Vega 2

Launch data: Designation  15449 / 84128A Launch date  21 Dec 1984 - 09:13:52 UT Launch site  B, LC-200/40 Launch vehicle  Proton-K/D-1 (8K82K) (#325-02/11S824M) Mission  Venus probe Satellite type  5VK N° 902 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 (15856 / 84128E), balloon (15857 / 84128F) at Venus on Jun 14, 1985.
• Flew by Venus at 24500 km on 1985 Jun 15.
• Flew by comet 1P/Halley at 8030 km on 1986 Mar 9.31.
• 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.