Launch Details

Launched	16 May 2012
Flight ended	–
Status	Operational
Category	Active satellites
Launch site	Tanegashima Space Center, Japan
Owner	Japan
NORAD ID	38339
COSPAR ID	2012-025C
Alternative names	SMALL DEMONSTRATION SATELLITE 4
Observing

Current orbital elements

Inclination	98.138°
Eccentricity	0.00081
RA ascending node	21.324 hr
Argument perigee	115.273°
Mean anomaly	244.932°
Orbital period	97.567 min
Epoch of osculation	11 Aug 2026, 13:44

See historical orbital elements »

Derived Quantities

Min Altitude	643.8 km
Mean Altitude	649.4 km
Peak Altitude	655.1 km

Launched alongside

GCOM-W1 ARIRANG-3 HORYU-2 H-2A R/B H-2A DEB H-2A DEB H-2A DEB H-2A DEB H-2A DEB H-2A DEB H-2A DEB H-2A DEB H-2A DEB H-2A DEB H-2A DEB H-2A DEB H-2A DEB H-2A DEB H-2A DEB H-2A DEB H-2A DEB H-2A DEB H-2A DEB H-2A DEB H-2A DEB H-2A DEB H-2A DEB H-2A DEB H-2A DEB H-2A DEB H-2A DEB H-2A DEB H-2A DEB H-2A DEB H-2A DEB H-2A DEB H-2A DEB H-2A DEB H-2A DEB H-2A DEB H-2A DEB H-2A DEB H-2A DEB H-2A DEB H-2A DEB H-2A DEB