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: 9 hours ago
TLE from 9 hours ago
0 ORBCOMM FM 18
1 25414U 98046B 25344.57572421 .00002323 00000-0 78896-3 0 9995
2 25414 44.9930 57.4932 0003056 115.4976 244.6189 14.39144314429658Epoch: 2025-12-10T13:49Z
TLE epoch observation values (Epoch: 2025-12-10T13:49:02.571Z)
Latitude
-0.00002°
Longitude
130.68839°
Altitude
762.261 km
Speed
7.474 km/s
True Right ascension
03h 49m 58s
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
20:58:29
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
765.057 km
Perigee altitude
760.693 km
Semi-major axis
7,141.012 km
Eccentricity
0.00031
Inclination
44.993°
RAAN
57.4932°
Arg. of periapsis
115.4976°
True anomaly
244.58727°
Mean anomaly
244.6189°
Eccentric anomaly
244.60308°
Mean motion
3.59669 °/min
Orbital period
100.09 mins
BSTAR
0.00078896
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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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2025-12-11 06:38:20.370Z | 161.603° S | 2025-12-11 06:40:20.370Z | 137.094° SSE | 15.124° | 2025-12-11 06:43:20.370Z | 101.359° ESE |
| 8 mins | 2025-12-11 08:21:20.370Z | 226.091° WSW | 2025-12-11 08:25:20.370Z | 126.339° SE | 41.294° | 2025-12-11 08:29:20.370Z | 71.653° E |
| 9 mins | 2025-12-11 10:06:20.370Z | 274.13° WNW | 2025-12-11 10:10:20.370Z | 354.308° N | 39.679° | 2025-12-11 10:15:20.370Z | 66.849° ENE |
| 8 mins | 2025-12-11 11:52:20.370Z | 297.887° NW | 2025-12-11 11:56:20.370Z | 26.419° NE | 37.836° | 2025-12-11 12:00:20.370Z | 82.808° E |
| 9 mins | 2025-12-11 13:37:20.370Z | 290.559° WNW | 2025-12-11 13:41:20.370Z | 199.203° SSW | 44.196° | 2025-12-11 13:46:20.370Z | 122.562° SE |
| 6 mins | 2025-12-11 15:23:20.370Z | 257.546° W | 2025-12-11 15:26:20.370Z | 215.517° SW | 19.007° | 2025-12-11 15:29:20.370Z | 179.296° S |
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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