4 | US |
| 1961-F09 | 09.09.61 | Samos 3 | Atlas-LV3 Agena-B | Va, LC-1-1 | US, Failure |
| 1961-024 | 12.09.61 | Discoverer 30 (KH-3 2) | Thor-DM21 Agena-B | Va, 75-3-5 | US |
| 1961-025 | 13.09.61 | Mercury MA-4 | Atlas-D Mercury | CC, LC-14 | US, unmanned test flight |
| 1961-026 | 17.09.61 | Discoverer 31 (KH-3 3) | Thor-DM21 Agena-B | Va, 75-1-1 | US |
| 1961-027 | 13.10.61 | Discoverer 32 (KH-3 4) | Thor-DM21 Agena-B | Va, 75-3-4 | US |
| 1961-028 | 21.10.61 | Midas 4 Westford 1 |
Atlas-LV3 Agena-B | Va, LC-1-2 | US |
| 1961-F10 | 23.10.61 | Discoverer 33 (KH-3 5) | Thor-DM21 Agena-B | Va, 75-3-5 | US, Failure |
| 1961-F11 | 27.10.61 | Cosmos (1a) [DS-1 #1] | Cosmos | KY-M2 | USSR, Failure |
| 1961-Sub 8 | 27.10.61 | Saturn-Apollo 1 | Saturn 1 | CC, LC-34 | US, 1e suborbital launch |
| 1961-F12 | 01.11.61 | Mercury MS-1 | Blue Scout-2 | CC, LC-18B | US, Failure |
| 1961-029 | 05.11.61 | Discoverer 34 (KH-3 6) | Thor-DM21 Agena-B | Va, 75-1-1 | US |
| 1961-030 | 15.11.61 | Discoverer 35 (KH-3 7) | Thor-DM21 Agena-B | Va, 75-3-4 | US |
| 1961-031 | 15.11.61 | Transit 4B TRAAC |
Thor-DM21 Able-Star | CC, LC-17B | US |
| 1961-032 | 18.11.61 | Ranger 2 | Atlas-LV3 Agena-B | CC, LC-12 | US, Partial Failure |
| 1961-F13 | 22.11.61 | Samos 4 | Atlas-LV3 Agena-B | Va, LC-1-1 | US, Failure |
| 1961-033 | 29.11.61 | Mercury MA-5 | Atlas-D Mercury | CC, LC-14 | US |
| 1961-F14 | 11.12.61 | Cosmos [Zenit-2 #1] | Vostok-K | B, LC1 | USSR, Failure |
| 1961-034 | 12.12.61 | Discoverer 36 (KH-3 8) Oscar 1 |
Thor-DM21 Agena-B | Va, 75-3-4 | US |
| 1961-F15 | 21.12.61 | Cosmos [DS-1 #2] | Cosmos | KY-M2 | USSR, Failure |
| 1961-035 | 22.12.61 | Samos 5 | Atlas-LV3 Agena-B | Va, LC-1-2 | US |
Note: "ID n° " in red are failed missions (rocket or satellite)
| In 1961: 53 spacecrafts launched |
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| 2 manned spacecraft launched |
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| In orbit on 31 dec 1993: 10 spacecrafts |
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