| Year: | 1963 |
| First: | 4 January |
| Last: | 21 December |
| Total: | 70 |
| Success: | 50 |
| Failed: | 17 |
| Partial: | 3 |
| Catalogued: | 55 |
| Maidens: | Atlas LV-3A Agena-D Atlas LV-3C Centaur-B Polyot 11A59 Scout X-2B Scout X-3M Scout X-4 Thor DSV-2A Ablestar TAT SLV-2A Agena-B TAT SLV-2A Agena-D Voskhod 11A57 |
| Retired: | Atlas LV-3B Atlas LV-3C Centaur-B Scout X-2B Scout X-2M Scout X-3M |
| Suborbital: | 2 |
| Orbital: | 3 |
| Totalcrew: | 4 |
| Date (GMT) | Spacecraft | Event | Remarks |
|---|---|---|---|
| 5 April | Failed lander, closest approach: | ||
| 19 June | Closest approach:, communications system failed before flyby | ||
| Country | Launches | Successes | Failures | Partial failures | Remarks | |
|---|---|---|---|---|---|---|
| 24 | 15 | 9 | 0 | |||
| 46 | 35 | 8 | 3 |
| Rocket | Country | Launches | Successes | Failures | Partial failures | Remarks | |
|---|---|---|---|---|---|---|---|
| Atlas LV-3A Agena-B | 3 | 1 | 1 | 1 | |||
| Atlas LV-3A Agena-D | 5 | 5 | 0 | 0 | Maiden flight | ||
| Atlas LV-3B | 1 | 1 | 0 | 0 | Retired | ||
| Atlas LV-3C Centaur-B | 1 | 1 | 0 | 0 | Only flight | ||
| Delta B | 6 | 6 | 0 | 0 | |||
| Delta C | 1 | 1 | 0 | 0 | |||
| Kosmos-2I 63S1 | 8 | 4 | 4 | 0 | |||
| Molniya 8K78 | 1 | 0 | 1 | 0 | |||
| Molniya-L 8K78L | 3 | 1 | 2 | 0 | Maiden flight | ||
| Polyot 11A59 | 1 | 1 | 0 | 0 | Maiden flight | ||
| Scout X-2B | 1 | 0 | 1 | 0 | Only flight | ||
| Scout X-2M | 1 | 0 | 1 | 0 | Retired | ||
| Scout X-3 | 2 | 0 | 1 | 1 | |||
| Scout X-3M | 1 | 1 | 0 | 0 | Only flight | ||
| Scout X-4 | 2 | 1 | 0 | 1 | Maiden flight | ||
| Thor DSV-2A Ablestar | 2 | 2 | 0 | 0 | Maiden flight | ||
| Thor DM-21 Agena-B | 1 | 1 | 0 | 0 | |||
| Thor SLV-2 Agena-D (Thor DM-21 Agena-D) | 8 | 6 | 2 | 0 | Redesignated midyear | ||
| 1 | 1 | 0 | 0 | Maiden flight | |||
| 10 | 8 | 2 | 0 | Maiden flight | |||
| Voskhod 11A57 | 1 | 1 | 0 | 0 | Maiden flight | ||
| Vostok-K 8K72K | 2 | 2 | 0 | 0 | |||
| Vostok-2 8A92 | 8 | 6 | 2 | 0 |
| Orbital regime | Launches | Achieved | Not Achieved | Accidentally Achieved | Remarks | |
|---|---|---|---|---|---|---|
| Low Earth | 57 | 44 | 13 | 2 | ||
| Medium Earth | 5 | 4 | 1 | 0 | ||
| High Earth | 5 | 3 | 2 | 0 | Including Highly elliptical orbits | |
| 2 | 2 | 0 | 0 | |||
| Heliocentric | 1 | 0 | 1 | 0 |