1958 ALP 1958 Feb 1 0347:56 1958 ALP Explorer 1 Explorer 1 S00004 Jupiter C RS-29 CC LC26A S JunoFam 1958-F01 1958 Feb 5 0733 1958-F01 Vanguard Vanguard Test Satellite F00004 Vanguard TV-3BU CC LC18A F Vang-ER9955 1958-F02 1958 Mar 5 1827:57 1958-F02 Explorer 2 Explorer 2 F00006 Jupiter C RS/CC-26 CC LC26A F JunoFam 1958 BET 1958 Mar 17 1215:41 1958 BET 2 Vanguard I Vanguard Test Satellite S00005 Vanguard TV-4 CC LC18A S SP-4202 1958 GAM 1958 Mar 26 1738:03 1958 GAM Explorer 3 Explorer 3 S00006 Jupiter C RS-24 CC LC5 S JunoFam 1958-F03 1958 Apr 27 0901 1958-F03 [ISZ] D-1 No. 1 F00008 Sputnik 8A91 B1-2 NIIP-5 LC1 F NezavB 1958-F04 1958 Apr 29 0253:00 1958-F04 Vanguard X-ray satellite F00010 Vanguard TV-5 CC LC18A F Vang-ER10300 1958 DEL 1958 May 15 0700:35 1958 DEL 2 3-y Sovetskiy ISZ D-1 No. 2 S00008 Sputnik 8A91 B1-1 NIIP-5 LC1 S NezavB 1958-F05 1958 May 28 0346:20 1958-F05 Vanguard Lyman Alpha satellite F00012 Vanguard SLV-1 CC LC18A F Vang-ER10301 1958-F06 1958 Jun 26 0500:52 1958-F06 Vanguard X-ray satellite F00014 Vanguard SLV-2 CC LC18A F Vang-ER10302 1958-F07 1958 Jul 25 1958-F07 NOTS 1 Diagnostic Payload 1 F00017 Project Pilot 1 F4D-1 747,NOTS RW -> DZSB F NOTS 1958 EPS 1958 Jul 26 1500:57 1958 EPS Explorer 4 Explorer 4 S00009 Jupiter C RS/CC-44 CC LC5 S JunoFam 1958-F08 1958 Aug 12 1958-F08 NOTS 2 Diagnostic Payload 2 F00020 Project Pilot 2 F4D-1 747,NOTS RW -> DZSB F NOTS 1958-F09 1958 Aug 17 1218 1958-F09 Able I (Pioneer) Able 1 F00022 Thor Able I 127 CC LC17A F NASA-5-25-59W-V3 1958-F10 1958 Aug 22 1958-F10 NOTS 3 Diagnostic Payload 3 F00026 Project Pilot 3 F4D-1 747,NOTS RW -> DZSB F NOTS 1958-F11 1958 Aug 24 0617:22 1958-F11 Explorer 5 Explorer 5 F00028 Jupiter C RS/CC-47 CC LC5 F JunoFam 1958-F12 1958 Aug 25 1958-F12 NOTS 4 Radiation Payload 1 F00031 Project Pilot 4 F4D-1 747,NOTS RW -> DZSB F NOTS 1958-F13 1958 Aug 26 1958-F13 NOTS 5 Radiation Payload 2 F00034 Project Pilot 5 F4D-1 747,NOTS RW -> DZSB F NOTS 1958-F14 1958 Aug 28 1958-F14 NOTS 6 Radiation Payload 3 F00037 Project Pilot 6 F4D-1 747,NOTS RW -> DZSB F NOTS 1958-F15 1958 Sep 23 1958-F15 [AMS Luna] E-1 No. 1 E-1 No. 1 F00039 Vostok-L 8K72 B1-3 NIIP-5 LC1 F AVMNLJ 1958-U01 1958 Sep 26 1538 1958-U01 Vanguard Cloud cover satellite F00041 Vanguard SLV-3 CC LC18A F Vang-ER10303 1958 ETA 1958 Oct 11 0842:13 1958 ETA Pioneer 1 Able 2 S00110 Thor Able I 130 CC LC17A S NASA-5-25-59W-V3 1958-F17 1958 Oct 11 1958-F17 [AMS Luna] E-1 No. 2 E-1 No. 2 F00043 Vostok-L 8K72 B1-4 NIIP-5 LC1 F AVMNLJ 1958-F18 1958 Oct 23 0321:04 1958-F18 Beacon Beacon F00047 Jupiter C RS/CC-49 CC LC5 F JPL-FOM-59-10 1958-F19 1958 Nov 8 0730:21 1958-F19 Pioneer 2 Able 3 F00049 Thor Able I 129 CC LC17A F NASA-5-25-59W-V3 1958-F20 1958 Dec 4 1958-F20 [AMS Luna] E-1 No. 3 E-1 No. 3 F00052 Vostok-L 8K72 B1-5 NIIP-5 LC1 F AVMNLJ 1958 THE 1958 Dec 6 0544:52 1958 THE Pioneer 3 Pioneer 3 S00111 Juno II AM-11 CC LC5 S JPL32-31-2 1958 ZET 1958 Dec 18 2302 1958 ZET SCORE SCORE S00010 Atlas B 10B CC LC11 S AP