List of Thor and Delta launches (1990–99)

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Between 1990 and 1999, there were 89 Thor-based rockets launched, of which 85 were successful, giving a 95.5% success rate.

Notable missions[edit]

Mars Pathfinder[edit]

Mars Climate Orbiter[edit]

Launch statistics[edit]

Rocket configurations[edit]

2.5
5
7.5
10
12.5
15
  •   Delta I (4000)
  •   Delta II (6000)
  •   Delta II (7000)
  •   Delta III (8000)
  •   H-1

Launch sites[edit]

2.5
5
7.5
10
12.5
15
1990
'91
'92
'93
'94
'95
'96
'97
'98
'99
  •   Cape Canaveral SLC-17A
  •   Cape Canaveral SLC-17B
  •   Vandenberg SLC-2W
  •   Tanegashima SLC-N

Launch outcomes[edit]

2.5
5
7.5
10
12.5
15
1990
'91
'92
'93
'94
'95
'96
'97
'98
'99
  •   Success
  •   Partial Failure
  •   Failure

Launch history[edit]

1990[edit]

There were 13 Thor missiles launched in 1990. All 13 launches were successful.

Flight № Date / time (UTC) Rocket,
Configuration
Launch site Payload Payload mass Orbit Customer Launch
outcome
191 January 24, 1990
22:55
Delta II 6925 CCAFS LC-17A USA-50 (GPS II-6) 840 kg MEO US Air Force Success
Navigation satellite
H-21 (F) February 7, 1990
01:33
H-I Tanegashima SLC-N MOS-1B (Momo-1B) / Oscar 20 / DEBUT LEO / SSO JAXA Success
Earth observation satellite / Amateur radio satellite / Technological demonstration
192 February 14, 1990
16:15
Delta II 6920-8 CCAFS LC-17B LACE [1]/ RME [2] 2470 kg LEO NASA Success
Military research
193 March 26, 1990
02:45
Delta II 6925 CCAFS LC-17A USA-54 (GPS II-7) 840 kg MEO US Air Force Success
GPS Block II satellite
194 April 13, 1990
22:28
Delta II 6925-8 CCAFS LC-17B Palapa B2R GTO NewSat Success
First commercial Delta II launch, Comsat
195 June 1, 1990
21:48
Delta II 6920-10 CCAFS LC-17A ROSAT [3] 2,421 kg LEO NASA Success
Space telescope
196 June 12, 1990
05:52
Delta 4925-8 CCAFS LC-17B INSAT 1D GTO Success
Comsat, Last Delta I launch
197 August 2, 1990
05:39
Delta II 6925 CCAFS LC-17A USA-63 (GPS II-8) 840 kg MEO US Air Force Success
Navigation satellite
198 August 18, 1990
00:42
Delta II 6925 CCAFS LC-17B Thor 1 [4] (BSB-R2) GTO Success
Comsat
H-22 (F) August 28, 1990
09:05
H-I Tanegashima SLC-N BS-3A (Yuri-3A) GTO Success
Direct broadcasting satellite
199 October 1, 1990
21:56
Delta II 6925 CCAFS LC-17A USA-64 (GPS II-9) 840 kg MEO US Air Force Success
Navigation satellite
200 October 30, 1990
23:16
Delta II 6925 CCAFS LC-17B Inmarsat-2 F1 GTO Inmarsat Success
200th Delta launch, Maritime comsat
201 November 26, 1990
21:39
Delta II 7925 [5] CCAFS LC-17A USA-66 (GPS IIA-1) 1,816 kg MEO US Air Force Success
First 7000-series launch, Navigation satellite

1991[edit]

There were 6 Thor missiles launched in 1991. All 6 launches were successful.

Flight № Date / time (UTC) Rocket,
Configuration
Launch site Payload Payload mass Orbit Customer Launch
outcome
202 January 8, 1991
00:53
Delta II 7925 CCAFS LC-17B NATO 4A [6] 1433.0 kg GTO NATO Success
Comsat
203 March 8, 1991
23:03
Delta II 6925 CCAFS LC-17B Inmarsat-2 F2 GTO Inmarsat Success
Comsat
204 April 13, 1991
00:09
Delta II 7925 CCAFS LC-17B ASC-2 (Spacenet F4) GTO Success
Communications satellite
205 May 29, 1991
22:55
Delta II 7925 CCAFS LC-17B Aurora 2 GTO Success
Communications satellite
206 July 4, 1991
02:32
Delta II 7925 CCAFS LC-17A USA-71 (GPS IIA-2) 1,816 kg MEO US Air Force Success
GPS Block IIA satellite
H-23 (F) August 25, 1991
08:40
H-I Tanegashima SLC-N BS-3B (Yuri-3B) GTO JAXA Success
Direct broadcasting satellite

1992[edit]

There were 12 Thor missiles launched in 1992. All 12 launches were successful.

