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YAOGAN-30 B

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YAOGAN-30 B is classified as:


NORAD ID: 42946
Int'l Code: 2017-058B
Perigee: 597.8 km
Apogee: 600.6 km
Inclination: 35.0 °
Period: 96.5 minutes
Semi major axis: 6970 km
RCS: Unknown
Launch date: September 29, 2017
Source: People's Republic of China (PRC)
Launch site: Xichang Space Center, China (XSC)

YAOGAN-30 B is part of a Yaogan-30 (01) Chinese triplet satellite launched on September 29, 2017. According to the official launch announcement, the Yaogan-30 (01) satellites were developed by the Chinese Academy of Sciences to create a multi-satellite system for electromagnetic environment detection which could be interpreted as a science-driven mission, though intelligence-gathering in the electromagnetic spectrum could also fall within the realm. Even if operating from a lower inclination than the typical Yaogan trios, the satellites could still cover the majority of Earth's marine traffic routes, if ship-tracking and characterization is indeed their role.
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NASA's NSSDC Master Catalog

Two Line Element Set (TLE):
1 42946U 17058B   23090.77409013  .00004440  00000-0  43338-3 0  9997
2 42946  35.0018 282.0979 0002001 249.0594 110.9904 14.91894983299906
Source of the keplerian elements: AFSPC