Tuesday, September 23, 1997

Venera 13

 1981-106A


4V-1 No. 760 (Venera-13) was launched in Oct 1981 as the first of two Venera-81 probes.


Venera-13 
 

DateTimeEventOrbit  

1981 Oct 30  0604  Launch by Proton-K  KB 
  T+2m St 1 sep 
  T+5m St 2 sep 
  T+5m GO sep 
 0613 T+9m St 3 MECO 
 0617? Blok-D burn 1 
 0619? Blok-D MECO-1 
 0724?  Blok-D burn 
 0727  Solar orbit injection  
 0732? Blok-D cutoff, solar orbit  180 x -61780? 
 1520  Pass EL1:4 
1981 Nov 3  0845? Pass L1 distance 
1981 Nov 10  0900 TCM 2.60m/s 
1982 Feb 21  0430 TCM 5.16m/s 
1982 Feb 27  0251  SA sep
 0253Divert burn 224.35m/s 
1982 Feb 26  1540  Enter Venus sphere 
1982 Mar 1  0351:51  Flyby 
1982 Mar 3  1600?  Exit Venus sphere 
1982 Jun 10  0400  Vega test burn 192m/s 107 x 168 Mkm x 5 deg 
1983 Jan  0.72 x 1.13 AU x 5.4 deg



1981-106D

Venera-13 landed at 7 30 S 303 05 W. At the landing site the temperature was 738 K and the pressure was 89.5 bar.


Venera-13 SA 
 

DateTimeEventOrbit  

1981 Oct 30   Launch  
1982 Feb 27  0251 Sep from Venera-13 
1982 Mar 1  0251  Entry 
 0255:00  Entry -18.7 deg 11.2 km/s 
 0255:40  Entry 125.0 km 11.194km/s -18.68 deg at 305.0 -6.5  -427 x -44046 x 135? 
  Braking at 65 km 
 0256:16 Parachute deployed

 

0309  Parachute sep 
 0357:21  Landed -7.5, 303 05  
 0358  Soil sampling
 0604  end of ops 

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