List of Thor and Delta launches (1980–1989)

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Main page: Engineering: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 * 2020–2029

## Contents

* 1 Launch statistics
* 1.1 Rocket configurations
* 1.2 Launch sites
* 1.3 Launch outcomes
* 2 1980
* 3 1981
* 4 1982
* 5 1983
* 6 1984
* 7 1986
* 8 1987
* 9 1988
* 10 1989
* 11 References

## Launch statistics

### Rocket configurations

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### Launch sites

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### Launch outcomes

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## 1980

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)  | Cape Canaveral Air Force Station 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)  | Cape Canaveral Air Force Station LC-17A  | GOES-D (GOES-4)  | Weather satellite  | GTO | Success  |
1980-11-15
22:49  | Delta 3910  | 153 (Thor 636)  | Cape Canaveral Air Force Station LC-17A  | SBS-1 | Communications satellite | GTO | Success  |

## 1981

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)  | Cape Canaveral Air Force Station 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)  | Cape Canaveral Air Force Station LC-17A  | SBS-2 | Communications satellite | GTO | Success  |
1981-10-06
11:27  | Delta 2310  | 157 (Thor 639)  | Cape Canaveral Air Force Station 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)  | Cape Canaveral Air Force Station LC-17A  | Satcom 3R | Communications satellite | GTO | Success  |

## 1982

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)  | Cape Canaveral Air Force Station LC-17A  | Satcom 4 | Communications satellite | GTO | Success  |
1982-02-26
00:04  | Delta 3910  | 160 (Thor 644)  | Cape Canaveral Air Force Station LC-17A  | Westar 4 | Communications satellite | GTO | Success  |
1982-04-10
06:47  | Delta 3910  | 161 (Thor 647)  | Cape Canaveral Air Force Station LC-17A  | Insat 1A  | Communications satellite | GTO | Success  |
1982-06-09
00:24  | Delta 3910  | 162 (Thor 649)  | Cape Canaveral Air Force Station 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)  | Cape Canaveral Air Force Station 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)  | Cape Canaveral Air Force Station LC-17B  | Satcom 5 | Communications satellite | GTO | Success  |

## 1983

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)  | Cape Canaveral Air Force Station LC-17B  | Satcom 6 | Communications satellite | GTO | Success  |
1983-04-28
22:26  | Delta 3914  | 168  | Cape Canaveral Air Force Station 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  | Cape Canaveral Air Force Station LC-17B  | Galaxy 1  | Communications satellite | GTO | Success  |
1983-07-28
22:49  | Delta 3920  | 171  | Cape Canaveral Air Force Station 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  | Cape Canaveral Air Force Station LC-17B  | Satcom 7 | Communications satellite | GTO | Success  |
1983-09-22
22:16  | Delta 3920  | 173  | Cape Canaveral Air Force Station LC-17A  | Galaxy 2  | Communications satellite | GTO | Success  |

## 1984

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  | Cape Canaveral Air Force Station 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  | Cape Canaveral Air Force Station LC-17B  | Galaxy-3  | Communications satellite | GTO | Success  |
1984-11-14
00:34  | Delta 3914  | 177  | Cape Canaveral Air Force Station LC-17A  | NATO-3D  | Military communications satellite  | GTO | Success  |

## 1986

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  | Cape Canaveral Air Force Station 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  | Cape Canaveral Air Force Station LC-17B  | Vector Sum Experiment (USA-19)  | Experimental on-orbit ASAT test satellite  | LEO | Success  |

## 1987

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  | Cape Canaveral Air Force Station LC-17A  | GOES-H (GOES-7)  | Weather Satellite  | GTO | Success  |
1987-03-20
22:22  | Delta 3920  | 182  | Cape Canaveral Air Force Station 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

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  | Cape Canaveral Air Force Station 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

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  | Cape Canaveral Air Force Station LC-17A  | NAVSTAR II-1  | GPS Block II [2][yes|permanent dead link|dead link}}] navigation satellite  | MEO | Success  | First Delta II launch
1989-03-24
21:50  | Delta 3920-8  | 183  | Cape Canaveral Air Force Station LC-17B  | Delta Star (USA-36)  | Experimental on-orbit ASAT test satellite  | LEO | Success  |
1989-06-10
22:30  | Delta II 6925  | 185  | Cape Canaveral Air Force Station LC-17A  | NAVSTAR II-2  | GPS Block II navigation satellite  | MEO | Success  |
1989-08-18
05:58  | Delta II 6925  | 186  | Cape Canaveral Air Force Station LC-17A  | NAVSTAR II-3  | GPS Block II navigation satellite  | MEO | Success  |
1989-08-27
22:59  | Delta 4925-8 [3] | 187  | Cape Canaveral Air Force Station 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  | Cape Canaveral Air Force Station LC-17A  | NAVSTAR II-4  | GPS Block II navigation satellite  | MEO | Success  |
1989-11-18
14:34  | Delta 5920-8 [4] | 189  | VAFB LC-2W  | COBE | Cosmology observation satellite  | LEO[1] | Success  |
1989-12-11
18:10  | Delta II 6925  | 190  | Cape Canaveral Air Force Station LC-17B  | NAVSTAR II-5  | GPS Block II navigation satellite  | MEO | Success  |

## References

1. ↑ COBE orbit

* "NSSDC Master Catalog". NASA. http://nssdc.gsfc.nasa.gov/nmc/sc-query.html.
* "History of the Delta Launch Vehicle". Kevin S. Forsyth. http://kevinforsyth.net/delta/.

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