Key statistics
Satellite ORBCOMM FM 4 at a glance.
Uptime
10114
Days in orbit
Revolutions
≈ 14.4
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
108.0
Latest
Satellite identification and parameters
Extended collection of information and parameters for ORBCOMM FM 4.
Object identification
Identified? True
Debris? False
Object name: ORBCOMM FM 4
International designator: 1998-007C
Object number (NORAD): 25159
Object ID (CCSDS): 25159
Country: ORBITAL TELECOMMUNICATIONS SATELLITE (GLOBALSTAR) (ORB)
Current information (Y/N): Y
RCS size: MEDIUM
Orbital parameters
Period: 100.344 minutes
Inclination: 107.9624 deg
SMA: 7153.0 km
Apoapsis: 802.74 km
Periapsis: 746.989 km
RAAN: 35.1412 deg
Eccentricy: 0.00389701
Argument of periapsis: 25.4562 deg
Mean anomaly: 334.8488 deg
Mean motion: 14.35061284 rev/day
Mean motion (dot): 0.00001861 rev/day2
B* drag term: 0.00069170073 1/REarth
Two-line elements (TLE)
Creation date: Oct. 20, 2025, 2:10 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Oct. 19, 2025, 9:36 p.m. UTC
TLE line 0: 0 ORBCOMM FM 4
TLE line 1: 1 25159U 98007C 25292.90038871 .00001861 00000-0 69170-3 0 9994
TLE line 2: 2 25159 107.9624 35.1412 0038970 25.4562 334.8488 14.35061284442114
Live tracking on map
Real-time ground track for satellite ORBCOMM FM 4.
In-orbit conjunctions
There are no conjunctions computed for ORBCOMM FM 4, at the moment. Check back to stay up to date, as we update our databases every day.
Go to all conjunctionsAssociated space launch
The US Navy GFO (Geosat Follow On), is a 369 kg minisatellite based on the Techstar platform to carry on the mission of Geosat. It was launched on the 10th February 1998 on a Taurus-2210 from VAFB alongside two Orbcomm satellites, into a 789 × 881 km (779 × 790 km planned) 108 degree inclined orbit.
ORBCOMM FM 4 was lifted into orbit during the mission ‘Taurus 2210 | GFO’, on board a Minotaur-C 2210 space rocket.
The launch took place on Feb. 10, 1998, 1:20 p.m. from Space Launch Complex 576E.
For more information about the launch, click the button.
Taurus 2210 | GFO
Agency: N/A
Status: Launch Successful
Launch date: Feb. 10, 1998, 1:20 p.m. UTC
Rocket: Minotaur-C 2210
Launch pad: Space Launch Complex 576E
Location: Vandenberg SFB, CA, USA
...
Latest news about this satellite
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