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	98.133°
Eccentricity	0.00061
RA ascending node	11.658 hr
Argument perigee	212.202°
Mean anomaly	147.882°
Orbital period	97.584 min
Epoch of osculation	20 Mar 2026, 11:53

See historical orbital elements »

Derived Quantities

Min Altitude	646.0 km
Mean Altitude	650.2 km
Peak Altitude	654.5 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