| Time
(UTC/GMT+0) | | Event |
|
|
| 1984-12-15 09:16 | | Launch |
|
| 1984-12-15 10:26 | | Injection into heliocentric orbit |
|
| 1985-06-09 | | Descent module separation |
|
| 1985-06-11 01:59:49 | | Descent module and ballon capsule atmospheric entry (125km altitude. 10.75km/sec) |
|
| 1985-06-11 02:00:27 | | Pilot chute deployment (Altitude: 65km) |
|
| 1985-06-11 02:00:38 | | Breaking parachute deployment. Upper heat protection hemisphere release. (Altitude: 64.5km) |
|
| 1985-06-11 02:00:42 | | Lower heat protection hemisphere release. (Altitude: 64.2km) |
|
| 1985-06-11 02:00:57 | | Cap and parachute release (63km) |
|
| 1985-06-11 02:01:37 | | Balloon atmospheric release. Pulled out of storage compartment (61km altitude. 8N 177E) |
|
| 1985-06-11 02:03:47 | | Second balloon parachute opened (Altitude 55km) |
|
| 1985-06-11 02:05:27 | | Balloon inflated. Followed by parachute and inflation system separation (Altitude 54km) |
|
| 1985-06-11 02:09:37 | | Lander parachute release. (Altitude: 47km) |
|
| 1985-06-11 02:10 | | Balloon balast jettison at altitude of 50km |
|
| 1985-06-11 02:21 | | Balloon reaches stable altitude at around 53.6km (+/- 500m) |
|
| 1985-06-11 03:02:54 | | Lander touchdown at 7.5N 177.7E |
|
| 1985-06-11 | | Bus flyby at Venus (39,000km) enroute to Halley |
|
| 1985-06-12 12:15 | | Balloon crosses night/day terminator. Distance floated: 8,500km b+37hr Crosses |
|
| 1985-06-13 00:33 | | Last signal sent from ballon. Battery failure. Distance travelled: 11,600km in 46.5 hours |
|
| 1986-02-10 | | Trajectory correction maneuvre |
|
| 1986-02-12 | | Instruments unlocked. 150 million km from Halley |
|
| 1986-02-14 | | Images of Jupiter (807 million km away) for callibration purposes |
|
| 1986-03-04 06:10 | | Image sequence of Halley. 14 million km away. |
|
| 1986-03-05 | | Image sequence of Halley. 7 million km away. |
|
| 1986-03-06 05:20 | | Switch to high-rate telemetry |
|
| 1986-03-06 06:13 | | First dust detector readings at 320000km |
|
| 1986-03-06 07:20:06 | | Closest approach to Halley (8,890km at 79.2km/sec) |