Flight № Date / time (UTC) Rocket,
Configuration
Launch site Payload Payload mass Orbit Customer Launch
outcome
H-24 (F) February 11, 1992
01:50
H-I Tanegashima SLC-N JERS-1 (Fuyo) LEO / SSO JAXA Success
Final flight of Japanese license built Deltas; final use of Extended Long Tank Thor. Earth observation satellite
207 February 23, 1992
22:29
Delta II 7925 CCAFS LC-17B USA-79 (GPS IIA-3) 1,816 kg MEO US Air Force Success
Navigation satellite
208 April 10, 1992
03:20
Delta II 7925 CCAFS LC-17B USA-80 (GPS IIA-4) 1,816 kg MEO US Air Force Success
Navigation satellite
209 May 14, 1992
00:40
Delta II 7925 CCAFS LC-17B Palapa B4 GTO Indosat Success
Communications satellite
210 June 7, 1992
16:40
Delta II 6920-10 CCAFS LC-17A EUVE 3,275 kg LEO NASA Success
Space telescope
211 July 7, 1992
09:20
Delta II 7925 CCAFS LC-17B USA-83 (GPS IIA-5) 1,816 kg MEO US Air Force Success
Navigation satellite
212 July 24, 1992
14:26
Delta II 6925 CCAFS LC-17A GEOTAIL 980 kg HEO NASA Success
Final 6000-series launch, Earth observation satellite
213 August 31, 1992
10:41
Delta II 7925 CCAFS LC-17B Satcom C4 GTO Success
Communications satellite
214 September 9, 1992
08:57
Delta II 7925 CCAFS LC-17A USA-84 (GPS IIA-6) 1,816 kg MEO US Air Force Success
Navigation satellite
215 October 12, 1992
09:47
Delta II 7925 CCAFS LC-17B DFS Kopernikus 3 GTO Deutsche Bundespost Success
Communications satellite
216 November 22, 1992
23:54
Delta II 7925 CCAFS LC-17A USA-85 (GPS IIA-7) 1,816 kg MEO US Air Force Success
Navigation satellite
217 December 18, 1992
22:16
Delta II 7925 CCAFS LC-17B USA-87 (GPS IIA-8) 1,816 kg MEO US Air Force Success
Navigation satellite

1993[edit]

There were 7 Thor missiles launched in 1993. All 7 launches were successful.

Flight № Date / time (UTC) Rocket,
Configuration
Launch site Payload Payload mass Orbit Customer Launch
outcome
218 February 3, 1993
02:55
Delta II 7925 CCAFS LC-17A USA-88 (GPS IIA-9) 1,816 kg MEO US Air Force Success
Navigation satellite
219 March 30, 1993
03:09
Delta II 7925 CCAFS LC-17A USA-90 (GPS IIA-10)/SEDS-1 [7] 1,816 kg MEO/LEO US Air Force Success
Navigation satellite/Tether demonstration
220 May 13, 1993
00:07
Delta II 7925 CCAFS LC-17A USA-91 (GPS IIA-11) 1,816 kg MEO US Air Force Success
Navigation satellite
221 June 26, 1993
13:27
Delta II 7925 CCAFS LC-17A USA-92 (GPS IIA-12)/PMG 1,816 kg MEO/LEO US Air Force Success
Navigation satellite/Technology demonstration
222 August 30, 1993
12:38
Delta II 7925 CCAFS LC-17B USA-94 (GPS IIA-13) 1,816 kg MEO US Air Force Success
Navigation satellite
223 October 26, 1993
17:04
Delta II 7925 CCAFS LC-17B USA-96 (GPS IIA-14) 1,816 kg MEO US Air Force Success
Navigation satellite
224 December 8, 1993
00:48
Delta II 7925 CCAFS LC-17A NATO 4B GTO NATO Success
Communications satellite

1994[edit]

There were 3 Thor missiles launched in 1994. All 3 launches were successful.

Flight № Date / time (UTC) Rocket,
Configuration
Launch site Payload Payload mass Orbit Customer Launch
outcome
225 February 19, 1994
23:45
Delta II 7925-8 CCAFS LC-17B Galaxy 1R GTO Intelsat Success
Communications satellite
226 March 10, 1994
03:40
Delta II 7925 CCAFS LC-17A USA-100 (GPS IIA-15)/SEDS-2 1,816 kg MEO/LEO US Air Force Success
Navigation satellite/Tether demonstration
227 November 1, 1994
09:31
Delta II 7925-10 CCAFS LC-17B Wind 1,195 kg Heliocentric NASA Success
Solar research

1995[edit]

There were 3 Thor missiles launched in 1995. 2 of the 3 launches were successful, giving a 66.7% success rate.

