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Chang'e 4 Relay (CE 4 Relay)

Chang'e 4 Relay []

Chang'e 4 Relay is a Chinese relay satellite mission in support of the Chang'e 4 rover landing on the far site on the moon.

The 425 kg relay satellite is based on the three-axis stabilized CAST-100 small satellite bus featuring an 130 N hydrazine propulsion system. It carries a deployable 4.2 m dish antenna for the relay equipment. It provides four 256 kBps X-band links between itself and the lander/rover and one 2 MBps S-band link towards earth.

The mission is to be launched in 2018 on a CZ-4C rocket about 6 month in advance of the Chang'e 4 lander and rover. Via a lunar fly-by, it will be put into an halo orbit around the Earth-Moon L2 Lagrange point. It has a planned live of more than five years to support further far-side missions.

Nation: China
Type / Application: Lunar Orbiter, relay
Operator:
Contractors: CAST
Equipment:
Configuration: CAST-100
Propulsion: ?
Power: 2 deployable solar arrays, batteries
Lifetime: > 5 years
Mass: 425 kg
Orbit: Earth-Moon L-2 halo
Satellite COSPAR Date LS Launch Vehicle Remarks
Chang'e 4 Relay (CE 4 Relay) - 2018 ? CZ-4C with DSLWP A1, DSLWP A2