1980-028A
Kosmos-1172 was equipped with bipropellant RCS thrusters to maximize its maneuvering capability. It was the first Oko to actively switch nodes while in orbit.
| Kosmos-1172 | |||
| Date | Time | Event | Orbit |
|---|---|---|---|
| 1980 Apr 12 | 2018 | Launch by 8K78M | Plesetsk |
| BVGD sep | |||
| GO sep | |||
| T+4:46 Blok A sep | |||
| T+4:56 KhO sep | |||
| T+8:46 Blok-I MECO | |||
| 2026 | T+8:50 Blok-I sep | ||
| T+1:00? BOZ burn | |||
| 2118? | T+1:00? BOZ sep | ||
| 2BL burn | |||
| 2BL MECO | |||
| 2121? | T+1:03 2BL sep | ||
| 1980 Apr 12 | 726.0 608x40155x62.8 | ||
| 1980 Apr | 719.5 621x34822x62.8 | ||
| 1981 Feb 21-25 | mvr from node=90E/270E | ||
| 1981 Mar | mvr to node=120E/300E | ||
| 1982 Jun 10 | end of ops | ||
| 1997 Dec 23? | 28F (antenna?) detaches from spacecraft | ||
| 1997 Dec 24 | 1130 | reentered over Kerguelen I | |
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