| # |
Spacecraft |
Sponsor |
Launch Date |
|
Mission Type |
Categories |
| === |
================= |
============ |
========== |
=== |
=============== |
========== |
| 1) |
Explorer
1 |
U.S. Army (ABMA) |
1 Feb 58 |
C |
Earth/Space Science (1st) |
USA, |
| 2) |
Vanguard
TV-3bu |
U.S. Navy (NRL) |
5 Feb 58 |
C |
Technology |
USA, Fail, |
| 3) |
Explorer
2 |
U.S. Army (ABMA) |
5 Mar 58 |
C |
Earth/Space Science |
USA, Fail, |
| 4) |
Vanguard
I |
U.S. Navy (NRL) |
17 Mar 58 |
C |
Earth/Space Science |
USA, |
| 5) |
Explorer
3 |
U.S. Army (ABMA) |
26 Mar 58 |
C |
Earth/Space Science |
USA, |
| 6) |
"Sputnik" |
Soviet Union (Korolev's OKB-1) |
27 Apr 58 |
C |
Earth/Space Science |
USSR, Fail, |
| 7) |
Vanguard
TV-5 |
U.S. Navy (NRL) |
29 Apr 58 |
C |
Earth/Space Science |
USA, Fail, |
| 8) |
Sputnik
3 |
Soviet Union (Korolev's OKB-1) |
15 May 58 |
C |
Earth/Space Science |
USSR, |
| 9) |
Vanguard SLV-1 |
U.S. Navy (NRL) |
28 May 58 |
C |
Earth/Space Science |
USA, Fail, |
| 10) |
Vanguard SLV-2 |
U.S. Navy (NRL) |
26 Jun 58 |
C |
Earth/Space Science |
USA, |
| 11) |
NOTS 1 / Pilot 1 |
U.S. Navy |
25 Jul 58 |
M |
Technology |
USA, Fail, |
| 12) |
Explorer 4 |
U.S. DARPA |
26 Jul 58 |
C |
Earth/Space Science |
USA, |
| 13) |
NOTS 2 / Pilot 2 |
U.S. Navy |
12 Aug 58 |
M |
Technology |
USA, Fail, |
| 14) |
Able 1 / "Pioneer 0" |
U.S. Air Force |
17 Aug 58 |
C |
Planetary Exploration (1st)
(1st Moon Attempt) |
USA, Fail, |
| 15) |
NOTS 3 ( Pilot 3 |
U.S. Navy |
22 Aug 58 |
M |
Technology |
USA, Fail, |
| 16) |
Explorer 5 |
U.S. DARPA |
24 Aug 58 |
C |
Earth/Space Science |
USA, Fail, |
| 17) |
NOTS 4 / Pilot 4 |
U.S. Navy |
25 Aug 58 |
M |
Technology |
USA, Fail, |
| 18) |
NOTS 5 / Pilot 5 |
U.S. Navy |
26 Aug 58 |
M |
Technology |
USA, Fail, |
| 19) |
NOTS 6 / Pilot 6 |
U.S. Navy |
28 Aug 58 |
M |
Technology |
USA, Fail, |
| 20) |
"Luna" |
Soviet Union (Korolev's OKB-1) |
23 Sep 58 |
C |
Planetary Exploration (Moon) |
USSR, Fail, |
| 21) |
Vanguard SLV-3 |
U.S. Navy (NRL) |
26 Sep 58 |
C |
Earth/Space Science |
USA, Fail, |
| 22) |
Able 2 / Pîoneer 1 |
NASA/U.S. Air Force |
11 Oct 58 |
C |
Planetary Exploration (Moon) |
USA, |
| 23) |
"Luna" |
Soviet Union (Korolev's OKB-1) |
11 Oct 58 |
C |
Planetary Exploration (Moon) |
USSR Fail,, |
| 24) |
Beacon 1 |
NASA/U.S. Army |
23 Oct 58 |
C |
Earth/Space Science |
USA, Fail, |
| 25) |
Pioneer 2 |
U.S. Air Force/NASA |
8 Nov 58 |
C |
Planetary Exploration (Moon) |
USA, |
| 26) |
"Luna" |
Soviet Union (Korolev's OKB-1) |
4 Dec 58 |
C |
Planetary Exploration (Moon) |
USSR Fail,, |
| 27) |
Able 3 / Pioneer 3 |
NASA & AMBA |
6 Dec 58 |
C |
Planetary Exploration (Moon) |
USA, Fail, |
| 28) |
Score |
U.S. DARPA |
18 Dec 58 |
M |
Technology
(Data Relay R&D) |
USA, |
