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	98.137°
Eccentricity	0.00055
RA ascending node	18.217 hr
Argument perigee	269.899°
Mean anomaly	90.159°
Orbital period	97.572 min
Epoch of osculation	26 Jun 2026, 06:24

See historical orbital elements »

Derived Quantities

Min Altitude	645.8 km
Mean Altitude	649.6 km
Peak Altitude	653.5 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