ORBCOMM FM 22, 25476
Orbit data source: Space-Track
ORBCOMM FM 22, 25476 is a payload satellite owned by Orbcomm (US) in LEO that was launched on Wed, 23 Sep 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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25476 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 22
1 25476U 98053B 25348.88664228 .00001178 00000-0 42406-3 0 9991
2 25476 45.0064 126.8162 0002530 76.1699 283.9431 14.38970244423291Epoch: 2025-12-14T21:16Z
TLE epoch observation values (Epoch: 2025-12-14T21:16:45.892Z)
Latitude
-0.00004°
Longitude
83.83182°
Altitude
761.467 km
Speed
7.475 km/s
True Right ascension
08h 27m 15s
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
13:23:51
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
765.255 km
Perigee altitude
761.642 km
Semi-major axis
7,141.585 km
Eccentricity
0.00025
Inclination
45.0064°
RAAN
126.8162°
Arg. of periapsis
76.1699°
True anomaly
283.91496°
Mean anomaly
283.9431°
Eccentric anomaly
283.92903°
Mean motion
3.59626 °/min
Orbital period
100.1 mins
BSTAR
0.00042406
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Other satellites on launch #53 in the year 1998 (1998-09-23 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 22 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. |
|---|---|---|---|---|---|---|---|
| 9 mins | 2025-12-15 15:58:16.972Z | 291.127° WNW | 2025-12-15 16:03:16.972Z | 17.893° NNE | 37.217° | 2025-12-15 16:07:16.972Z | 78.039° E |
| 9 mins | 2025-12-15 17:44:16.972Z | 293.266° NW | 2025-12-15 17:48:16.972Z | 281.058° WNW | 44.878° | 2025-12-15 17:53:16.972Z | 115.685° SE |
| 7 mins | 2025-12-15 19:30:16.972Z | 263.817° W | 2025-12-15 19:33:16.972Z | 218.632° SW | 23.372° | 2025-12-15 19:37:16.972Z | 167.559° S |
| 8 mins | 2025-12-16 11:47:16.972Z | 207.137° SW | 2025-12-16 11:51:16.972Z | 133.818° SE | 33.255° | 2025-12-16 11:55:16.972Z | 78.013° E |
| 8 mins | 2025-12-16 13:32:16.972Z | 261.789° W | 2025-12-16 13:36:16.972Z | 8.396° NNE | 42.535° | 2025-12-16 13:40:16.972Z | 63.96° ENE |
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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