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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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: 16 hours ago
TLE from 16 hours ago
0 ORBCOMM FM 13
1 25420U 98046H 26307.69408273 .00000426 00000-0 18305-3 0 9999
2 25420 44.9977 310.7744 0007575 287.2030 72.7989 14.38822057475870Epoch: 2026-11-03T16:39Z
TLE epoch observation values (Epoch: 2026-11-03T16:39:28.747Z)
Latitude
-0.00004°
Longitude
17.9515°
Altitude
760.796 km
Speed
7.476 km/s
True Right ascension
20h 43m 05s
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
04:41:22
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
769.35 km
Perigee altitude
758.53 km
Semi-major axis
7,142.077 km
Eccentricity
0.00076
Inclination
44.9977°
RAAN
310.7744°
Arg. of periapsis
287.203°
True anomaly
72.88184°
Mean anomaly
72.7989°
Eccentric anomaly
72.84037°
Mean motion
3.59589 °/min
Orbital period
100.11 mins
BSTAR
0.00018305
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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. |
|---|---|---|---|---|---|---|---|
| 10 mins | 2026-11-04 09:49:23.253Z | 285.429° WNW | 2026-11-04 09:54:23.253Z | 211.864° SW | 45.347° | 2026-11-04 09:59:23.253Z | 143.145° SSE |
| 7 mins | 2026-11-05 02:09:23.253Z | 178.302° S | 2026-11-05 02:12:23.253Z | 133.78° SE | 23.996° | 2026-11-05 02:16:23.253Z | 85.776° E |
| 8 mins | 2026-11-05 03:53:23.253Z | 241.618° WSW | 2026-11-05 03:56:23.253Z | 225.804° WSW | 75.719° | 2026-11-05 04:01:23.253Z | 67.113° ENE |
| 9 mins | 2026-11-05 05:38:23.253Z | 282.729° WNW | 2026-11-05 05:42:23.253Z | 357.237° N | 50.704° | 2026-11-05 05:47:23.253Z | 69.277° E |
| 8 mins | 2026-11-05 07:24:23.253Z | 299.109° NW | 2026-11-05 07:28:23.253Z | 32.589° NE | 57.564° | 2026-11-05 07:32:23.253Z | 90.9° ESE |
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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