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Mars 2MV-1

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Mars 2MV-1
Part of 2MV Family
Mars 1 / 2MV-4
Mars 1 / 2MV-4
Mars 2MV-4. Other spacecraft in the 2MV series were similar.
Credit: NASA
Russian Venus probe.
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AKA: 2MV; 2MV-1. Status: Operational 1962. First Launch: 1962-08-25. Last Launch: 1962-09-01. Number: 2 . Gross mass: 890 kg (1,960 lb).

Family: Venus. Country: Russia. Spacecraft: Vostok. Launch Vehicles: R-7, Molniya 8K78. Projects: Venera. Launch Sites: Baikonur, Baikonur LC1. Agency: Korolev bureau. Bibliography: 2, 6, 64, 65.

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VeneraVenera
Credit: Manufacturer Image
1962 August 25 - . 02:18 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC1. LV Family: R-7. Launch Vehicle: Molniya 8K78. FAILURE: At T+60 min 50 sec one of the four solid motors of the escape stage's BOZ unit did not fire. The resulting asymmetric torque caused the stage to lose correct attitude and three seconds after ignition of the main engine S1.5400A1 it began to tumble.. Failed Stage: U.
  • Sputnik 19 - . Payload: 2MV-1 s/n 1. Mass: 890 kg (1,960 lb). Nation: Russia. Related Persons: Kuznetsova, Ponomaryova, Solovyova, Tereshkova, Yerkina. Agency: RVSN. Program: Venera, Vostok. Class: Venus. Type: Venus probe. Spacecraft Bus: 2MV. Spacecraft: Mars 2MV-1. Decay Date: 1962-08-28 . USAF Sat Cat: 371 . COSPAR: 1962-A-Pi-1. Apogee: 252 km (156 mi). Perigee: 173 km (107 mi). Inclination: 64.9000 deg. Period: 88.70 min.

    Attempt to launch a probe towards Mars. The launch went well, but the fourth stage motor burnt for only 45s of the planned 240s. The stage remained in Earth orbit. However Kamanin notes that it was good that the launch of the basic vehicle was a success - it gave the visiting female cosmonauts confidence in the rocket they will have to ride.

1962 September 1 - . 02:12 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC1. LV Family: R-7. Launch Vehicle: Molniya 8K78. FAILURE: At T+ 61 min 30 sec the fuel valve did not open.; the ignition command was blocked from going to the main engine of Stage 4.. Failed Stage: U.
  • Sputnik 20 - . Payload: 2MV-1 s/n 2. Mass: 6,500 kg (14,300 lb). Nation: Russia. Agency: RVSN. Program: Venera. Class: Venus. Type: Venus probe. Spacecraft Bus: 2MV. Spacecraft: Mars 2MV-1. Decay Date: 1962-09-06 . USAF Sat Cat: 381 . COSPAR: 1962-A-Tau-1. Apogee: 246 km (152 mi). Perigee: 185 km (114 mi). Inclination: 64.7000 deg. Period: 88.80 min.
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