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XW-2B

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XW-2B is classified as:


NORAD ID: 40911
Int'l Code: 2015-049N
Perigee: 519.2 km
Apogee: 539.4 km
Inclination: 97.5 °
Period: 95.1 minutes
Semi major axis: 6900 km
RCS: Unknown
Launch date: September 19, 2015
Source: People's Republic of China (PRC)
Launch site: Taiyaun Space Center, China (TSC)
Uplink (MHz): 435.090-435.110
Downlink (MHz): 145.750-145.730
Beacon (MHz): 145.705/145.725
Mode: 9k6/19k2 GMSK CW
Call sign: BJ1SC
Status: Active


XW 2B, 2C and 2D or CAS 3B, 3C and 3D (Chinese Amateur Radio satellite 3B, 3C and 3D) are a constellation of three identical Chineses micro-satellite for atmospheric physics experiments and amateur radio missions. The satellites feature a 246 mm × 246 mm × 246 mm cubic body with body mounted solar cells and a mass of approximately 10 kg mass. They feature a three-axis stabilization system.The amateur communications payload consists of U/V 20 kHz wide transponders with 145 MHz CW beacon and 19k2 GMSK AX25 telemetry downlinks.
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NASA's NSSDC Master Catalog

Two Line Element Set (TLE):
1 40911U 15049N   17177.94201725 +.00000661 +00000-0 +39272-4 0  9997
2 40911 097.4557 183.3782 0014642 172.8061 187.3384 15.14609629097618
Source of the keplerian elements: Caltech