ORBCOMM FM 13, 25420
Orbit data source: Space-Track
ORBCOMM FM 13, 25420 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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25420 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: 8 hours ago
TLE from 8 hours ago
0 ORBCOMM FM 13
1 25420U 98046H 25344.62959860 .00002009 00000-0 70190-3 0 9994
2 25420 44.9971 67.7384 0003590 104.2862 255.8385 14.38189537428632Epoch: 2025-12-10T15:06Z
TLE epoch observation values (Epoch: 2025-12-10T15:06:37.319Z)
Latitude
-0°
Longitude
121.48572°
Altitude
765.113 km
Speed
7.473 km/s
True Right ascension
04h 30m 57s
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
21:05:25
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
768.598 km
Perigee altitude
763.468 km
Semi-major axis
7,144.17 km
Eccentricity
0.00036
Inclination
44.9971°
RAAN
67.7384°
Arg. of periapsis
104.2862°
True anomaly
255.79862°
Mean anomaly
255.8385°
Eccentric anomaly
255.81856°
Mean motion
3.59431 °/min
Orbital period
100.16 mins
BSTAR
0.0007019
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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 13 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. |
|---|---|---|---|---|---|---|---|
| 8 mins | 2025-12-11 07:56:15.195Z | 194.463° SSW | 2025-12-11 08:00:15.195Z | 141.338° SSE | 24.834° | 2025-12-11 08:04:15.195Z | 86.433° E |
| 9 mins | 2025-12-11 09:41:15.195Z | 246.916° WSW | 2025-12-11 09:45:15.195Z | 29.9° NE | 44.925° | 2025-12-11 09:50:15.195Z | 66.475° ENE |
| 8 mins | 2025-12-11 11:27:15.195Z | 287.686° WNW | 2025-12-11 11:30:15.195Z | 338.047° N | 36.75° | 2025-12-11 11:35:15.195Z | 69.101° E |
| 9 mins | 2025-12-11 13:12:15.195Z | 296.63° NW | 2025-12-11 13:16:15.195Z | 3.253° NNE | 41.605° | 2025-12-11 13:21:15.195Z | 96.219° ESE |
| 8 mins | 2025-12-11 14:58:15.195Z | 279.521° WNW | 2025-12-11 15:01:15.195Z | 227.501° WSW | 36.684° | 2025-12-11 15:06:15.195Z | 141.423° SSE |
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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