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	98.142°
Eccentricity	0.00076
RA ascending node	5.627 hr
Argument perigee	141.379°
Mean anomaly	218.796°
Orbital period	97.601 min
Epoch of osculation	20 Dec 2025, 13:48

See historical orbital elements »

Derived Quantities

Min Altitude	645.7 km
Mean Altitude	651.0 km
Peak Altitude	656.3 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