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Mission typeTechnology
OperatorTeikyo University
COSPAR ID2014-009E Edit this at Wikidata
SATCAT no.39576
Spacecraft properties
ManufacturerTeikyo University
Launch mass20 kilograms (44 lb)
Start of mission
Launch date27 February 2014, 18:37 (2014-02-27UTC18:37Z) UTC[1]
RocketH-IIA 202
Launch siteTanegashima Yoshinobu 1
End of mission
Decay date25 October 2014 (2014-10-26)
Orbital parameters
Reference systemGeocentric
RegimeLow Earth
Perigee altitude384 kilometers (239 mi)
Apogee altitude393 kilometers (244 mi)
Inclination65 degrees
Period92.32 minutes
Epoch28 February 2014[2]

TeikyoSat-3 was a technology demonstrator and microbiology microsatellite intended to research the slime mold life cycle in space. Specifically, the effects of ionizing radiation (20-30 Gy/year) are of special concern. The primary mission is expected to be finished in 10–20 days with the completion of first life cycle of slime mold in space, but mission can be extended to study evolutionary adaptations for a maximum of 1 year. Also, a novel thermal control system capable of keeping a stable (10 °C to 28 °C) temperature in small (20 kg) microsatellite bus is being tested. The satellite is made at Teikyo University (Japan) and has a size of 320x320x370mm. The microsatellite microbiology experimental platform is intended to address issues with cost and uncertain future of experiments based on International Space Station. TeikyoSat-3 also transmit its telemetry uncoded at 473.45 MHz, and any amateur radio operator is welcome to share downlink data.


  1. ^ McDowell, Jonathan. "Launch Log". Jonathan's Space Page. Retrieved 1 January 2015.
  2. ^ McDowell, Jonathan. "Satellite Catalog". Jonathan's Space Page. Retrieved 1 January 2015.