1966-095A
The Surveyor Mass Model 3 mission carried a simple mass model of the Surveyor probe aboard Centaur AC-9 for a demonstration of a two-burn Centaur lunar injection mission. Launch was at 1112:02 on 1966 Oct 26 from Cape Kennedy. Atlas SECO was early. After Atlas separation the Centaur, with two RL10YA3-3 engines, made its first burn for 340.5 seconds, 10s longer than planned, entering a 166 x 166 km parking orbit at 1124. The second Centaur burn was at 1148 UT for 106.3 seconds and left SM3 and Centaur AC-9 in a highly elliptical, 166 x 406200 km orbit. The SM3 instrumentation transmitted for 20 hours.
Launch azimuth was 99.7 SM-3 was 726 kg.
| AC-9 | |||
| Date | Time | Event | Orbit |
|---|---|---|---|
| 1966 Oct 26 | 1112:02 | Launch by AC-9 | CKAFS LC36B |
| T+2:20 Atlas BECO | |||
| Fairing and panels sep | |||
| Atlas SECO | |||
| Atlas sep | |||
| 1116:04 | T+4:02 Centaur MES-1, 5:40 | ||
| 1121:40 | T+9:38 Centaur MECO-1 | 87.80 167 x 174 x 29.6 | |
| Coast for 24:18 | |||
| 1145:58 | Centaur MES-2, 1:46 | ||
| 1147:44 | Centaur MECO-2, | ||
| Surveyor Model sep | 174 x 463425 x 29.6 | ||
| 165 x 470040 x 29.67 (GD) | |||
| Centaur retro | 170 x 339643 | ||
| Centaur orbit | 164 x 357071 x 29.66 (GD) | ||
| 1966 Oct 27 | 0700? | End of tx | |
| 1966 Nov 4 | 1545 | AC-9 first perigee | |
| 1966 Nov 9 | 0350? | SM-3 first perigee | |
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