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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Edit Public Description
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: 9 hours ago
TLE from 9 hours ago
0 ORBCOMM FM 20
1 25416U 98046D 25344.58604434 .00001817 00000-0 64617-3 0 9991
2 25416 44.9938 65.6369 0001662 206.5998 153.4765 14.37657153429644Epoch: 2025-12-10T14:03Z
TLE epoch observation values (Epoch: 2025-12-10T14:03:54.230Z)
Latitude
-0.00003°
Longitude
135.10666°
Altitude
767.31 km
Speed
7.472 km/s
True Right ascension
04h 22m 32s
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
21:06:45
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
768.984 km
Perigee altitude
766.609 km
Semi-major axis
7,145.933 km
Eccentricity
0.00017
Inclination
44.9938°
RAAN
65.6369°
Arg. of periapsis
206.5998°
True anomaly
153.485°
Mean anomaly
153.4765°
Eccentric anomaly
153.48075°
Mean motion
3.59298 °/min
Orbital period
100.2 mins
BSTAR
0.00064617
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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 | 2025-12-11 08:36:34.936Z | 216.491° SW | 2025-12-11 08:40:34.936Z | 131.187° SE | 37.808° | 2025-12-11 08:44:34.936Z | 74.669° E |
| 9 mins | 2025-12-11 10:21:34.936Z | 268.206° W | 2025-12-11 10:25:34.936Z | 353.169° N | 41.285° | 2025-12-11 10:30:34.936Z | 65.899° ENE |
| 8 mins | 2025-12-11 12:07:34.936Z | 295.717° NW | 2025-12-11 12:11:34.936Z | 18.705° NNE | 37.26° | 2025-12-11 12:15:34.936Z | 77.971° E |
| 9 mins | 2025-12-11 13:52:34.936Z | 293.297° NW | 2025-12-11 13:56:34.936Z | 288.118° WNW | 44.737° | 2025-12-11 14:01:34.936Z | 115.425° SE |
| 7 mins | 2025-12-11 15:38:34.936Z | 265.688° W | 2025-12-11 15:41:34.936Z | 222.053° SW | 23.64° | 2025-12-11 15:45:34.936Z | 168.677° 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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