ORBCOMM FM 20, 25416
Orbit data source: Space-Track
ORBCOMM FM 20, 25416 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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25416 intel report (Beta)
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Identifier
Orbit
Country
US / ORBRelated business
Manufacturer
OSC-Germantown
Mission
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: 13 hours ago
TLE from 13 hours ago
0 ORBCOMM FM 20
1 25416U 98046D 26085.54796835 .00000763 00000-0 29698-3 0 9996
2 25416 44.9939 283.3482 0000304 256.2809 103.8006 14.37928574444894Epoch: 2026-03-26T13:09Z
TLE epoch observation values (Epoch: 2026-03-26T13:09:04.465Z)
Latitude
0.00004°
Longitude
-97.91571°
Altitude
765.401 km
Speed
7.473 km/s
True Right ascension
18h 53m 23s
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
07:19:36
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
767.115 km
Perigee altitude
766.68 km
Semi-major axis
7,145.035 km
Eccentricity
0.00003
Inclination
44.9939°
RAAN
283.3482°
Arg. of periapsis
256.2809°
True anomaly
103.80398°
Mean anomaly
103.8006°
Eccentric anomaly
103.80229°
Mean motion
3.59366 °/min
Orbital period
100.18 mins
BSTAR
0.00029698
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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 20 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 | 2026-03-27 16:01:58.908Z | 215.421° SW | 2026-03-27 16:04:58.908Z | 163.863° S | 37.768° | 2026-03-27 16:09:58.908Z | 73.939° E |
| 8 mins | 2026-03-27 17:46:58.908Z | 269.108° W | 2026-03-27 17:50:58.908Z | 5.943° NNE | 40.869° | 2026-03-27 17:54:58.908Z | 63.892° ENE |
| 8 mins | 2026-03-27 19:32:58.908Z | 297.206° NW | 2026-03-27 19:35:58.908Z | 349.394° N | 37.119° | 2026-03-27 19:40:58.908Z | 78.987° E |
| 9 mins | 2026-03-27 21:17:58.908Z | 293.319° NW | 2026-03-27 21:21:58.908Z | 157.921° S | 44.993° | 2026-03-27 21:26:58.908Z | 115.452° SE |
| 7 mins | 2026-03-27 23:03:58.908Z | 262.829° W | 2026-03-27 23:06:58.908Z | 216.661° SW | 23.576° | 2026-03-27 23:10:58.908Z | 166.671° S |
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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