Vega 1

Launch data: Designation  15432 / 84125A Launch date  15 Dec 1984 - 09:16:24 UT Launch site  B, LC-200/39 Launch vehicle  Proton-K/D-1 (8K82K) (#329-01/11S824M)) Mission  Venus probe Satellite type  5VK N° 901 Heliocentric (Solar) orbit Perihelion / Aphelion  0.70 x 0.98 A.U. Eccentricity  0.17 Inclination  2.3? deg Period  281 days

Vega lander - Credit: Andy Salmon

Spacecraft data: Prime contractor  Lavochkin Operator   Platform   Mass at launch  4000 kg Dry Mass  2420? kg (empty) Basic shape  Cylinder + 2 panels Dimensions (m)  2.7 long - 2.3 dia - 5.7 span Solar array   Stabilization   DC power   Design lifetime  Indefinite

Vega schema

Mission:

• Deployed lander (15858 / 84125E), balloon (15859 / 84125F) at Venus on Jun 10, 1985.
• Flew by Venus at 39000 km on 1985 Jun 11.
• Flew by Comet 1P/Halley at 8890 km on 1986 Mar 6.31
• Solar Orbit (Heliocentric). Investigations of the planet Venus and Halley's Comet. Fitted with scientific apparatus and equipment built in the USSR, Austria, Bulgaria, Hungary, German Democratic Republic, Poland, France, Federal Republic of Germany and C zechoslovakia.