Launch Details

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

Current orbital elements

Inclination	44.995°
Eccentricity	0.00056
RA ascending node	23.645 hr
Argument perigee	221.606°
Mean anomaly	138.437°
Orbital period	99.989 min
Epoch of osculation	07 Aug 2026, 06:56

See historical orbital elements »

Derived Quantities

Min Altitude	761.1 km
Mean Altitude	765.1 km
Peak Altitude	769.1 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