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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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: 17 hours ago
TLE from 17 hours ago
0 ORBCOMM FM 15
1 25418U 98046F 26307.70006036 .00000542 00000-0 21600-3 0 9990
2 25418 44.9969 300.6562 0006537 304.0462 55.9766 14.39903126476930Epoch: 2026-11-03T16:48Z
TLE epoch observation values (Epoch: 2026-11-03T16:48:05.215Z)
Latitude
0.00001°
Longitude
5.67551°
Altitude
756.209 km
Speed
7.479 km/s
True Right ascension
20h 02m 37s
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
05:41:43
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
765.033 km
Perigee altitude
755.7 km
Semi-major axis
7,138.503 km
Eccentricity
0.00065
Inclination
44.9969°
RAAN
300.6562°
Arg. of periapsis
304.0462°
True anomaly
56.03871°
Mean anomaly
55.9766°
Eccentric anomaly
56.00765°
Mean motion
3.59859 °/min
Orbital period
100.04 mins
BSTAR
0.000216
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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 | 2026-11-04 10:00:33.991Z | 269.728° W | 2026-11-04 10:04:33.991Z | 216.448° SW | 23.279° | 2026-11-04 10:07:33.991Z | 176.979° S |
| 8 mins | 2026-11-05 02:17:33.991Z | 211.637° SW | 2026-11-05 02:21:33.991Z | 136.755° SSE | 45.429° | 2026-11-05 02:25:33.991Z | 76.972° E |
| 9 mins | 2026-11-05 04:02:33.991Z | 264.654° W | 2026-11-05 04:06:33.991Z | 0.028° NNE | 64.313° | 2026-11-05 04:11:33.991Z | 65.553° ENE |
| 8 mins | 2026-11-05 05:48:33.991Z | 296.371° NW | 2026-11-05 05:51:33.991Z | 349.762° N | 48.189° | 2026-11-05 05:56:33.991Z | 76.282° E |
| 9 mins | 2026-11-05 07:33:33.991Z | 295.298° NW | 2026-11-05 07:37:33.991Z | 56.156° ENE | 80.831° | 2026-11-05 07:42:33.991Z | 110.642° ESE |
| 8 mins | 2026-11-05 09:18:33.991Z | 272.614° WNW | 2026-11-05 09:22:33.991Z | 210.646° SW | 30.186° | 2026-11-05 09:26:33.991Z | 160.216° S |
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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