Satellite SDS-4 (Small Demonstration Satellite-4) of Japan Aerospace Exploration Agency (JAXA)

Name of Satellite, Alternate Names SDS-4 (Small Demonstration Satellite-4)
Country of Operator/Owner Japan
Operator/Owner Japan Aerospace Exploration Agency (JAXA)
Users Government
Purpose Technology Development
Class of Orbit LEO
Type of Orbit Sun-Synchronous
Longitude of GEO (degrees) 0
Perigee (km) 661
Apogee (km) 673
Eccentricity 0.000852636066505613
Inclination (degrees) 98.2
Period (minutes) 98.1
Launch Mass (kg.) 50
Dry Mass (kg.) 48
Power (watts) 120
Date of Launch 17-05-2012
Expected Lifetime 2 yrs.
Contractor Japan Aerospace Exploration Agency (JAXA)
Country of Contractor Japan
Launch Site Tanegashima Space Center
Launch Vehicle H-2A
COSPAR Number 2012-025C
NORAD Number 38339
Comments Several technology demonstration experiments and including an experiment to monitor AIS (Automatic Information System) messages transmitted from ships at sea.


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