List of Thor and Delta launches (1980–1989)

Main article: List of Thor and Delta launches

Between 1980 and 1989, there were 58 Thor missiles launched, of which 56 were successful, giving a 96.6% success rate.

List of Thor and Delta launches
1957–1959 · 1960–1969 · 1970–1979 · 1980–1989 · 1990–1999 · 2000–2009 · 2010–2019 · 2020–2024

Launch statistics

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Rocket configurations

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1
2
3
4
5
6
7
8
9
10
  •   Thor DSV-2U
  •   Delta I (2000)
  •   Delta I (3000)
  •   Delta I (4000)
  •   Delta I (5000)
  •   Delta II (6000)
  •   N-I
  •   N-II
  •   H-1

Launch sites

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1
2
3
4
5
6
7
8
9
10
1980
'81
'82
'83
'84
'85
'86
'87
'88
'89
  •   Cape Canaveral SLC-17A
  •   Cape Canaveral SLC-17B
  •   Vandenberg SLC-2W
  •   Vandenberg SLC-10W
  •   Tanegashima SLC-N

Launch outcomes

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1
2
3
4
5
6
7
8
9
10
1980
'81
'82
'83
'84
'85
'86
'87
'88
'89
  •   Success
  •   Failure

1980

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There were 5 Thor missiles launched in 1980. 4 of the 5 launches were successful, giving an 80% success rate.

Date/Time
(UTC) 		Rocket S/N Launch Site Payload Function Orbit Outcome Remarks
1980-02-14
15:57 		Delta 3910 151 (Thor 635) CCAFS LC-17A Solar Maximum Mission Solar observation satellite LEO Success
1980-02-22
08:35 		N-I N-6 (F) Tanegashima SLC-N ECS-B (Ayame-2) Experimental communication satellite GTO Success
1980-07-15
02:22 		Thor DSV-2U Thor 304 VAFB SLC-10W DMSP-5D-F5 Military weather satellite planned: LEO / SSO Failure Final flight of the Long Tank Thor. Failure attributed to faulty connection between second and third stages, resulting in third stage not receiving electrical power.
1980-09-09
22:27 		Delta 3914 152 (Thor 637) CCAFS LC-17A GOES-D (GOES-4) Weather satellite GTO Success
1980-11-15
22:49 		Delta 3910 153 (Thor 636) CCAFS LC-17A SBS-1 Communications satellite GTO Success

1981

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There were 7 Thor missiles launched in 1981. All 7 launches were successful.

Date/Time
(UTC) 		Rocket S/N Launch Site Payload Function Orbit Outcome Remarks
1981-02-11
08:30 		N-II N-7 (F) Tanegashima SLC-N ETS-4 (Kiku-3) Technological demonstration satellite MEO Success
1981-05-22
22:29 		Delta 3914 154 (Thor 645) CCAFS LC-17A GOES-E (GOES-5) Weather Satellite GTO Success
1981-08-03
09:56 		Delta 3913 155 (Thor 642) VAFB LC-2W Explorer 62 / 63 (Dynamics Explorer-A/B) Magnetosphere research satellites MEO Success
1981-08-10
20:03 		N-II N-8 (F) Tanegashima SLC-N GMS-2 (Himawari-2) Weather satellite GTO Success
1981-09-24
23:09 		Delta 3910 156 (Thor 641) CCAFS LC-17A SBS-2 Communications satellite GTO Success
1981-10-06
11:27 		Delta 2310 157 (Thor 639) CCAFS LC-17A Explorer 64 (Solar Mesosphere Explorer) / Oscar-9 Atmospheric research satellite / amateur radio satellite LEO Success
1981-11-20
01:37 		Delta 3910 158 (Thor 640) CCAFS LC-17A Satcom 3R Communications satellite GTO Success

1982

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There were 8 Thor missiles launched in 1982. All 8 launches were successful.

