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: 9 hours ago
TLE from 9 hours ago
0 ORBCOMM FM 16
1 25417U 98046E 25344.57297882 .00002378 00000-0 80035-3 0 9991
2 25417 44.9937 54.8604 0003430 137.5813 222.5301 14.39520941429662Epoch: 2025-12-10T13:45Z
TLE epoch observation values (Epoch: 2025-12-10T13:45:05.370Z)
Latitude
-0.00002°
Longitude
129.04664°
Altitude
761.884 km
Speed
7.474 km/s
True Right ascension
03h 39m 26s
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
21:06:30
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
764.079 km
Perigee altitude
759.181 km
Semi-major axis
7,139.767 km
Eccentricity
0.00034
Inclination
44.9937°
RAAN
54.8604°
Arg. of periapsis
137.5813°
True anomaly
222.50354°
Mean anomaly
222.5301°
Eccentric anomaly
222.51682°
Mean motion
3.59764 °/min
Orbital period
100.07 mins
BSTAR
0.00080035
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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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2025-12-11 06:33:19.445Z | 174.225° S | 2025-12-11 06:36:19.445Z | 138.844° SSE | 16.592° | 2025-12-11 06:39:19.445Z | 101.208° ESE |
| 8 mins | 2025-12-11 08:17:19.445Z | 229.931° WSW | 2025-12-11 08:21:19.445Z | 127.586° SE | 42.538° | 2025-12-11 08:25:19.445Z | 70.726° E |
| 9 mins | 2025-12-11 10:02:19.445Z | 275.816° WNW | 2025-12-11 10:06:19.445Z | 350.824° N | 39.184° | 2025-12-11 10:11:19.445Z | 67.099° ENE |
| 8 mins | 2025-12-11 11:48:19.445Z | 297.978° NW | 2025-12-11 11:52:19.445Z | 25.548° NE | 38.42° | 2025-12-11 11:56:19.445Z | 84.404° E |
| 9 mins | 2025-12-11 13:33:19.445Z | 289.367° WNW | 2025-12-11 13:37:19.445Z | 202.354° SSW | 43.5° | 2025-12-11 13:42:19.445Z | 125.358° SE |
| 5 mins | 2025-12-11 15:19:19.445Z | 255.937° W | 2025-12-11 15:21:19.445Z | 230.233° WSW | 17.482° | 2025-12-11 15:24:19.445Z | 190.425° 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 descending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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