Zond 3MV-1 No.2
Zond 3MV-1 No.2[3] (or No. 4A [4]), also known as Venera 1964A in the West, was a Soviet spacecraft, which was launched in 1964 as part of the Zond program. Due to a problem with its carrier rocket third stage, it failed to reach low Earth orbit.[4]
| Mission type | Venus flyby[1] |
|---|---|
| Operator | OKB-1[1] |
| COSPAR ID | 1964-F01 |
| SATCAT no. | 00277 |
| Mission duration | Launch failure |
| Spacecraft properties | |
| Spacecraft type | 3MV-1 |
| Manufacturer | Lavochkin |
| Launch mass | 800 kg (1,800 lb)[2] |
| Start of mission | |
| Launch date | 19 February 1964, 05:47:40 UTC[1] |
| Rocket | Molniya 8K78M s/n T15000-19T103-12 |
| Launch site | Baikonur 1/5[1] |
Launch
Zond 3MV-1 No.2 was launched at 05:47:40 UTC on 19 February 1964, atop a Molniya 8K78M carrier rocket flying from Site 1/5 at the Baikonur Cosmodrome.[3] During ascent, LOX entered an RP-1 duct due to a leaking valve and formed a glob of explosive gel, so when core separation and Blok I ignition began, the thrust section exploded. The remains of the stage and probe landed 52 miles (85 kilometers) north of the town of Barabinsk in Siberia.
References
- Siddiqi, Asif A. (2018). Beyond Earth: A Chronicle of Deep Space Exploration, 1958–2016 (PDF). The NASA history series (second ed.). Washington, DC: NASA History Program Office. pp. 37–38. ISBN 9781626830424. LCCN 2017059404. SP2018-4041.
- Krebs, Gunter. "Zond (3MV-1A #1, 2)". Gunter's Space Page. Retrieved 15 July 2017.
- McDowell, Jonathan. "Launch Log". Jonathan's Space Page. Retrieved 10 January 2011.
- Zak, Anatoly. "Russia's unmanned missions to Venus". RussianSpaceWeb.com. Archived from the original on 26 May 2011. Retrieved 10 January 2011.
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