Beidou M4, a Chinese navigation satellite, was launched from Xichang on 29 April 2012 by a Long March 3B rocket. China launched two navigation satellites on this mission, Beidou M3 and Beidou M4. This is the first time China launched a dual-satellite primary payload into high-altitude orbit. A dual-payload adapter was developed to launch the satellites one on top of the other inside the Long March nose fairing.
Satellite Information |
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| Name | Compass-M4 |
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| Organization | BeiDou |
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| Country | China |
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| Continent | China |
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| Type | Satellite |
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| Launch Date | April 29, 2012 |
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| Launch Site | Xichang, LC-2, China |
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| Launch Vehicle | Long March 3B |
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| Orbit | Medium Earth Orbit (MEO) |
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| PRN | C12 |
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| Status | Operational |
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