Launch Details

Launched	1 August 1998
Flight ended	–
Status	Non-operational
Category	Orbcomm
Launch site	Eastern Range Airspace
Owner	ORBCOMM
NORAD ID	25417
COSPAR ID	1998-046E
Alternative names	SLOT B4
Observing

Current orbital elements

Inclination	44.992°
Eccentricity	0.00041
RA ascending node	15.912 hr
Argument perigee	304.203°
Mean anomaly	55.843°
Orbital period	100.025 min
Epoch of osculation	16 Jan 2026, 15:08

See historical orbital elements »

Derived Quantities

Min Altitude	763.9 km
Mean Altitude	766.8 km
Peak Altitude	769.7 km

Launched alongside

ORBCOMM FM17 ORBCOMM FM18 ORBCOMM FM19 ORBCOMM FM20 ORBCOMM FM15 ORBCOMM FM14 ORBCOMM FM13 PEGASUS R/B(1) PEGASUS R/B(2) ORBCOMM FM16 DEB ORBCOMM FM16 DEB ORBCOMM FM16 DEB ORBCOMM FM16 DEB ORBCOMM FM16 DEB ORBCOMM FM16 DEB ORBCOMM FM16 DEB ORBCOMM FM16 DEB ORBCOMM FM16 DEB ORBCOMM FM16 DEB ORBCOMM FM16 DEB ORBCOMM FM16 DEB