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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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: 22 hours ago
TLE from 22 hours ago
0 ORBCOMM FM 18
1 25414U 98046B 26259.11678368 .00000732 00000-0 27624-3 0 9993
2 25414 44.9919 168.6224 0005420 39.5633 320.5611 14.39799754469930Epoch: 2026-09-16T02:48Z
TLE epoch observation values (Epoch: 2026-09-16T02:48:10.109Z)
Latitude
-0.00001°
Longitude
131.50728°
Altitude
756.172 km
Speed
7.479 km/s
True Right ascension
11h 14m 29s
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
17:30:48
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
764.578 km
Perigee altitude
756.839 km
Semi-major axis
7,138.846 km
Eccentricity
0.00054
Inclination
44.9919°
RAAN
168.6224°
Arg. of periapsis
39.5633°
True anomaly
320.52162°
Mean anomaly
320.5611°
Eccentric anomaly
320.54136°
Mean motion
3.59833 °/min
Orbital period
100.05 mins
BSTAR
0.00027624
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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. |
|---|---|---|---|---|---|---|---|
| 10 mins | 2026-09-17 00:49:22.482Z | 292.339° WNW | 2026-09-17 00:54:22.482Z | 15.02° NNE | 51.116° | 2026-09-17 00:59:22.482Z | 84.001° E |
| 9 mins | 2026-09-17 02:35:22.482Z | 291.81° WNW | 2026-09-17 02:39:22.482Z | 236.892° WSW | 78.947° | 2026-09-17 02:44:22.482Z | 120.694° SE |
| 6 mins | 2026-09-17 04:21:22.482Z | 260.612° W | 2026-09-17 04:24:22.482Z | 218.267° SW | 21.8° | 2026-09-17 04:27:22.482Z | 179.382° S |
| 9 mins | 2026-09-17 20:37:22.482Z | 215.046° SW | 2026-09-17 20:41:22.482Z | 143.801° SSE | 48.26° | 2026-09-17 20:46:22.482Z | 73.194° E |
| 9 mins | 2026-09-17 22:22:22.482Z | 265.646° W | 2026-09-17 22:26:22.482Z | 345.385° N | 63.314° | 2026-09-17 22:31:22.482Z | 65.219° ENE |
| 8 mins | 2026-09-18 00:08:22.482Z | 295.491° NW | 2026-09-18 00:12:22.482Z | 19.387° NNE | 48.012° | 2026-09-18 00:16:22.482Z | 76.401° E |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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