Sunday, October 10, 1971

OV2-05

 1968-081A


OV2-5 was launched on flight P67-2 of the Space Test Program. The OV2-5 satellite was intended to carry out the ORBIS HIGH ionospheric beacon experiment, but the satellite apparently malfunctioned. The SSD-651, SSD-602 and SSD-606 returned good data; SSD-605 and SSD-607 failed. It appears that the magnetometer booms did not deploy correctly.

Total Titan 3C payload was 531 kg.


OV2-5 
 

DateTimeEventOrbit  

1968 Sep 26  0737:01  Launch by Titan 3C  CK 
  T+0:02:01 SRM sep 
  T+0:02? St 1 burn 
  T+0:04:17 St 1 sep 
  T+0:04:41 Fairing sep
  T+0:07:38 Titan Stage 2 MECO   
 0744  T+7:51 Transtage burn 1   
 0745  T+8:08 MECO-1 150? x 180? x 28.6?  
 0844? Transtage MES-2  
 0849? Transtage MECO-2  
1968 Sep 26    630.3 184 x 35787 x 26.4 (RAE) 
 0850? OV5-2 released 
 1359? Transtage MES-3 circ burn 
 1400? MECO-3 
  S+0:00 OV5-4 released at 1.5m/s perpendicular 
 1400? S+0:17 LES 6 released at 1.2m/s in opposite dir 
 1401? Transtage MES-4 lower orbit to sub-synch, 32s 8.8m/s 
 1401? MECO-4 
 1401? MECO-4 + 17s OV2-5 released at 1m/s  1417.9 35116 x 35816 x 2.9 
  
1968 Nov 26    1417.98 35064 x 35798 x 2.9 

Payload:

  • SSD-601 Electron flux monitor

  • SSD-602 Particle spectrometer

  • SSD-605 Very high energy particles

  • SSD-606 Low Energy Particles

  • SSD-607 Low Energy Spectrometer

  • SSD-609 Angular Distribution of Electrons

  • SSD-610 VLF antenna

  • SSD-651 Lyman Alpha scanning photometer

Saturday, October 2, 1971

Corona 71

 1963-037A


The second KH-4A mission was also only partially successful. The first SRV, from Mission 1002-1, was recovered on Sep 27; the film showed severe light leaks. However according to the McDonald review the second SRV was `lost'. The CORONA internal program history records `commands failed - decoder failure in vehicle', and apparently the vehicle could not be reactivated after being placed in zombie mode. This implies that the second SRV was not separated from CORONA. After this the KH-4A series was postponed for several months, and the CORONA problem ran into trouble as nine months passed with only one successful flight.


KH-4A Mission 1002 
 

DateTimeEventOrbit  

1963 Sep 23  2300  Launch by TAT Agena D  V Pad 2 
 2301  Castor sep (T+1:05)  
 2302  Thor MECO (T+2:27) 
 2302  Thor VECO (T+2:35) 
 2302  Thor sep (T+2:40) 
 2302  Agena burn (T+2:47) 
 2306  Agena MECO (T+6:50)  90.6 184 x 439 x 74.9 (VCR) 
1963 Sep 24  0230   90.63 161 x 441 x 74.9 (RAE) 
1963 Sep 24  0259   90.59 159 x 442 x 74.9 
1963 Sep 25  0309   90.52 172 x 428 x 74.9 
1963 Sep 26  2126   90.46 173 x 320 x 74.9 
1963 Sep 27  0056? Mission 1002-1 complete 
 0058:24 SRV-1 sep, deorbit rev 49 
 0058:34  Retro 
 0058:46  T/C sep 
 0107:33  Main parachute out 
 0134 SRV-1 recovered in mid air 
 0800?  Rev 54, activate zombie mode  
1963 Sep 29  0944   90.22 175 x 395 x 75.0 
1963 Oct 4  0020?  
 0300  Rev 165, failed to exit zombie mode  
1963 Oct 4   Mission 1002-2 failed to start 
  SRV-2 not separated 
1963 Oct 10  1900   88.64 150 x 282 x 74.9 (RAE) 
1963 Oct 11  2301   87.60 141 x 170 x 74.9 
1963 Oct 12  0200?  Reentered 

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