Date/Time
(UTC) 		Rocket S/N Launch Site Payload Function Orbit Outcome Remarks
1982-01-16
01:54 		Delta 3910 159 (Thor 643) CCAFS LC-17A Satcom 4 Communications satellite GTO Success
1982-02-26
00:04 		Delta 3910 160 (Thor 644) CCAFS LC-17A Westar 4 Communications satellite GTO Success
1982-04-10
06:47 		Delta 3910 161 (Thor 647) CCAFS LC-17A Insat 1A Communications satellite GTO Success
1982-06-09
00:24 		Delta 3910 162 (Thor 649) CCAFS LC-17A Westar 5 Communications satellite GTO Success
1982-07-16
17:59 		Delta 3920 163 (Thor 648) VAFB LC-2W Landsat 4 Earth observation satellite LEO Success
1982-08-26
23:10 		Delta 3920 164 (Thor 651) CCAFS LC-17B Anik D1 Communications satellite GTO Success
1982-09-03
05:00 		N-I N-9 (F) Tanegashima SLC-N ETS-3 (Kiku-4) Technological demonstration satellite MEO Success
1982-10-28
01:27 		Delta 3924 165 (Thor 652) CCAFS LC-17B Satcom 5 Communications satellite GTO Success

1983

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There were 10 Thor missiles launched in 1983. All 10 launches were successful.

Date/Time
(UTC) 		Rocket S/N Launch Site Payload Function Orbit Outcome Remarks
1983-01-25
02:17 		Delta 3910 166 (Thor 650) VAFB LC-2W IRAS / PIX-2 Infrared Space telescope / Technological research LEO Success
1983-02-04
08:37 		N-II N-10 (F) Tanegashima SLC-N CS-2A (Sakura-2A) Communication satellite GTO Success
1983-04-11
22:39 		Delta 3924 167 (Thor 653) CCAFS LC-17B Satcom 6 Communications satellite GTO Success
1983-04-28
22:26 		Delta 3914 168 CCAFS LC-17A GOES-F (GOES-6) Weather Satellite GTO Success
1983-05-26
15:18 		Delta 3914 169 VAFB LC-2W EXOSAT X-ray Space telescope HEO Success
1983-06-28
23:08 		Delta 3920 170 CCAFS LC-17B Galaxy 1 Communications satellite GTO Success
1983-07-28
22:49 		Delta 3920 171 CCAFS LC-17A Telstar-3A Communications satellite GTO Success
1983-08-05
20:29 		N-II N-11 (F) Tanegashima SLC-N CS-2B (Sakura-2B) Communication satellite GTO Success
1983-09-08
22:52 		Delta 3920 172 CCAFS LC-17B Satcom 7 Communications satellite GTO Success
1983-09-22
22:16 		Delta 3920 173 CCAFS LC-17A Galaxy 2 Communications satellite GTO Success

1984

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There were 6 Thor missiles launched in 1984. All 6 launches were successful.

Date/Time
(UTC) 		Rocket S/N Launch Site Payload Function Orbit Outcome Remarks
1984-01-23
07:58 		N-II N-12 (F) Tanegashima SLC-N BS-2A (Yuri-2A) Direct-Broadcasting satellite GTO Success
1984-03-01
17:59 		Delta 3920 174 VAFB LC-2W Landsat 5 / Oscar-11 Earth observation satellite / Amateur radio satellite LEO Success
1984-08-02
20:30 		N-II N-13 (F) Tanegashima SLC-N GMS-3 (Himawari-3) Weather satellite GTO Success
1984-08-16
14:30 		Delta 3924 175 CCAFS LC-17A Explorer 65 (Active Magnetospheric Particle Tracer Explorers-1/2/3) Magnetosphere research satellites HEO Success
1984-09-21
22:18 		Delta 3920 176 CCAFS LC-17B Galaxy-3 Communications satellite GTO Success
1984-11-14
00:34 		Delta 3914 177 CCAFS LC-17A NATO-3D Military communications satellite GTO Success

1986

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There were 4 Thor missiles launched in 1986. 3 of the 4 launches were successful, giving a 75% success rate.