Flight № Date / time (UTC) Rocket,
Configuration
Launch site Payload Payload mass Orbit Customer Launch
outcome
228 August 5, 1995
11:10
Delta II 7925-9.5 CCAFS LC-17B Koreasat 1 711 kg GTO KT Corporation Partial failure
Communications satellite, One SRB failed to separate, retarding the booster's orbital velocity. Spacecraft eventually reached correct orbit but with substantially shortened operational life.
229 November 4, 1995
14:22
Delta II 7920-10 VAFB SLC-2W RADARSAT-1 and SURFSAT 2,750 kg Geocentric CSA Success
Communications satellite, First Delta II launch from Vandenberg
230 December 30, 1995
13:48
Delta II 7920-10 CCAFS LC-17A XTE 3,200 kg LEO NASA Success
Communications satellite

1996[edit]

There were 10 Thor missiles launched in 1996. All 10 launches were successful.

Flight № Date / time (UTC) Rocket,
Configuration
Launch site Payload Payload mass Orbit Customer Launch
outcome
231 January 14, 1996
11:10
Delta II 7925 CCAFS LC-17B Koreasat-2 Success
232 February 17, 1996
20:43
Delta II 7925-8 CCAFS LC-17B NEAR 487 kg Heliocentric NASA Success
Asteroid orbiter
233 February 24, 1996
11:24
Delta II 7925-10 VAFB SLC-2W Polar 1,300 kg Geocentric NASA Success
Earth observation satellite
234 March 28, 1996
00:21
Delta II 7925 CCAFS LC-17B USA-117 (GPS IIA-16) 1,816 kg MEO US Air Force Success
Navigation satellite
235 April 24, 1996
12:27
Delta II 7920-10 VAFB SLC-2W MSX 2,700 kg Geocentric BMDO Success
Infra-red telescope
236 May 24, 1996
01:10
Delta II 7925 CCAFS LC-17B Galaxy 9 700 kg GSO PanAmSat / Intelsat Success
Communications satellite
237 July 16, 1996
00:50
Delta II 7925 CCAFS LC-17A USA-126 (GPS IIA-17) 1,816 kg MEO US Air Force Success
Navigation satellite
238 September 12, 1996
08:49
Delta II 7925 CCAFS LC-17A USA-128 (GPS IIA-18) 1,816 kg MEO US Air Force Success
Navigation satellite
239 November 7, 1996
17:00
Delta II 7925 CCAFS LC-17A Mars Global Surveyor 1,030.5 kg Heliocentric NASA Success
Mars orbiter
240 December 4, 1996
06:58
Delta II 7925 CCAFS LC-17B Mars Pathfinder 264 kg Heliocentric NASA Success
Mars lander and rover

1997[edit]

There were 11 Thor missiles launched in 1997. 10 of the 11 launches were successful, giving a 90.9% success rate.

Flight № Date / time (UTC) Rocket,
Configuration
Launch site Payload Payload mass Orbit Customer Launch
outcome
241 January 17, 1997
16:28
Delta II 7925-9.5 CCAFS LC-17A GPS IIR-1 2,030 kg Planned:
MEO
US Air Force Failure
Exploded 13 seconds after launch due to SRB failure.[1] Navigation satellite
242 May 5, 1997
14:55
Delta II 7920-10C VAFB SLC-2 MS-1 LEO Iridium Success
Five Iridium satellites
243 May 20, 1997
22:39
Delta II 7925-9.5 CCAFS LC-17A Telenor Thor II 1467 kg GTO Telenor Success
Hughes HS 376 satellite
244 July 9, 1997
13:04
Delta II 7920-10C VAFB SLC-2W MS-2 LEO Iridium Success
Five Iridium satellites
245 July 23, 1997
03:43
Delta II 7925-9.5 CCAFS LC-17A USA-132 (GPS IIR-2) 2,032 kg MEO US Air Force Success
Navigation satellite
246 August 21, 1997
00:38
Delta II 7920-10C VAFB SLC-2W MS-3 LEO Iridium Success
Five Iridium satellites
247 August 25, 1997
14:39
Delta II 7920-8 CCAFS LC-17A Advanced Composition Explorer (ACE) 562 kg Heliocentric NASA Success
Solar wind and cosmic-ray research
248 September 27, 1997
01:23
Delta II 7920-10C VAFB SLC-2W MS-4 LEO Iridium Success
Five Iridium satellites
249 November 6, 1997
00:30
Delta II 7925 CCAFS LC-17A USA-134 (GPS IIA-19) 2,032 kg MEO US Air Force Success
Navigation satellite
250 November 9, 1997
01:34
Delta II 7920-10C VAFB SLC-2W MS-5 LEO Iridium Success
Five Iridium satellites
251 December 20, 1997
13:16
Delta II 7920-10C VAFB SLC-2W MS-6 LEO Iridium Success
Five Iridium satellites

1998[edit]

There were 13 Thor missiles launched in 1998. 12 of the 13 launches were successful, giving a 92.3% success rate.

