Earth orbit
Explorer XI
Gamma ray background.
Completed or retired · Historical mission record
View in 3D map ↗Overview
The mission
Gamma ray background. This reconstructed record groups 1 GCAT payload or flight element under launch 1961 NU; fields not present in GCAT are intentionally left unset.
Launch profile
The launch
- Launch
- 27 April 1961, 14:16:38 UTC
- Launch location
- Cape Canaveral Missile Test Annex, Air Force Missile Test Center
- Launch vehicle
- Juno II
- Orbit
- Low Earth orbit (inclined)
Trajectory
Mission timeline
Interactive playback
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Mission outcomeOpen outcome source ↗
Mission ended — Completed or retired
Operations concluded · 6 December 1961
Historical mission record
GCAT records the primary mission element as completed or no longer operational.
Hardware
Spacecraft
Explorer XI
Gamma ray background.
- GCAT ID
- S00107
- Manufacturer
- NASA Marshall Space Flight Center
- Launch mass
- 40 kg
- Dimensions
- 1.1 m long · 0.3 m diameter · 1.1 m span
Visual archive
Gallery
0 images from Explorer XI.
No mission imagery is available yet.
Verification
Community discussion
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