VEGA 1 BALLOON
| Launched | 14 December 1984 |
| Flight ended | 8 June 1985 |
| Status | Decayed |
| Launch site | Tyuratam Missile and Space Center, Kazakhstan (Also known as Baikonur Cosmodrome) |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 15859 |
| COSPAR ID | 1984-125F |
| Observing |
Timeline
| 1984 Jun 9 | – | Descent module separated from flyby probe |
| 1984 Jun 11 | – | Descent module entered Venus's atmosphere |
| 1984 Jun 11 | – | Balloon deployed into Venus's atmosphere |
| 1984 Jun 11 | – | Lander mission ended |
| 1984 Jun 13 | – | Balloon mission ended |
| 1984 Dec 15 | – | Launch from Site 200/39 at the Baikonur Cosmodrome |
| 1986 Mar 6 | – | Flyby of Comet 1P/Halley |
| 1987 Jan 30 | – | Last contact with the flyby probe |