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: 2 days ago
TLE from 2 days ago
0 ORBCOMM FM 20
1 25416U 98046D 25293.09076241 .00001604 00000-0 57795-3 0 9992
2 25416 44.9946 309.6513 0002778 255.3218 104.7322 14.37491682422230Epoch: 2025-10-20T02:10Z
TLE epoch observation values (Epoch: 2025-10-20T02:10:41.872Z)
Latitude
-0.00001°
Longitude
-111.82124°
Altitude
767.301 km
Speed
7.472 km/s
True Right ascension
20h 38m 36s
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
09:59:48
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
770.33 km
Perigee altitude
766.359 km
Semi-major axis
7,146.481 km
Eccentricity
0.00028
Inclination
44.9946°
RAAN
309.6513°
Arg. of periapsis
255.3218°
True anomaly
104.76298°
Mean anomaly
104.7322°
Eccentric anomaly
104.74759°
Mean motion
3.59257 °/min
Orbital period
100.21 mins
BSTAR
0.00057795
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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 | 2025-10-22 02:42:02.413Z | 185.055° SSW | 2025-10-22 02:46:02.413Z | 132.928° SE | 20.917° | 2025-10-22 02:49:02.413Z | 94.021° ESE |
| 8 mins | 2025-10-22 04:27:02.413Z | 238.998° WSW | 2025-10-22 04:30:02.413Z | 213.867° SW | 43.782° | 2025-10-22 04:35:02.413Z | 67.91° E |
| 9 mins | 2025-10-22 06:12:02.413Z | 280.848° WNW | 2025-10-22 06:16:02.413Z | 352.571° N | 38.126° | 2025-10-22 06:21:02.413Z | 68.741° E |
| 9 mins | 2025-10-22 07:58:02.413Z | 297.868° NW | 2025-10-22 08:02:02.413Z | 22.003° NNE | 40.294° | 2025-10-22 08:07:02.413Z | 92.225° ESE |
| 9 mins | 2025-10-22 09:43:02.413Z | 286.519° WNW | 2025-10-22 09:47:02.413Z | 220.273° SW | 40.498° | 2025-10-22 09:52:02.413Z | 133.846° SE |
| 4 mins | 2025-10-22 11:30:02.413Z | 246.413° WSW | 2025-10-22 11:32:02.413Z | 222.214° SW | 13.724° | 2025-10-22 11:34:02.413Z | 199.235° SSW |
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 ascending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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