ORBCOMM FM 19, 25415
Orbit data source: Space-Track
ORBCOMM FM 19, 25415 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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25415 intel report (Beta)
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Identifier
Orbit
Country
US / ORBRelated business
Manufacturer
OSC-Germantown
Mission
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: 2 days ago
TLE from 2 days ago
0 ORBCOMM FM 19
1 25415U 98046C 26171.47310161 .00000477 00000-0 19693-3 0 9993
2 25415 44.9926 227.9426 0004546 294.8894 79.0113 14.39500175457257Epoch: 2026-06-20T11:21Z
TLE epoch observation values (Epoch: 2026-06-20T11:21:15.979Z)
Latitude
9.81292°
Longitude
158.84777°
Altitude
758.792 km
Speed
7.478 km/s
True Right ascension
15h 51m 24s
True Declination
9° 45' 19"
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
23:20:25
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
764.944 km
Perigee altitude
758.453 km
Semi-major axis
7,139.836 km
Eccentricity
0.00045
Inclination
44.9926°
RAAN
227.9426°
Arg. of periapsis
294.8894°
True anomaly
79.06244°
Mean anomaly
79.0113°
Eccentric anomaly
79.03687°
Mean motion
3.59758 °/min
Orbital period
100.07 mins
BSTAR
0.00019693
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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 19 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 | 2026-06-22 13:50:06.370Z | 262.237° W | 2026-06-22 13:53:06.370Z | 224.823° SW | 17.878° | 2026-06-22 13:56:06.370Z | 186.651° SSW |
| 8 mins | 2026-06-23 06:07:06.370Z | 218.254° SW | 2026-06-23 06:11:06.370Z | 126.917° SE | 38.389° | 2026-06-23 06:15:06.370Z | 73.675° E |
| 8 mins | 2026-06-23 07:52:06.370Z | 270.368° WNW | 2026-06-23 07:56:06.370Z | 4.183° NNE | 40.568° | 2026-06-23 08:00:06.370Z | 63.878° ENE |
| 8 mins | 2026-06-23 09:38:06.370Z | 298.136° NW | 2026-06-23 09:41:06.370Z | 353.009° N | 37.406° | 2026-06-23 09:46:06.370Z | 80.194° E |
| 9 mins | 2026-06-23 11:23:06.370Z | 292.748° NW | 2026-06-23 11:27:06.370Z | 138.077° SSE | 44.679° | 2026-06-23 11:32:06.370Z | 116.884° SE |
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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