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: 6 hours ago
TLE from 6 hours ago
0 ORBCOMM FM 16
1 25417U 98046E 26038.14231044 .00001994 00000-0 67560-3 0 9994
2 25417 44.9921 136.3990 0002443 42.8220 317.2819 14.39744282438103Epoch: 2026-02-07T03:24Z
TLE epoch observation values (Epoch: 2026-02-07T03:24:55.622Z)
Latitude
0.00002°
Longitude
-52.10282°
Altitude
758.061 km
Speed
7.478 km/s
True Right ascension
09h 05m 35s
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
11:16:57
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
762.636 km
Perigee altitude
759.148 km
Semi-major axis
7,139.029 km
Eccentricity
0.00024
Inclination
44.9921°
RAAN
136.399°
Arg. of periapsis
42.822°
True anomaly
317.2629°
Mean anomaly
317.2819°
Eccentric anomaly
317.2724°
Mean motion
3.59819 °/min
Orbital period
100.05 mins
BSTAR
0.0006756
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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 10:17:25.039Z | 238.482° WSW | 2026-02-07 10:21:25.039Z | 209.032° SW | 43.419° | 2026-02-07 10:26:25.039Z | 68.32° E |
| 9 mins | 2026-02-07 12:03:25.039Z | 280.684° WNW | 2026-02-07 12:07:25.039Z | 358.837° N | 38.104° | 2026-02-07 12:12:25.039Z | 68.922° E |
| 8 mins | 2026-02-07 13:49:25.039Z | 299.323° NW | 2026-02-07 13:52:25.039Z | 348.863° N | 39.216° | 2026-02-07 13:57:25.039Z | 89.326° E |
| 8 mins | 2026-02-07 15:34:25.039Z | 285.602° WNW | 2026-02-07 15:38:25.039Z | 192.103° SSW | 40.847° | 2026-02-07 15:42:25.039Z | 133.432° SE |
| 5 mins | 2026-02-08 07:53:25.039Z | 160.723° S | 2026-02-08 07:55:25.039Z | 135.625° SSE | 15.383° | 2026-02-08 07:58:25.039Z | 100.037° ESE |
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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