Flight № Date / time (UTC) Rocket,
Configuration
Launch site Payload Payload mass Orbit Customer Launch
outcome
252 January 10, 1998
00:32
Delta II 7925-9.5 CCAFS SLC-17B Skynet 4D Astrium Services Success
253 February 14, 1998
14:34
Delta II 7420-10C CCAFS SLC-17A Globalstar-1 550 kg LEO Globalstar Success
Four SS/L satellites
254 February 18, 1998
13:58
Delta II 7920-10C VAFB SLC-2W MS-7 LEO Iridium Success
Five Iridium satellites
255 March 30, 1998
06:02
Delta II 7920-10C VAFB SLC-2W MS-8 LEO Iridium Success
Five Iridium satellites
256 April 24, 1998
22:38
Delta II 7420-10C CCAFS SLC-17A Globalstar-2 550 kg LEO Globalstar Success
Four SS/L satellites
257 May 17, 1998
21:16
Delta II 7920-10C VAFB SLC-2W MS-9 LEO Iridium Success
Five Iridium satellites
258 June 10, 1998
00:35
Delta II 7925-9.5 CCAFS SLC-17A Thor III GEO Telenor Success
259 August 27, 1998
01:17
Delta III 8930 CCAFS SLC-17B Galaxy 10 700 kg GTO PanAmSat / Intelsat Failure
Maiden flight of Delta III, Destroyed by range safety after control problems and depletion of hydraulic fluid, Communications satellite
260 September 8, 1998
21:13
Delta II 7920-10C VAFB SLC-2W MS-10 LEO Iridium Success
Five Iridium satellites
261 October 24, 1998
12:08
Delta II 7326 CCAFS SLC-17A Deep Space 1 373 kg Heliocentric NASA Success
Satellite Technology
262 November 6, 1998
13:37
Delta II 7920-10C VAFB SLC-2W MS-11 LEO Iridium Success
Five Iridium satellites
263 November 22, 1998
23:54
Delta II 7925-9.5 CCAFS SLC-17B BONUM-1 Success
264 December 11, 1998
18:45
Delta II 7425 CCAFS SLC-17A Mars Climate Orbiter 338 kg Heliocentric NASA Success
Payload later failed, Mars orbiter

1999[edit]

There were 11 Thor missiles launched in 1999. 10 of the 11 launches were successful, giving a 90.9% success rate.

Flight № Date / time (UTC) Rocket,
Configuration
Launch site Payload Payload mass Orbit Customer Launch
outcome
265 January 3, 1999
20:21
Delta II 7425 CCAFS SLC-17B Mars Polar Lander 290 kg Heliocentric NASA Success
Payload later failed, Mars lander
266 February 7, 1999
21:04
Delta II 7426 CCAFS SLC-17A Stardust 305.397 kg Heliocentric NASA Success
Comet probe
267 February 23, 1999
10:29
Delta II 7920-10 VAFB SLC-2W ARGOS (P91-1 ARGOS), Ørsted and SUNSAT 2,450 kg Polar orbit AFRL / NRL / STP Success
At a mission cost of $220M, ARGOS, with its nine payloads, was the USAF's largest R&D mission. Both Ørsted and SUNSAT were their respective countries first satellites. Research and development, scientific
268 April 15, 1999
18:32
Delta II 7920-10 VAFB SLC-2W Landsat 7 2,200 kg SSO NASA Success
269 May 5, 1999
01:00
Delta III 8930 CCAFS SLC-17B Orion 3 4,300 kg GTO Loral Failure
Second stage engine failure. Payload placed into LEO, Communications satellite
270 June 10, 1999
13:48
Delta II 7420-10C CCAFS SLC-17B Globalstar 3 550 kg LEO Globalstar Success
271 June 24, 1999
15:44
Delta II 7320-10 CCAFS SLC-17A FUSE 1,360 kg LEO NASA Success
Space telescope
272 July 10, 1999
08:45
Delta II 7420-10C CCAFS SLC-17B Globalstar 4 550 kg LEO Globalstar Success
273 July 25, 1999
07:46
Delta II 7420-10C CCAFS SLC-17A Globalstar 5 550 kg LEO Globalstar Success
274 August 17, 1999
04:37
Delta II 7420-10C CCAFS SLC-17B Globalstar 6 550 kg LEO Globalstar Success
275 October 7, 1999
12:51
Delta II 7925-9.5 CCAFS SLC-17A USA-145 (GPS IIR-3) 2,032 kg MEO US Air Force Success
Navigation satellite

References[edit]

  1. ^ "Unmanned rocket explodes after liftoff". CNN. 17 January 1997. Retrieved 2019-08-14.