1972-005A
The HEOS-A2 satellite, built by MBB for ESRO, was a polar orbital launch to complement the HEOS-A1 mission by studying the polar magnetosphere and the interplanetary medium. The HEOS 2 mission was orbited by a Delta L from Vandenberg.
| HEOS 2 | |||
| Date | Time | Event | Orbit |
|---|---|---|---|
| 1972 Jan 31 | 1720:02 | Launch by Delta DSV-3L | V SLC2W |
| T+0:38 SRM out | |||
| T+1:40 SRM 1-3 sep | |||
| T+3:38 MECO | |||
| T+3:43 St 1 sep | |||
| 1723:45 | T+3:43 SES-1 6:09 | ||
| T+4:04 Fairing | |||
| 1729:55 | T+9:53 SECO-1 parking orbit | ||
| 1805:17 | T+45:15 SES-2 10.3s | ||
| 1805:27 | T+45:25 SECO-2 | 312 x 1125 x 89.80 | |
| 1806? | T+46? St 2 sep | ||
| 1806:12 | T+46:10 FW-4D TES 30s | ||
| 1806:43 | T+46:41 TECO | ||
| Despin | |||
| 1807:57 | T+47:55 St 3 sep | 405 x 240004 x 89.9 (TR1022) | |
| 1972 Feb 1 | 1108 | Pass EL1:4 | |
| 1972 Feb 11 | 0310 | 7061.74 653 x 230445 x 90.2 | |
| 1972 Mar 28 | 1907 | 7466.51 994 x 239335 x 90.0 | |
| 1974 Jan 25 | End of transmissions | ||
| 1974 Aug 2 | Reentered | ||
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