ORBCOMM FM 18, 25414
Orbit data source: Space-Track
ORBCOMM FM 18, 25414 is a payload satellite owned by Orbcomm (US) in LEO that was launched on Sun, 02 Aug 1998 UTC via a PEGASUS XL/HAPS launch vehicle from the Pegasus Launch, Eastern Range Air Space (ERAS). Payload-class satellites include a variety of spacecraft equipped with specific instruments for various scientific and technological missions. These include communications satellites like Starlink; space stations such as the ISS; scientific satellites like the Hubble; Earth observation satellites from companies like Planet Labs, Umbra, and HawkEye 360; GPS; miniature CubeSats for education and research; and military/defense satellites.
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25414 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
US / ORBRelated business
Manufacturer
OSC-Germantown
Mission
Non-operational Commercial Communications
Bus & Motor
MICROSTAR, Unknown motor
Mass
42 kg wet, 42 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Cyl + 2 Pan, 4.2 m
Radar Cross Section
1.484 m², Medium (>0.1 m² and < 1m²)
Expand to show TLE details & historyLast TLE update: 17 hours ago
TLE from 17 hours ago
0 ORBCOMM FM 18
1 25414U 98046B 25342.56258825 .00002898 00000-0 97300-3 0 9999
2 25414 44.9929 67.0569 0003057 102.7038 257.4152 14.39135871429366Epoch: 2025-12-08T13:30Z
TLE epoch observation values (Epoch: 2025-12-08T13:30:07.624Z)
Latitude
-0.00006°
Longitude
146.96524°
Altitude
761.829 km
Speed
7.475 km/s
True Right ascension
04h 28m 13s
True Declination
0° 00' 00"
Sunlit
Visualization orbit readout
Latitude
Unknown
Longitude
Unknown
Altitude
Unknown
Speed
Unknown
Apparent Right ascension
Unknown
Apparent Declination
Unknown
Sunlit
Visualization observer readout
Local Sidereal Time
04:49:08
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
765.086 km
Perigee altitude
760.72 km
Semi-major axis
7,141.04 km
Eccentricity
0.00031
Inclination
44.9929°
RAAN
67.0569°
Arg. of periapsis
102.7038°
True anomaly
257.38101°
Mean anomaly
257.4152°
Eccentric anomaly
257.39811°
Mean motion
3.59667 °/min
Orbital period
100.09 mins
BSTAR
0.000973
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Other satellites on launch #46 in the year 1998 (1998-08-02 UTC)
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You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.ORBCOMM FM 18 Visibility forecast
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Span | Click to sort rows by Start time (UTC) header in descending order | Start Az. | Max El. time (UTC) | Max El. Az. | Max El. | End time (UTC) | End Az. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2025-12-09 07:59:33.949Z | 189.862° SSW | 2025-12-09 08:03:33.949Z | 130.471° SE | 24.177° | 2025-12-09 08:06:33.949Z | 89.981° E |
| 9 mins | 2025-12-09 09:43:33.949Z | 246.237° WSW | 2025-12-09 09:47:33.949Z | 257.416° W | 44.687° | 2025-12-09 09:52:33.949Z | 66.451° ENE |
| 8 mins | 2025-12-09 11:29:33.949Z | 285.712° WNW | 2025-12-09 11:33:33.949Z | 5.412° NNE | 37.184° | 2025-12-09 11:37:33.949Z | 67.767° E |
| 8 mins | 2025-12-09 13:15:33.949Z | 299.511° NW | 2025-12-09 13:18:33.949Z | 351.119° N | 41.001° | 2025-12-09 13:23:33.949Z | 95.266° ESE |
| 8 mins | 2025-12-09 15:00:33.949Z | 280.748° WNW | 2025-12-09 15:04:33.949Z | 194.985° SSW | 36.707° | 2025-12-09 15:08:33.949Z | 141.325° SSE |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
Click to sort rows by RSO header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Type header in ascending order | Click to sort rows by Inclination Δ header in ascending order | Click to sort rows by RAAN Δ header in ascending order | Click to sort rows by Coplanar Angle header in ascending order | Click to sort rows by SMA Δ header in ascending order | Click to sort rows by Orbital period header in ascending order | Click to sort rows by <5km Md TCA header in descending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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