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BEIDOU M4

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BEIDOU M4 is classified as:


NORAD ID: 38251
Int'l Code: 2012-018B
Perigee: 21,465.5 km
Apogee: 21,604.3 km
Inclination: 55.7 °
Period: 773.2 minutes
Semi major axis: 27905 km
RCS: 3.9811 m2 (large)
Launch date: April 29, 2012
Source: People's Republic of China (PRC)

BEIDOU M4 is a Chinese navigation satellite. 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. Both satellites, Beidou M4 and Beidou M3, are part of the Beidou navigation constellation, also known as the Compass Navigation Satellite System (CNSS), China's second-generation satellite navigation system. CNSS is capable of providing continuous, real-time passive 3D geo-spatial positioning and speed measurement. The system will be dual use, based around a civilian service that will provide an accuracy of 10 meters in the user position, with the military and authorized user's service, providing higher accuracies. The long-term goal is to develop a global navigation satellite network consisting of a constellation of 35 vehicles by 2020. The satellites have a lifespan of 12 to 15 years.
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NASA's NSSDC Master Catalog

Two Line Element Set (TLE):
1 38251U 12018B   15215.37716102 -.00000028  00000-0  10000-3 0  9997
2 38251 055.7203 076.6153 0024868 199.9330 182.4671 01.86234276 22342

Source of the keplerian elements: AFSPC

N2YO: 374