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: 19 hours ago
TLE from 19 hours ago
0 ORBCOMM FM 13
1 25420U 98046H 26259.22814673 .00000674 00000-0 26351-3 0 9994
2 25420 44.9964 180.8737 0005733 30.5131 329.6050 14.38756792468898Epoch: 2026-09-16T05:28Z
TLE epoch observation values (Epoch: 2026-09-16T05:28:31.877Z)
Latitude
-0.00003°
Longitude
103.5581°
Altitude
759.077 km
Speed
7.478 km/s
True Right ascension
12h 03m 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
17:30:46
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
768.251 km
Perigee altitude
760.061 km
Semi-major axis
7,142.293 km
Eccentricity
0.00057
Inclination
44.9964°
RAAN
180.8737°
Arg. of periapsis
30.5131°
True anomaly
329.57174°
Mean anomaly
329.605°
Eccentric anomaly
329.58837°
Mean motion
3.59573 °/min
Orbital period
100.12 mins
BSTAR
0.00026351
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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 | 2026-09-17 01:51:20.775Z | 293.559° NW | 2026-09-17 01:56:20.775Z | 18.146° NNE | 53.241° | 2026-09-17 02:01:20.775Z | 87.135° E |
| 9 mins | 2026-09-17 03:37:20.775Z | 289.908° WNW | 2026-09-17 03:41:20.775Z | 225° WSW | 70.942° | 2026-09-17 03:46:20.775Z | 125.92° SE |
| 5 mins | 2026-09-17 05:24:20.775Z | 247.793° W | 2026-09-17 05:26:20.775Z | 220.07° SW | 18.503° | 2026-09-17 05:29:20.775Z | 184.058° SSW |
| 8 mins | 2026-09-17 21:40:20.775Z | 220.744° SW | 2026-09-17 21:44:20.775Z | 134.773° SE | 55.671° | 2026-09-17 21:48:20.775Z | 73.635° E |
| 9 mins | 2026-09-17 23:25:20.775Z | 270.432° WNW | 2026-09-17 23:29:20.775Z | 349.515° N | 58.888° | 2026-09-17 23:34:20.775Z | 65.732° 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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