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Orbital launches | |
---|---|
First | 11 January |
Last | 21 December |
Total | 101 |
Successes | 83 |
Failures | 15 |
Partial failures | 3 |
Catalogued | 87 |
National firsts | |
Satellite | ![]() |
Rockets | |
Maiden flights | Atlas SLV-3 Agena-D Atlas LV-3C Centaur-C Delta D Kosmos-1 63S3 Molniya-M 8K78M Titan II GLV Titan IIIA Vostok-2M 8A92M |
Retirements | Delta B Scout X-3 Polyot 11A59 Vostok-K 8K72K |
Crewed flights | |
Orbital | 1 |
Total travellers | 3 |
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Date (UTC) | Spacecraft | Event | Remarks |
---|---|---|---|
2 February | Ranger 6 | Lunar impact | Impacted Mare Tranquillitatis at 09:24:32, failed to return images |
14 July | Zond 1 | Flyby of Venus | Closest approach: 100,000 kilometres (62,000 mi), communications system failed before flyby |
31 July | Ranger 7 | Lunar impact | Impacted Mare Nubium at 13:25:48, returned 4,308 images |
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Orbital launch attempts by country in 1964 |
Country | Launches | Successes | Failures | Partial failures |
Remarks |
---|---|---|---|---|---|
Soviet Union | 36 | 29 | 7 | 0 | |
United States | 64 | 53 | 8 | 3 |
Orbital regime | Launches | Achieved | Not Achieved | Accidentally Achieved |
Remarks |
---|---|---|---|---|---|
Low Earth | 77 | 68 | 8 | 2 | |
Medium Earth | 4 | 3 | 1 | 0 | |
High Earth | 11 | 8 | 3 | 0 | Including Highly elliptical orbits |
Geosynchronous/transfer | 2 | 1 | 1 | 0 | |
Heliocentric | 6 | 4 | 2 | 0 |
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