Discoverer 24

Mission type| Optical reconnaissance
Operator| US Air Force/NRO
Mission duration| Failed to orbit
Spacecraft properties
Spacecraft type| KH-5 Argon
Bus| Agena-B
Manufacturer| Lockheed
Launch mass| 1,150 kilograms (2,540 lb)
Start of mission
Launch date| 8 June 1961, 21:16 (1961-06-08UTC21:16Z) UTC
Rocket| Thor DM-21 Agena-B 302
Launch site| Vandenberg LC-1 launch pad 75-3-4
Orbital parameters
Reference system| Geocentric
Regime| Low Earth
Epoch| Planned

Discoverer

<- Discoverer 23

Discoverer 25 ->

KH-5 Series

<- Discoverer 23 (KH-5 2)

Discoverer 27 (KH-5 4) ->

The launch of Discoverer 24

Discoverer 24, also known as Corona 9018A, was an American area survey optical reconnaissance satellite which was launched in 1961 but failed to achieve orbit. It was a KH-5 Argon satellite, based on an Agena-B.[1] It was the third KH-5 to be launched.

The launch of Discoverer 24 occurred at 21:16 UTC on 8 June 1961. A Thor DM-21 Agena-B rocket was used, flying from launch pad 75-3-4 at the Vandenberg Air Force Base.[2] Thor performance was normal and cutoff and staging occurred on time, but the Agena suffered a massive power supply failure during ascent. Since the power failure had caused loss of Agena telemetry data, it was unclear exactly what happened following staging or if engine start ever occurred. Radar tracking indicated that the stage was on a ballistic trajectory and tumbling. It impacted the Pacific Ocean some 400 miles downrange.[3]

Discoverer 24 was to have operated in a low Earth orbit. It had a mass of 1,150 kilograms (2,540 lb),[4] and was equipped with a frame camera with a focal length of 76 millimetres (3.0 in), which had a maximum resolution of 140 metres (460 ft).[5] Images would have been recorded onto 127-millimeter (5.0 in) film, and returned in a Satellite Recovery Vehicle, before the satellite ceased operations. The Satellite Recovery Vehicle carried aboard Discoverer 24 was SRV-541.[4]

## References

1. ↑ Krebs, Gunter. "KH-5 Argon (Agena-B based)". Gunter's Space Page. http://space.skyrocket.de/doc_sdat/kh-5_ab.htm. Retrieved 22 June 2010.
2. ↑ McDowell, Jonathan. "Launch Log". Jonathan's Space Page. http://planet4589.org/space/log/launchlog.txt. Retrieved 22 June 2010.
3. ↑ Lindborg, Christina (9 September 2000). "KH-5 Argon". Federation of American Scientists. http://www.fas.org/spp/military/program/imint/kh-5.htm. Retrieved 22 June 2010.
4. ↑ 4.0 4.1 Wade, Mark. "KH-5". Encyclopedia Astronautica. Archived from the original on 13 January 2010. https://web.archive.org/web/20100113050812/http://astronautix.com/craft/kh5.htm. Retrieved 22 June 2010.
5. ↑ "Corona". Mission and Spacecraft Library. NASA. Archived from the original on 3 October 2007. https://web.archive.org/web/20071003082210/http://msl.jpl.nasa.gov/Programs/corona.html. Retrieved 22 June 2010.

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Discoverer satellites

* 1
* 2
* 3
* 4
* 5
* 6
* 7
* 8
* 9
* 10
* 11
* 12
* 13
* 14
* 15
* 16
* 17
* 18
* 19
* 20
* 21
* 22
* 23
* 24
* 25
* 26
* 27
* 28
* 29
* 30
* 31
* 32
* 33
* 34
* 35
* 36
* 37
* 38

* See also: Corona (satellite)
* KH-5 Argon

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* e

Key Hole satellites

KH-1 Corona|

* Discoverer 4
* Discoverer 5
* Discoverer 6
* Discoverer 7
* Discoverer 8
* Discoverer 9
* Discoverer 10
* Discoverer 11
* Discoverer 14
* Discoverer 15

KH-2 Corona'|

* Discoverer 16
* Discoverer 17
* Discoverer 18
* Discoverer 22
* Discoverer 25
* Discoverer 26
* Discoverer 28

KH-3 Corona'''|

* Discoverer 29
* Discoverer 30
* Discoverer 31
* Discoverer 32
* Discoverer 33
* Discoverer 34
* Discoverer 35
* Discoverer 36
* Discoverer 37

KH-4 Corona-M|

| KH-4|

* Discoverer 38
* FTV-1124
* FTV-1125
* FTV-1128
* FTV-1127
* FTV-1129
* FTV-1151
* FTV-1130
* FTV-1131
* FTV-1152
* FTV-1133
* FTV-1153
* FTV-1154
* FTV-1136
* FTV-1135
* FTV-1155
* FTV-1156
* OPS 0048
* OPS 0583
* OPS 0720
* OPS 0954
* OPS 0999
* OPS 1266
* OPS 2268
* OPS 2260
* OPS 1388

|

KH-4A|

* OPS 1419
* OPS 1353
* OPS 3467
* OPS 3444
* OPS 2921
* OPS 3483
* OPS 3754
* OPS 3491
* OPS 3042
* OPS 3497
* OPS 3333
* OPS 3559
* OPS 5434
* OPS 3360
* OPS 3358
* OPS 3928
* OPS 4782
* OPS 4803
* OPS 5023
* OPS 8425
* OPS 8431
* OPS 5543
* OPS 7208
* OPS 7221
* OPS 5325
* OPS 2155
* OPS 7249
* OPS 4639
* OPS 7291
* OPS 3488
* OPS 1612
* OPS 1508
* OPS 1778
* OPS 1599
* OPS 1703
* OPS 1545
* OPS 1866
* OPS 1664
* OPS 4750
* OPS 4779
* OPS 4696
* OPS 3559
* OPS 4827
* OPS 0562
* OPS 2243
* OPS 4849
* OPS 5343
* OPS 0165
* OPS 4740
* OPS 3722
* OPS 1101
* OPS 3531

