XW 1
Official name XIWANG-1 (HOPE-1)
Alternative name Xi Wang 1
Cospar ID 2009-072B
Norad ID 36122
Launch date 2009-12-15
Launch site TSC
Launch vehicle CZ-4C
Country/Organization China
Type application Communication amateur radio
RCS size MEDIUM
Decay date ON ORBIT
Period (min) 109.39
Inclination (deg) 100.29
Perigee (km) 1193
Apogee (km) 1204
Eccentricity 0.00458906967042136
Mean motion (revs. per day) 13.1639089496298
Semi-Major axis (km) 7576.635
Raan (deg) 88.1687
Arg of perigee (deg) 191.0011
Shape Box
Mass (kg) 50
Height (m) 0.7
Width (m) 0.5
Depth (m) 0.7
Span (m^2) 0.7
Power Solar cells, batteries

XW 1 (also known as CAS 1, Chinese Amateur Radio satellite 1) is the first chinese amateur radio satellite.

XW 1 is a micro-satellite for amateur radio purposes. The payload includes a telemetry beacon, a linear transponder, a FM repeater, a digital store-forward transponder. The operations all have 70 cm downlinks and 2 meter uplinks. The output for the transponder is 1 W and 200 mW for the beacon. The satellite has a mass of 50 kg.

The satellite was launched piggy-back on a CZ-4C rocket into a 100° inclination orbit with 1200 km apogee on 15 December 2009.

Satellite COSPAR Date LS Launch Vehicle Remarks
XIWANG-1 (HOPE-1) 2009-072B 2009-12-15 TSC CZ-4C with Yaogan 8