Date/Time
(UTC) 		Rocket S/N Launch Site Payload Function Orbit Outcome Remarks
1986-02-12
07:55 		N-II N-14 (F) Tanegashima SLC-N BS-2B (Yuri-2B) Direct-Broadcasting satellite GTO Success
1986-05-03
22:18 		Delta 3914 178 CCAFS LC-17A GOES-G Weather Satellite planned: GTO Failure Electric failure in first stage caused the rocket to lose control and was destroyed 90 seconds into flight
1986-08-12
20:45 		H-I H-15 (F) Tanegashima SLC-N EGP (Ajisai) / Oscar 12 / MAEBS Geodesic research satellite / Amateur radio satellite / Technological demonstration MEO Success
1986-09-05
15:08 		Delta 3920 180 CCAFS LC-17B Vector Sum Experiment (USA-19) Experimental on-orbit ASAT test satellite LEO Success

1987

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There were 4 Thor missiles launched in 1987. All 4 launches were successful.

Date/Time
(UTC) 		Rocket S/N Launch Site Payload Function Orbit Outcome Remarks
1987-02-19
01:23 		N-II N-16 (F) Tanegashima SLC-N MOS-1 (Momo-1) Earth observation satellite LEO / SSO Success
1987-02-26
23:05 		Delta 3914 179 CCAFS LC-17A GOES-H (GOES-7) Weather Satellite GTO Success
1987-03-20
22:22 		Delta 3920 182 CCAFS LC-17B Palapa B2P Communications satellite GTO Success
1987-08-27
09:20 		H-I H-17 (F) Tanegashima SLC-N ETS-5 (Kiku-5) Experimental communication satellite GTO Success

1988

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There were 3 Thor missiles launched in 1988. All 3 launches were successful.

Date/Time
(UTC) 		Rocket S/N Launch Site Payload Function Orbit Outcome Remarks
1988-02-08
22:07 		Delta 3910 181 CCAFS LC-17B Thrusted Vector Experiment (USA-30) Experimental on-orbit ASAT test satellite LEO Success
1988-02-19
10:05 		H-I H-18 (F) Tanegashima SLC-N CS-3A (Sakura-3A) Communication satellite GTO Success
1988-09-16
09:59 		H-I H-19 (F) Tanegashima SLC-N CS-3B (Sakura-3B) Communication satellite GTO Success

1989

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There were 9 Thor missiles launched in 1989. All 9 launches were successful.

Date/Time
(UTC) 		Rocket S/N Launch Site Payload Function Orbit Outcome Remarks
1989-02-14
18:30 		Delta II 6925 [1] 184 CCAFS LC-17A NAVSTAR II-1 GPS Block II navigation satellite[1] MEO Success First Delta II launch
1989-03-24
21:50 		Delta 3920-8 183 CCAFS LC-17B Delta Star (USA-36) Experimental on-orbit ASAT test satellite LEO Success
1989-06-10
22:30 		Delta II 6925 185 CCAFS LC-17A NAVSTAR II-2 GPS Block II navigation satellite MEO Success
1989-08-18
05:58 		Delta II 6925 186 CCAFS LC-17A NAVSTAR II-3 GPS Block II navigation satellite MEO Success
1989-08-27
22:59 		Delta 4925-8 [2] 187 CCAFS LC-17B BSB-R1 (Marcopolo 1) Communications satellite GTO Success
1989-09-05
18:11 		H-I H-20 (F) Tanegashima SLC-N GMS-4 (Himawari-4) Weather satellite GTO Success
1989-10-21
09:31 		Delta II 6925 188 CCAFS LC-17A NAVSTAR II-4 GPS Block II navigation satellite MEO Success
1989-11-18
14:34 		Delta 5920-8 [3] 189 VAFB LC-2W COBE Cosmology observation satellite LEO[2] Success
1989-12-11
18:10 		Delta II 6925 190 CCAFS LC-17B NAVSTAR II-5 GPS Block II navigation satellite MEO Success

References

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  1. ^ "GPS Block 2 and 2A". astronautix.com. Retrieved April 28, 2023.
  2. ^ COBE orbit
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