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: 2 days ago
TLE from 2 days ago
0 ORBCOMM FM 20
1 25416U 98046D 26171.20858727 .00000332 00000-0 15516-3 0 9990
2 25416 44.9929 237.1557 0002401 260.0825 99.9753 14.38069327457222Epoch: 2026-06-20T05:00Z
TLE epoch observation values (Epoch: 2026-06-20T05:00:21.940Z)
Latitude
0.00006°
Longitude
-106.36216°
Altitude
765.18 km
Speed
7.473 km/s
True Right ascension
15h 48m 37s
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
00:51:05
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
768.147 km
Perigee altitude
764.716 km
Semi-major axis
7,144.569 km
Eccentricity
0.00024
Inclination
44.9929°
RAAN
237.1557°
Arg. of periapsis
260.0825°
True anomaly
100.0024°
Mean anomaly
99.9753°
Eccentric anomaly
99.98885°
Mean motion
3.59401 °/min
Orbital period
100.17 mins
BSTAR
0.00015516
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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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2026-06-22 14:15:31.658Z | 267.106° W | 2026-06-22 14:19:31.658Z | 216.01° SW | 19.115° | 2026-06-22 14:22:31.658Z | 179.71° S |
| 9 mins | 2026-06-23 06:33:31.658Z | 217.942° SW | 2026-06-23 06:37:31.658Z | 146.844° SSE | 38.078° | 2026-06-23 06:42:31.658Z | 72.809° E |
| 9 mins | 2026-06-23 08:18:31.658Z | 266.751° W | 2026-06-23 08:22:31.658Z | 332.316° NNW | 41.252° | 2026-06-23 08:27:31.658Z | 65.048° ENE |
| 9 mins | 2026-06-23 10:04:31.658Z | 293.953° NW | 2026-06-23 10:08:31.658Z | 6.226° NNE | 37.568° | 2026-06-23 10:13:31.658Z | 80.346° E |
| 8 mins | 2026-06-23 11:50:31.658Z | 293.491° NW | 2026-06-23 11:54:31.658Z | 115.42° SE | 44.05° | 2026-06-23 11:58:31.658Z | 115.052° SE |
| 7 mins | 2026-06-23 13:35:31.658Z | 268.231° W | 2026-06-23 13:38:31.658Z | 226.925° WSW | 23.729° | 2026-06-23 13:42:31.658Z | 170.314° S |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
Click to sort rows by RSO header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Type header in ascending order | Click to sort rows by Inclination Δ header in ascending order | Click to sort rows by RAAN Δ header in ascending order | Click to sort rows by Coplanar Angle header in ascending order | Click to sort rows by SMA Δ header in ascending order | Click to sort rows by Orbital period header in ascending order | Click to sort rows by <5km Md TCA header in descending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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