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Hodoyoshi 4

Hodoyoshi 4 [University of Tokyo]

Hodoyoshi 4 is an experimental earth-observing micro-satellite built by the University of Tokyo. It has a 5 m ground resolution.

The satellite is built on a 3-axis stabilized earth-pointing bus, which generates up to 100 W electrical power. It features an ion engine propulsion system. The main payload is a high resolution imaging system with a ground resolution of 5 m.

Additionally it carries a store and forward communications payload and hosted experiments.

Hodoyoshi 4 was launched piggy-back with a large number of other small satellites, among them Hodoyoshi 3, on a Dnepr rocket from the Yasni (Dombarovsky) cosmodrome in mid 2014.

Nation: Japan
Type / Application: Technology, Earth observation
Operator: University of Tokyo, NESTRA
Contractors: University of Tokyo, NESTRA
Power: 2 deployable fixed solar arrays, solar cells, batteries
Mass: 64 kg
Orbit: 612 km × 650 km, 97.99
Satellite COSPAR Date LS Launch Vehicle Remarks
Hodoyoshi 4 2014-033B 19.06.2014 Do LC-370/13 Dnepr with Deimos 2, KazEOSat 2, Saudisat 4, TabletSat-Aurora, BugSat 1, AprizeSat 9, AprizeSat 10, UniSat 6, BRITE-CA 1, BRITE-CA 2, Hodoyoshi 3, Perseus-M 1, Perseus-M 2, Flock-1c 1, ..., 11, POPSAT-HIP 1, QB50P1, QB50P2, PACE, TigriSat, ANTELSAT, Lemur 1, NanoSatC-Br 1, Duchifat 1, PolyITAN 1, DTUSat 2, AeroCube 6A, AeroCube 6B