KH-4B|

* OPS 5089
* OPS 1001
* OPS 1419
* OPS 5955
* OPS 1315
* OPS 3890
* OPS 3654
* OPS 6617
* OPS 0440
* OPS 4720
* OPS 4324
* OPS 4992
* OPS 3297
* OPS 5300
* OPS 5454
* OPS 5640
* OPS 6371

KH-5 Argon|

* Discoverer 20
* Discoverer 23
* Discoverer 24
* Discoverer 27
* FTV-1126
* FTV-1132
* FTV-1134
* OPS 1008
* OPS 1561
* OPS 2437
* OPS 2739
* OPS 3236

KH-6 Lanyard|

* OPS 0627
* OPS 0924
* OPS 1370

KH-7 Gambit|

* OPS 1467
* OPS 1947
* OPS 2196
* OPS 2372
* OPS 2423
* OPS 3435
* OPS 3743
* OPS 3592
* OPS 3684
* OPS 3802
* OPS 4262
* OPS 4036
* OPS 4384
* OPS 4439
* OPS 4703
* OPS 4920
* OPS 4983
* OPS 5236
* OPS 5501
* OPS 5810
* OPS 5698
* OPS 7208
* OPS 6232
* OPS 7253
* OPS 1184
* OPS 0879
* OPS 0910
* OPS 1950
* OPS 1577
* OPS 1850
* OPS 1832
* OPS 1686
* OPS 2055
* OPS 2070
* OPS 1890
* OPS 4399
* OPS 4321
* OPS 4360

KH-8 Gambit|

| KH-8|

* OPS 3401
* OPS 4096
* OPS 8968
* OPS 4204
* OPS 4243
* OPS 4282
* OPS 4886
* OPS 4941
* OPS 4995
* OPS 5000
* OPS 5028
* OPS 5057
* OPS 5105
* OPS 5138
* OPS 5187
* OPS 5247
* OPS 5296
* OPS 6518
* OPS 7585
* OPS 4248
* OPS 5310
* OPS 1077

|

KH-8A|

* OPS 7807
* OPS 8455
* OPS 6531
* OPS 2863
* OPS 6820
* OPS 7874
* OPS 7568
* OPS 7776
* OPS 7899
* OPS 8607
* OPS 7616
* OPS 1678
* OPS 6574
* OPS 8888
* OPS 3978
* OPS 2093
* OPS 4018
* OPS 6275
* OPS 6889
* OPS 1776
* OPS 304
* OPS 4883
* OPS 5499
* OPS 7600
* OPS 8533
* OPS 4915
* OPS 7471
* OPS 7164
* OPS 1166
* OPS 2849
* OPS 2925
* OPS 8424

KH-9 Hexagon|

* OPS 7809
* OPS 1737
* OPS 7293
* OPS 8314
* OPS 8410
* OPS 8261
* OPS 6630
* OPS 6245
* OPS 7122
* OPS 6381
* OPS 4428
* OPS 4699
* OPS 4800
* OPS 0460
* OPS 3854
* OPS 3123
* OPS 5642
* OPS 0721
* USA-2
* #1220

KH-10 Dorian|

* OPS 0855 (mockup)

KH-11 Crystal|

* OPS 5705
* OPS 4515
* OPS 2581
* OPS 3984
* OPS 9627
* USA-6
* #2101
* USA-27
* USA-33
* USA-86
* USA-116
* USA-129
* USA-161
* USA-186
* USA-224
* USA-245

See also
KH-12
Misty
Enhanced Imaging System
USA-53
USA-144

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Orbital launches in 1961

Samos 2 | Tyazhely Sputnik | Venera 1 | Explorer 9 | Discoverer 20 | Discoverer 21 | Transit 3B * LOFTI-1 | S-45 | Korabl-Sputnik 4 | Korabl-Sputnik 5 | Explorer 10 | Discoverer 22 | Discoverer 23 | Vostok 1 | Mercury-Atlas 3 | Explorer 11 | S-45A | Discoverer 24 | Discoverer 25 | Transit 4A * SOLRAD 3 * Injun 1 | S-55 | Discoverer 26 | TIROS-3 | Midas 3 | Discoverer 27 | Discoverer 28 | Vostok 2 | Explorer 12 | Ranger 1 | Explorer 13 | Discoverer 29 | Samos 3 | Discoverer 30 | Mercury-Atlas 4 | Discoverer 31 | Discoverer 32 | Midas 4 * Westford 1 | Discoverer 33 | DS-1 No.1 | Mercury-Scout 1 | Discoverer 34 | Discoverer 35 | Transit 4B * TRAAC | Ranger 2 | Samos 4 | Mercury-Atlas 5 | Zenit-2 No.1 | Discoverer 36 * OSCAR 1 | DS-1 No.2 | FTV-2203

Payloads are separated by bullets ( * ), launches by pipes ( | ). Crewed flights are indicated in bold text. Uncatalogued launch failures are listed in italics. Payloads deployed from other spacecraft are denoted in brackets.

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