ORBCOMM FM 16, 25417
Orbit data source: Space-Track
ORBCOMM FM 16, 25417 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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25417 intel report (Beta)
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Edit Public Description
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: 4 hours ago
TLE from 4 hours ago
0 ORBCOMM FM 16
1 25417U 98046E 26038.28108905 .00001972 00000-0 66844-3 0 9998
2 25417 44.9921 135.7390 0002431 43.7863 316.3178 14.39744846438126Epoch: 2026-02-07T06:44Z
TLE epoch observation values (Epoch: 2026-02-07T06:44:46.093Z)
Latitude
-0.00005°
Longitude
-102.85997°
Altitude
758.085 km
Speed
7.478 km/s
True Right ascension
09h 02m 57s
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
12:55:50
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
762.626 km
Perigee altitude
759.155 km
Semi-major axis
7,139.027 km
Eccentricity
0.00024
Inclination
44.9921°
RAAN
135.739°
Arg. of periapsis
43.7863°
True anomaly
316.29856°
Mean anomaly
316.3178°
Eccentric anomaly
316.30818°
Mean motion
3.59819 °/min
Orbital period
100.05 mins
BSTAR
0.00066844
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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 16 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. |
|---|---|---|---|---|---|---|---|
| 9 mins | 2026-02-07 12:03:01.552Z | 278.897° WNW | 2026-02-07 12:07:01.552Z | 342.346° N | 38.008° | 2026-02-07 12:12:01.552Z | 67.658° E |
| 9 mins | 2026-02-07 13:49:01.552Z | 297.508° NW | 2026-02-07 13:53:01.552Z | 18.461° NNE | 39.952° | 2026-02-07 13:58:01.552Z | 91.091° ESE |
| 9 mins | 2026-02-07 15:34:01.552Z | 286.915° WNW | 2026-02-07 15:38:01.552Z | 214.773° SW | 41.205° | 2026-02-07 15:43:01.552Z | 131.968° SE |
| 4 mins | 2026-02-07 17:21:01.552Z | 243.736° WSW | 2026-02-07 17:22:01.552Z | 231.37° WSW | 14.281° | 2026-02-07 17:25:01.552Z | 195.552° SSW |
| 4 mins | 2026-02-08 07:54:01.552Z | 153.681° SSE | 2026-02-08 07:55:01.552Z | 140.875° SSE | 15.247° | 2026-02-08 07:58:01.552Z | 103.804° ESE |
| 9 mins | 2026-02-08 09:36:01.552Z | 227.584° WSW | 2026-02-08 09:40:01.552Z | 139.95° SSE | 41.972° | 2026-02-08 09:45:01.552Z | 69.933° E |
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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