ORBCOMM FM 28, 25482
Orbit data source: Space-Track
ORBCOMM FM 28, 25482 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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25482 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, 2.1 m
Radar Cross Section
1.484 m², Medium (>0.1 m² and < 1m²)
Expand to show TLE details & historyLast TLE update: 1 day ago
TLE from 1 day ago
0 ORBCOMM FM 28
1 25482U 98053H 25348.59408302 .00001263 00000-0 45317-3 0 9994
2 25482 45.0059 69.0883 0004432 150.3906 209.7194 14.38791505424338Epoch: 2025-12-14T14:15Z
TLE epoch observation values (Epoch: 2025-12-14T14:15:28.772Z)
Latitude
-0.00005°
Longitude
131.71361°
Altitude
765.242 km
Speed
7.472 km/s
True Right ascension
04h 36m 21s
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
13:25:44
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
767.205 km
Perigee altitude
760.874 km
Semi-major axis
7,142.177 km
Eccentricity
0.00044
Inclination
45.0059°
RAAN
69.0883°
Arg. of periapsis
150.3906°
True anomaly
209.69423°
Mean anomaly
209.7194°
Eccentric anomaly
209.70682°
Mean motion
3.59581 °/min
Orbital period
100.12 mins
BSTAR
0.00045317
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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 28 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 | 2025-12-15 15:49:10.108Z | 266.245° W | 2025-12-15 15:52:10.108Z | 228.308° WSW | 20.08° | 2025-12-15 15:56:10.108Z | 176.383° S |
| 9 mins | 2025-12-16 08:06:10.108Z | 216.876° SW | 2025-12-16 08:10:10.108Z | 157.351° SSE | 36.657° | 2025-12-16 08:15:10.108Z | 74.419° E |
| 8 mins | 2025-12-16 09:52:10.108Z | 267.874° W | 2025-12-16 09:55:10.108Z | 318.639° NNW | 41.171° | 2025-12-16 10:00:10.108Z | 64.406° ENE |
| 9 mins | 2025-12-16 11:37:10.108Z | 292.662° NW | 2025-12-16 11:41:10.108Z | 359.957° N | 37.258° | 2025-12-16 11:46:10.108Z | 78.743° E |
| 8 mins | 2025-12-16 13:23:10.108Z | 294.343° NW | 2025-12-16 13:27:10.108Z | 98.246° ESE | 44.352° | 2025-12-16 13:31:10.108Z | 112.818° SE |
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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