1965-064A
The Atlas Centaur AC-6 mission successfully demonstrated the Surveyor direct ascent launch profile and the MA-5 engine. Liftoff was on 1965 Aug 11 at 1431:06. The Centaur stage made a single burn at 1435:12 for 7 min 12 sec and injected the Surveyor Dynamic Model D-2 spacecraft into a 168 x 820493 km x 28.6 deg orbit. The 945 kg SD-2, which was a detailed Surveyor spaceframe dynamic model with a dummy solar panel, antenna and retromotor, transmitted until 1030 on Aug 12. The equipment was mounted on the dummy retro. Centaur test flights would henceforth concentrate on proving the two-burn mission profile.
| SD-2/AC-6 | |||
| Date | Time | Event | Orbit |
|---|---|---|---|
| 1965 Aug 11 | 1431:04 | Launch by AC-6 | CC LC36 |
| 1433:26 | T+2:22 BECO 58 km | -5991 x 122 | |
| 1433:29 | T+2:25 Booster sep | ||
| T+2:51 Insulation sep | -5911? x 125? | ||
| T+3:16 Fairing sep | -5794? x 175? | ||
| 1435 | T+3:54 Atlas SECO 142 km | -5540 x 193 | |
| 1435 | T+3:56 Atlas sep | ||
| 1435:12 | T+4:03 Centaur MES | ||
| T+8:20 | -2914 x 244 | ||
| T+10:00 | 181? x 2850? | ||
| 1442:19 | T+11:19 Centaur MECO | ||
| 1443:32 | SD-2 sep | ||
| 1965 Aug 11 | 1443:32 | SD-2 orbit | 166 x 815085 x 28.56 (GD) |
| 1445:33 | Centaur retro venting | ||
| 1501 | AC-6 retro end, post retro | 166 x 815042 x 28.56 | |
| 1965 Aug 28 | 0002 | SD-2 first apogee, 830866 | |
| 1965 Sep 9 | 2200? | SD-2 lunar flyby 66000 km | |
| 1965 Sep 13 | 0451 | SD-2 perigee 2 | 33845 x 1013422 |
| 1965 Oct 4 | 1416 | SD-2 apogee 2 1013422 km | |
| 1965 Oct 27 | 0617 | SD-2 perigee 3, 96942 km | 96942 x 982222 |
| 1965 Nov 18 | 1712 | SD-2 apogee 3 at 982222 km | |
| 1967 Oct 31 | In solar orbit | ||
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