Venera-11 — launch
Date in UTC
The Venera 11 was a Soviet uncrewed space mission which was part of the Venera program to explore the planet Venus. Venera 11 was launched on 9 September 1978 at 03:25:39 UTC. Separating from its flight platform on December 23, 1978 the lander entered the Venus atmosphere two days later on December 25 at 11.2 km/s. During the descent, it employed aerodynamic braking followed by parachute braking and ending with atmospheric braking. It made a soft landing on the surface at 06:24 Moscow Time (03:24 UT) on 25 December after a descent time of approximately 1 hour. The touchdown speed was 7 to 8 m/s.
Wikipedia: https://en.wikipedia.org/wiki/Venera_11. Related NASA reference: https://nssdc.gsfc.nasa.gov/planetary/chronology.html#1978. Description adapted from Wikipedia contributors (CC BY-SA 4.0; https://creativecommons.org/licenses/by-sa/4.0/).
- Category
- Launches and Flight Tests
- Type
- Orbital launch
- Subjects
- Space transportation
- Mission
- Venera-11
- Organization
- Strategic Rocket Forces
- Vehicle
- Proton-K/D-1
- Location
- NIIP-5, Baykonur, Kazakstan
- Country
- SU
- Outcome
- Successful
Context and qualifications
Launch code: DS. Source references: NK9810-25; NK9810-25.
Sources and attribution
- Jonathan McDowell — General Catalog of Artificial Space Objects (opens in a new tab) — Data from GCAT (J. McDowell, planet4589.org/space/gcat), CC BY 4.0. Adapted into anniversary records. (CC BY 4.0)
- Wikipedia — Venera 11 (opens in a new tab) — Adapted from Wikipedia contributors; selected sentences retained and edited for length, reference markers and pronunciation glosses. CC BY-SA 4.0: https://creativecommons.org/licenses/by-sa/4.0/ Article and edit history: https://en.wikipedia.org/wiki/Venera_11 (CC BY-SA 4.0)
- Timeline of Space Exploration Missions 1957 to 2031 (opens in a new tab)
- NASA — Venera 11 (opens in a new tab)
- NASA NSSDCA — Venera 11 (opens in a new tab)