ORBCOMM FM 15, 25418
Orbit data source: Space-Track
ORBCOMM FM 15, 25418 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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25418 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: 22 hours ago
TLE from 22 hours ago
0 ORBCOMM FM 15
1 25418U 98046F 25293.70637239 .00002018 00000-0 69410-3 0 9999
2 25418 44.9971 302.1421 0005562 236.1153 123.9166 14.38931846422326Epoch: 2025-10-20T16:57Z
TLE epoch observation values (Epoch: 2025-10-20T16:57:10.574Z)
Latitude
-0.00007°
Longitude
18.44314°
Altitude
764.246 km
Speed
7.473 km/s
True Right ascension
20h 08m 34s
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
09:58:35
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
767.549 km
Perigee altitude
759.605 km
Semi-major axis
7,141.714 km
Eccentricity
0.00056
Inclination
44.9971°
RAAN
302.1421°
Arg. of periapsis
236.1153°
True anomaly
123.96947°
Mean anomaly
123.9166°
Eccentric anomaly
123.94304°
Mean motion
3.59616 °/min
Orbital period
100.11 mins
BSTAR
0.0006941
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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 15 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 02:25:49.824Z | 186.433° SSW | 2025-10-22 02:29:49.824Z | 134.182° SE | 21.405° | 2025-10-22 02:32:49.824Z | 94.258° ESE |
| 8 mins | 2025-10-22 04:10:49.824Z | 240.038° WSW | 2025-10-22 04:13:49.824Z | 217.322° SW | 43.966° | 2025-10-22 04:18:49.824Z | 67.656° E |
| 9 mins | 2025-10-22 05:55:49.824Z | 281.938° WNW | 2025-10-22 05:59:49.824Z | 358.007° N | 37.943° | 2025-10-22 06:04:49.824Z | 69.357° E |
| 8 mins | 2025-10-22 07:41:49.824Z | 298.93° NW | 2025-10-22 07:45:49.824Z | 34.203° NE | 39.943° | 2025-10-22 07:49:49.824Z | 90.608° ESE |
| 9 mins | 2025-10-22 09:26:49.824Z | 284.952° WNW | 2025-10-22 09:30:49.824Z | 201.835° SSW | 40.112° | 2025-10-22 09:35:49.824Z | 133.727° SE |
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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