1969-088A
The first DS-U3-IK satellite was launched on 1969 Oct 14 by the 11K63 Kosmos launch vehicle from GTsP4 (Kapustin Yar). It was given the code name Interkosmos-1. Interkosmos-1 carried solar monitors built in the USSR, the GDR and Czechoslovakia. UV and X-ray detectors observed the sun directly, while an optical photometer looked at the setting or rising sun through the Earth's atmosphere to detect absorption by atmospheric aerosols.
Size 2.64 long 2.88 dia. Mass 303 kg with 38 kg instruments.
| Interkosmos-1 | |||
| Date | Time | Event | Orbit |
|---|---|---|---|
| 1969 Oct 14 | 1340 | Launch by 11K63 Kosmos | GTsP4 |
| 1342 | Stage 2 burn | ||
| 1347? | Stage 2 sep | ||
| 93.3 254 x 626 x 48.4 | |||
| 1969 Oct 30 | End of operations | ||
| 1970 Jan 2 | Reentered | ||
Payload:
- FLA GDR Solar UV Lyman alpha photometer
- SPR-1 CSSR XR photometer
- OF CSSR aerosol absorption optical photometer
- GSF SSSR XR solar flare polarimeter, spectroheliograph
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