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Vega 2 Balloon
Constant-pressure instrumented balloon aerostat was deployed from the upper heat protection hemisphere of each if the two Vega lander craft immediately after entry into the atmosphere. Vega 2 Balloon was launched on December 21, 1984 aboard a Proton-K/D-1 from Baikonur. Latest status in GCAT: left for deep space attached to another object (Dec 21, 1984).
COSPAR 1984-128FNORAD 15857Soviet Union
Identity
- Name in GCAT
- AZ Vega-2
- Common name
- Vega 2 Balloon
- Payload designation
- Aerostatniy Zond
- International designator
- 1984-128F
- NORAD catalog number
- 15857
- GCAT identifier
- S15857
Mission
- Mission type
- Deep space
- Use
- Civil government
- Program
- 4V-1 AZ
- Owner
- IKI
- Country
- Soviet Union
- Builder
- NPO Lavochkin
- Platform (bus)
- Venera AZ
Launch
- Date
- December 21, 1984 · 09:13 UTC
- Launch record
- 1984-128Success
- Rocket
- Proton-K/D-1
- Spaceport
- Baikonur · pad LC200/40
Orbit and fate
- Orbit class (GCAT)
- EEO
- Perigee
- 180 km
- Inclination
- 51.60°
- Status
- Left for deep space attached to another object
- Status date
- December 21, 1984
- Last known active
- Jun 16, 1985
- End of operations
- Jun 16, 1985
Size
- Mass
- 21 kg
- Dry mass
- 21 kg
- Length
- 1.0 m
- Diameter
- 0.10 m
- Span
- 15.4 m
Deep space
- Deep-space catalog entry
- D00659
- Final central body
- Venus
- Phase start
- June 11, 1985
- Phase outcome
- Released · June 15, 1985
Flight phases
| From | Central body | Ended | Outcome | Next |
|---|---|---|---|---|
| Dec 21, 1984 | Earth | Dec 26, 1984 | Escaped to another body, attached | HCO |
| Jun 15, 1985 | Venus | Jun 17, 1985 | Reentered (orbital decay) | Venus |
Landings and impacts
| World | Type | Result | Touchdown | Site | Coordinates |
|---|---|---|---|---|---|
| Venus | Atmospheric craft (not designed to land) | Targeted impact | Jun 17, 1985 | — | -7.50, 76.30 |
Launched together
Source: GCAT payload, deep-space and lander catalogs, Jonathan C. McDowell (CC BY 4.0); Wikidata Q113129981 (CC0).