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Orbital launches | |
---|---|
First | 31 January |
Last | 22 December |
Total | 50 |
Successes | 28 |
Failures | 20 |
Partial failures | 2 |
Catalogued | 36 |
National firsts | |
Spaceflight | Italy |
Space traveller | Soviet Union United States |
Rockets | |
Maiden flights | Atlas LV-3A Agena-B Kosmos-2I 63S1 Saturn I (suborbital test) |
Retirements | Atlas LV-3A Agena-A Juno II |
Crewed flights | |
Orbital | 2 |
Suborbital | 2 |
Total travellers | 4 |
Date/Time (UTC) | Source object | Event type | Pieces tracked | Remarks |
---|---|---|---|---|
29 June[2] | Thor-Able upper stage of Transit 4A navigation satellite | Rocket explosion | 294[2] | First explosion of a rocket stage in orbit creating hundreds of debris pieces |
| ||||||
Orbital launch attempts by country in 1961 |
Country | Launches | Successes | Failures | Partial failures |
Remarks |
---|---|---|---|---|---|
Soviet Union | 9 | 5 | 4 | 0 | |
United States | 41 | 23 | 16 | 2 |
Rocket | Country | Launches | Successes | Failures | Partial failures | Remarks |
---|---|---|---|---|---|---|
Atlas LV-3A Agena-A | United States | 1 | 1 | 0 | 0 | Retired |
Atlas LV-3A Agena-B | United States | 7 | 2 | 4 | 1 | Maiden flight |
Atlas LV-3B | United States | 3 | 2 | 1 | 0 | First orbital launch |
RM-90 Blue Scout II | United States | 1 | 0 | 1 | 0 | First orbital launch |
Juno II | United States | 3 | 1 | 2 | 0 | Retired |
Kosmos-2I 63S1 | Soviet Union | 2 | 0 | 2 | 0 | Maiden flight |
Molniya 8K78 | Soviet Union | 2 | 1 | 1 | 0 | |
Scout X-1 | United States | 3 | 1 | 2 | 0 | |
Thor DM-21 Ablestar | United States | 3 | 2 | 0 | 1 | |
Thor DM-21 Agena-B | United States | 17 | 11 | 6 | 0 | |
Thor DM-19 Delta | United States | 3 | 3 | 0 | 0 | |
Vostok-K 8K72K | Soviet Union | 5 | 4 | 1 | 0 |
Orbital regime | Launches | Achieved | Not Achieved | Accidentally Achieved | Remarks |
---|---|---|---|---|---|
Low Earth | 41 | 28 | 13 | 3 | |
Medium Earth | 1 | 1 | 0 | 0 | |
High Earth | 6 | 2 | 4 | 0 | Including Highly elliptical orbits |
Heliocentric | 2 | 1 | 1 | 0 |
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