Sun
Prognoz-4
Solar XR, gamma, radio, particles.
Completed or retired · Historical mission record
View in 3D map ↗Overview
The mission
Solar XR, gamma, radio, particles. This reconstructed record groups 1 GCAT payload or flight element under launch 1975-122; fields not present in GCAT are intentionally left unset.
Launch profile
The launch
- Launch
- 22 December 1975, 02:08:00 UTC
- Launch location
- NIIP-5, Baykonur, Kazakstan
- Launch vehicle
- Molniya 8K78M
- Orbit
- Lower low Earth orbit (inclined)
Trajectory
Mission timeline
Interactive playback
Play trajectory in 3D ↗Follow the mission through its available trajectory data in the full 3D solar-system map.
Mission outcomeOpen outcome source ↗
Mission ended — Completed or retired
Operations concluded · 25 March 1976
Historical mission record
GCAT records the primary mission element as completed or no longer operational.
Hardware
Spacecraft
Prognoz-4
Solar XR, gamma, radio, particles.
- GCAT ID
- S08510
- Manufacturer
- NPO Lavochkin
- Launch mass
- 905 kg
- Dimensions
- 2 m long · 2.5 m diameter · 10 m span
Visual archive
Gallery
One image from Prognoz-4.
Verification
Community discussion
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