This article is about the Japanese demonstration satellite. For the US communication satellites, see Satellite Data System.
Mission type Technology
Operator JAXA
COSPAR ID 2009-002F
SATCAT № 33497
Mission duration 18 months
Spacecraft properties
Spacecraft type SDS
Launch mass 100 kilograms (220 lb)
Start of mission
Launch date 23 January 2009, 03:54 (2009-01-23UTC03:54Z) UTC
Rocket H-IIA 202
Launch site Tanegashima Yoshinobu 1
Contractor Mitsubishi
End of mission
Disposal Decommissioned
Deactivated 8 September 2010 (2010-09-09)
Orbital parameters
Reference system Geocentric
Regime low Earth
Perigee 671 kilometres (417 mi)
Apogee 671 kilometres (417 mi)
Inclination 98.13 degrees
Period 98.03 minutes
Epoch 2 January 2014, 04:04:20 UTC

The Small Demonstration Satellite (SDS) is a spacecraft or satellite which is built as part of a JAXA programme to develop and demonstrate technology for and through small satellites. One of the mid-term goals is also to demonstrate formation flying. SDS-1 launched aboard an H-IIA rocket on 23 January 2009, as a secondary payload to GOSAT.[1] The operation finished successfully on September 8, 2010.[2]

The programme started in spring 2006, and continues on from the MicroLabSat spacecraft, which was launched on 14 December 2002, and ceased operations on 27 September 2006.

The following experiments were aboard:

Total mass of the satellite is 100 kg.


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