SAMOS 2

USA


Orig PL Name: SAMOS-E1 n2

Launch data:

Designation 00070 / 1961 Alpha 1 / 61001A
Launch date 31 Jan 1961 - 20:21 UT
Launch site PA, LC1-1
Launch vehicle  Atlas-LV3 Agena-A (#70D)
Mission 
Perigee / Apogee  km
Inclination °
Period  min

SAMOS 2 (Agena 2102), launched in January 1961, was one of the few successful missions, but its photos were disappointing. It reportedly operated for a month. Orbit mass of SAMOS and Agena totalled 1915 kg. SAMOS 2 was part of the Program 101 series. The third Program 101 satellite, Agena 2103, was never launched.

DateTimeEventOrbit  

1961 Jan 31   2021:19   Launch by Atlas Agena A   NMFPA 
  2023:42   BECO (T+2:23) 
  2025:18   SECO (T+3:59) 
  2025:37   VECO (T+4:18) 
  2025:39   Atlas sep (T+4:20) 
  2029:36   Agena burn (T+8:17) 
  2031:33   Agena MECO (T+10:14)   480 x 576 x ? (VCR)  
   Agena A sep 
1961 Feb 2     94.91 474 x 554 x 97.4 
1961 Mar 28     94.89 474 x 552 x 97.4 
1961 Mar    End of transmissions 
1967 Apr 5     94.53 463 x 528 x 97.3 
1971 Dec 15     92.62 386 x 418 x 97.2 
1973 Jun 28     90.62 298 x 311 x 97.2 
1973 Oct 21    Reentered 

Payload:


Decay:

Out of service:  Mar 1961
Cause:  
Descent date:  21 Oct 1973
Lifetime: 

Ref: #1, #7 - update: 30.11.04