Venera 9

Venera 9
Model of Venera 9 lander
Mission typeVenus orbiter / lander
OperatorLavochkin
COSPAR ID1975-050A
1975-050D
SATCAT no.7915
8411
Mission durationOrbiter: 158 days
Lander: 53 minutes
Launch to last contact: 292 days
Spacecraft properties
Spacecraft4V-1 No. 660
ManufacturerLavochkin
Launch mass4,936 kg (10,882 lb)[1]
Landing mass1,560 kg (3,440 lb)
Payload mass660 kg (1,455 lb)
Start of mission
Launch date June 8, 1975, 02:38 (1975-06-08UTC02:38) UTC[2]
RocketProton-K/D[2]
Launch siteBaikonur 81/24
End of mission
Last contactOrbiter primary mission: March 22, 1976 (1976-03-23)[3]
Lander: October 22, 1975 (1975-10-23)
Orbital parameters
Reference systemCytherocentric
Eccentricity0.89002
Pericytherion altitude7,625 km (4,738 mi)
Apocytherion altitude118,072 km (73,367 mi)
Inclination29.5 degrees
Period48.3 hours
Venus orbiter
Spacecraft componentOrbiter
Orbital insertionOctober 20, 1975
Venus lander
Spacecraft componentLander
Landing dateOctober 22, 1975, 05:13 UTC
Landing site31°01′N 291°38′E / 31.01°N 291.64°E / 31.01; 291.64
(near Beta Regio)

Stamp of Venera 9

Venera 9 (Russian: Венера-9, lit.'Venus-9'), manufacturer's designation: 4V-1 No. 660,[4] was a Soviet uncrewed space mission to Venus. It consisted of an orbiter and a lander. It was launched on June 8, 1975, at 02:38:00 UTC and had a mass of 4,936 kilograms (10,882 lb).[5] The orbiter was the first spacecraft to orbit Venus, while the lander was the first to return images from the surface of another planet.[6]

  1. ^ Siddiqi, Asif (2018). Beyond Earth: A Chronicle of Deep Space Exploration, 1958–2016 (PDF) (second ed.). NASA History Program Office.
  2. ^ a b McDowell, Jonathan. "Launch Log". Jonathan's Space Page. Retrieved April 11, 2013.
  3. ^ 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. 127–128. ISBN 978-1-62683-042-4. LCCN 2017059404. SP2018-4041.
  4. ^ "History of the Venera 75 project". RussianSpaceWeb.com.
  5. ^ "Venera 9". NASA Space Science Data Coordinated Archive. Retrieved April 13, 2013.
  6. ^ "Solar System Exploration Multimedia Gallery: Venera 9". NASA. Archived from the original on August 3, 2009. Retrieved August 7, 2009.

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