Control from Helios CMP at CNES/CST. Mass 2544 kg. Matra Marconi Space. Used Ariane medium fairing 02.
| Helios 1B | |||
| Date | Time | Event | Orbit |
|---|---|---|---|
| 1999 Dec 3 | 1622 | Launch by Ariane 40 V124 | CSG ELA2 |
| T+2:56 Stage 1 sep | |||
| T+2:59 Stage 2 burn | |||
| T+3:45 Fairing 02 sep | |||
| T+5:13 Second stage sep | |||
| T+5:18 Stage 3 (H10-3) burn | |||
| T+18:08 Stage 3 MECO | |||
| T+18:20 Helios 1B sep | |||
| T+21:53 Clementine sep | |||