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: 21 hours ago
TLE from 21 hours ago
0 ORBCOMM FM 18
1 25414U 98046B 25293.75762357 .00002450 00000-0 83303-3 0 9997
2 25414 44.9917 298.8754 0005451 222.6956 137.3469 14.38928607422337Epoch: 2025-10-20T18:10Z
TLE epoch observation values (Epoch: 2025-10-20T18:10:58.676Z)
Latitude
-0.00004°
Longitude
-3.32447°
Altitude
764.902 km
Speed
7.472 km/s
True Right ascension
19h 55m 30s
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
09:58:35
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
767.481 km
Perigee altitude
759.696 km
Semi-major axis
7,141.726 km
Eccentricity
0.00055
Inclination
44.9917°
RAAN
298.8754°
Arg. of periapsis
222.6956°
True anomaly
137.3892°
Mean anomaly
137.3469°
Eccentric anomaly
137.36805°
Mean motion
3.59616 °/min
Orbital period
100.11 mins
BSTAR
0.00083303
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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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2025-10-22 01:59:50.216Z | 173.573° S | 2025-10-22 02:02:50.216Z | 135.948° SSE | 17.744° | 2025-10-22 02:05:50.216Z | 98.436° ESE |
| 8 mins | 2025-10-22 03:43:50.216Z | 231.82° WSW | 2025-10-22 03:47:50.216Z | 113.601° SE | 42.639° | 2025-10-22 03:51:50.216Z | 69.793° E |
| 9 mins | 2025-10-22 05:28:50.216Z | 277.529° WNW | 2025-10-22 05:32:50.216Z | 355.231° N | 38.905° | 2025-10-22 05:37:50.216Z | 67.701° E |
| 8 mins | 2025-10-22 07:14:50.216Z | 298.391° NW | 2025-10-22 07:18:50.216Z | 28.032° NE | 38.755° | 2025-10-22 07:22:50.216Z | 85.785° E |
| 9 mins | 2025-10-22 08:59:50.216Z | 288.484° WNW | 2025-10-22 09:03:50.216Z | 203.651° SW | 42.923° | 2025-10-22 09:08:50.216Z | 127.298° SE |
| 4 mins | 2025-10-22 10:46:50.216Z | 244.015° WSW | 2025-10-22 10:47:50.216Z | 230.677° WSW | 16.556° | 2025-10-22 10:50:50.216Z | 192.187° SSW |
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 ascending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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