| Date | COSPAR | SATCAT | Name | Country | Original PL Name | Type | link | link |
|
1957 Oct 4 | 1957 α2 | S00002 | Sputnik 1 | USSR | PS-1 | Technology | link | link |
| 1957 Nov 3 | 1957 β1 | S00003 | Sputnik 2 | USSR | PS-2 | Biology | link | link |
| 1957 Dec 6 | 1957-F01 | F00002 | Vanguard 1A | USA | Vanguard Test Satellite | Technology | link | link | |
| 1958 Feb 1 | 1958 á | S00004 | Explorer 1 | USA | Explorer 1 | Magnetosphere | link | link |
| 1958 Feb 5 | 1958-F01 | F00004 | Vanguard 1B | USA | Vanguard Test Satellite | Technology | link | link |
| 1958 Mar 5 | 1958-F02 | F00006 | Explorer 2 | USA | Explorer 2 | Magnetosphere | link | link |
| 1958 Mar 17 | 1958 â2 | S00005 | Vanguard 1 | USA | Vanguard Test Satellite | Technology | link | link |
| 1958 Mar 26 | 1958 ã | S00006 | Explorer 3 | USA | Explorer 3 | Magnetosphere | link | link |
| 1958 Apr 27 | 1958-F03 | F00008 | Sputnik (3) | USSR | D-1 No. 1 | Magnetosphere | link | link |
| 1958 Apr 29 | 1958-F04 | F00010 | Vanguard 2A | USA | X-ray satellite | Magnetosphere | link | link |
| 1958 May 15 | 1958 ä2 | S00008 | Sputnik 3 | USSR | D-1 No. 2 | Magnetosphere | link | link | |
| 1958 May 28 | 1958-F05 | F00012 | Vanguard 2B | USA | Lyman Alpha satellite | Magnetosphere | link | link |
| 1958 Jun 26 | 1958-F06 | F00014 | Vanguard 2C | USA | X-ray satellite | Magnetosphere | link | link |
| 1958 Jul 25 | 1958-F07 | F00017 | NOTS 1 | USA | Diagnostic Payload 1 | Technology | link | link |
| 1958 Jul 26 | 1958 å | S00009 | Explorer 4 | USA | Explorer 4 | Magnetosphere | link | link |
| 1958 Aug 12 | 1958-F08 | F00020 | NOTS 2 | USA | Diagnostic Payload 2 | Technology | link | link |
| 1958 Aug 17 | 1958-F09 | F00022 | Pioneer 0 | USA | Able 1 | Lunar Orbiter | link | link |
| 1958 Aug 22 | 1958-F10 | F00026 | NOTS 3 | USA | Diagnostic Payload 3 | Technology | link | link |
| 1958 Aug 24 | 1958-F11 | F00028 | Explorer 5 | USA | Explorer 5 | Magnetosphere | link | link | |
| 1958 Aug 25 | 1958-F12 | F00031 | NOTS 4 | USA | Diagnostic Payload 4 | Technology | link | link |
| 1958 Aug 26 | 1958-F13 | F00034 | NOTS 5 | USA | Diagnostic Payload 5 | Technology | link | link |
| 1958 Aug 28 | 1958-F14 | F00037 | NOTS 6 | USA | Diagnostic Payload 6 | Technology | link | link |
| 1958 Sep 23 | 1958-F15 | F00039 | Luna (1) | USSR | E-1 No. 1 | Lunar Impact | link | link |
| 1958 Sep 26 | 1958-U01 | F00041 | Vanguard 2D | USA | Cloud cover satellite | Magnetosphere | link | link |
| 1958 Oct 11 | 1958 ç | S00110 | Pioneer 1 | USA | Able 2 | Lunar Orbiter (failed) | link | link |
| 1958 Oct 11 | 1958-F17 | F00043 | Luna (1) | USA | E-1 No. 2 | Lunar Impact | link | link |
| 1958 Oct 23 | 1958-F18 | F00047 | Beacon 1 | USA | Beacon | Technology | link | link |
| 1958 Nov 8 | 1958-F19 | F00049 | Pioneer 2 | USA | Able 3 | Lunar Orbiter | link | link |
| 1958 Dec 4 | 1958-F20 | F00052 | Luna (1) | USSR | E-1 No. 3 | Lunar Impact | link | link |
| 1958 Dec 6 | 1958 è | S00111 | Pioneer 3 | USA | Pioneer 3 | Lunar Flyby (failed) | link | link |
| 1958 Dec 18 | 1958 æ | S00010 | SCORE | USA | SCORE | Technology | link | link |
