1967-127A
The first US-A satellite was launched on the second 11K67 test flight. The two stage R-36 delivered the US-A payload onto a suborbital trajectory; the engine unit (DU) on the US-A fired for the orbit insertion burn, and the satellite entered a 249 x 270 km orbit; Somewhat later the dummy reactor section, using chemical batteries, was separated and its orbit was raised to 900 km. Two objects remained in the low orbit; they are believed to be the DU engine section and the radar section.
| Kosmos-198 | |||
| Date | Time | Event | Orbit |
|---|---|---|---|
| 1967 Dec 27 | 1128:51 | Launch by 11K67 | KB |
| 1131? | Stage 2 burn | ||
| 1134? | Stage 2 sep | ||
| 1135? | DU burn | ||
| 1139? | DU cutoff | ||
| 1200? | Stage 2 impact | ||
| 1248 | 89.85 264 x 269 x 65.1 | ||
| 1957? | DU and radar sep | ||
| 1957 | DV1? | 262 x 945 | |
| 2044 | DV2? | ||
| 1967 Dec 28 | 1244 | (Radar) | 89.62 239 x 271 x 65.1 |
| 1967 Dec 29 | 0639 | (DU) | 89.46 240 x 254 x 65.1 |
| 1967 Dec 29 | 1900 | 103.46 894 x 949 x 65.2 | |
| 1967 Dec 31 | 0903 | (DU) | 88.09 168 x 191 x 65.1 |
| 1968 Jan 20 | 1106 | (Radar) | 87.66 153 x 163 x 65.1 |
| 1998 May 15 | 103.38 888 x 948 x 65.1 | ||
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