Gorizont 1 (11L), maiden flight of the Soviet KAUR-3 geostationary communications satellite for civil/military TV, telephone, and relay services. Proton-K/DM from Baikonur; Block DM misalignment left it in a highly elliptical inclined orbit instead of GEO.
- Outcome
- Partial
- Orbit
- Direct-GEO
- Geostationary orbit
- Payload to orbit
- 2.1 T
- Flight
- 13th
- of 66 Proton-K/DM flights
- Date and time
- 19 December 1978, 12:15 UTC
- Rocket
- Proton-K/DM
- Builder
- Khrunichev
- Launch site
- 200/40, Baikonur Cosmodrome, Republic of Kazakhstan
- Payload
- Communications
- International designator
- 1978-118
- Launches in 1978
- 122nd of 128
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