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: 3 hours ago
TLE from 3 hours ago
0 ORBCOMM FM 15
1 25418U 98046F 26038.31707791 .00001766 00000-0 60802-3 0 9990
2 25418 44.9962 141.4360 0002244 47.4723 312.6315 14.39366852438119Epoch: 2026-02-07T07:36Z
TLE epoch observation values (Epoch: 2026-02-07T07:36:35.531Z)
Latitude
-0.00001°
Longitude
-110.15439°
Altitude
759.505 km
Speed
7.477 km/s
True Right ascension
09h 25m 44s
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
12:55:23
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
763.741 km
Perigee altitude
760.536 km
Semi-major axis
7,140.276 km
Eccentricity
0.00022
Inclination
44.9962°
RAAN
141.436°
Arg. of periapsis
47.4723°
True anomaly
312.61258°
Mean anomaly
312.6315°
Eccentric anomaly
312.62204°
Mean motion
3.59725 °/min
Orbital period
100.08 mins
BSTAR
0.00060802
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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. |
|---|---|---|---|---|---|---|---|
| 10 mins | 2026-02-07 11:10:34.853Z | 251.688° W | 2026-02-07 11:15:34.853Z | 20.022° NNE | 44.143° | 2026-02-07 11:20:34.853Z | 66.032° ENE |
| 8 mins | 2026-02-07 12:57:34.853Z | 291.944° WNW | 2026-02-07 13:00:34.853Z | 348.74° N | 36.846° | 2026-02-07 13:05:34.853Z | 71.883° E |
| 9 mins | 2026-02-07 14:42:34.853Z | 297.282° NW | 2026-02-07 14:46:34.853Z | 29.485° NE | 42.812° | 2026-02-07 14:51:34.853Z | 101.134° ESE |
| 8 mins | 2026-02-07 16:27:34.853Z | 279.564° WNW | 2026-02-07 16:31:34.853Z | 210.738° SW | 33.816° | 2026-02-07 16:35:34.853Z | 149.354° SSE |
| 6 mins | 2026-02-08 08:46:34.853Z | 175.55° S | 2026-02-08 08:48:34.853Z | 145.024° SSE | 22.798° | 2026-02-08 08:52:34.853Z | 89.532° E |
| 9 mins | 2026-02-08 10:29:34.853Z | 243.561° WSW | 2026-02-08 10:33:34.853Z | 164.859° S | 44.973° | 2026-02-08 10:38:34.853Z | 66.951° ENE |
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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