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Kind: Planetary science including lander and atmospheric probe

State: successful

Place: Venus

Operator: Soviet Academy of Sciences



Duration: ~2 days (balloon), 2 years, 1 month, 15 days (from launch to out of attitude control propellant)

Mission Ending

Last Contact: Jan. 30, 1987


Rocket: Proton 8K82K

Kind: Soviet Academy of Sciences

Manufacturer: NPO Lavochkin

Mass: Spacecraft: 4,920 kg (10,850 lb)Balloon: 21.5 kg (47 lb)

Launch Site: Baikonur 200/39


1º Flyby: Venus

2º Flyby: 1P/Halley


Reference System: Geocentric


Place: Venus

Region: 7°30′N 177°42′E / 7.5°N 177.7°E / 7.5, 177.7 (Vega 1) (north of Aphrodite Terra)

Date: 03:02:54, June 11, 1985

Component: Vega 1 Descent Craft

Vega 1 (along with its twin Vega 2) is a Soviet space probe part of the Vega program. The spacecraft was a development of the earlier Venera craft. They were designed by Babakin Space Centre and constructed as 5VK by Lavochkin at Khimki. The name VeGa (ВеГа) combines the first two letters Russian words for Venus (Венера: "Venera") and Halley (Галлея: "Galleya"). The craft was powered by twin large solar panels and instruments included an antenna dish, cameras, spectrometer, infrared sounder, magnetometers (MISCHA), and plasma probes. The 4,920 kg craft was launched by a Proton 8K82K rocket from Baikonur Cosmodrome, Tyuratam, Kazakh SSR. Both Vega 1 and 2 were three-axis stabilized spacecraft. The spacecraft were equipped with a dual bumper shield for dust protection from Halley's comet.