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, 2.1 m
Radar Cross Section
1.484 m², Medium (>0.1 m² and < 1m²)
Expand to show TLE details & historyLast TLE update: 15 hours ago
TLE from 15 hours ago
0 ORBCOMM FM 15
1 25418U 98046F 25243.22792088 .00001969 00000-0 68152-3 0 9991
2 25418 44.9960 181.8095 0006127 320.3667 39.6733 14.38718819415055Epoch: 2025-08-31T05:28Z
TLE epoch observation values (Epoch: 2025-08-31T05:28:12.364Z)
Latitude
-0°
Longitude
120.1071°
Altitude
759.367 km
Speed
7.478 km/s
True Right ascension
12h 07m 14s
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
12:34:23
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
768.658 km
Perigee altitude
759.906 km
Semi-major axis
7,142.419 km
Eccentricity
0.00061
Inclination
44.996°
RAAN
181.8095°
Arg. of periapsis
320.3667°
True anomaly
39.71815°
Mean anomaly
39.6733°
Eccentric anomaly
39.69572°
Mean motion
3.59563 °/min
Orbital period
100.12 mins
BSTAR
0.00068152
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Other satellites on launch #46 in the year 1998 (1998-08-02 UTC)
ORBCOMM FM 15 Visibility forecast
Observer location: undefined°, undefined°
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. |
|---|---|---|---|---|---|---|---|
| 8 mins | 2025-08-31 22:17:43.668Z | 196.596° SSW | 2025-08-31 22:21:43.668Z | 141.187° SSE | 26.268° | 2025-08-31 22:25:43.668Z | 85.159° E |
| 9 mins | 2025-09-01 00:02:43.668Z | 249.479° W | 2025-09-01 00:06:43.668Z | 15.079° NNE | 44.746° | 2025-09-01 00:11:43.668Z | 66.199° ENE |
| 8 mins | 2025-09-01 01:48:43.668Z | 289.289° WNW | 2025-09-01 01:51:43.668Z | 341.112° N | 36.766° | 2025-09-01 01:56:43.668Z | 70.082° E |
| 9 mins | 2025-09-01 03:33:43.668Z | 296.856° NW | 2025-09-01 03:37:43.668Z | 9.627° NNE | 42.244° | 2025-09-01 03:42:43.668Z | 98.247° ESE |
| 8 mins | 2025-09-01 05:19:43.668Z | 276.988° WNW | 2025-09-01 05:22:43.668Z | 221.36° SW | 35.692° | 2025-09-01 05:27:43.668Z | 143.302° SSE |
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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Event ID | Pc | Md | Secondary | Secondary name | Country | Click to unsort rows by TCA header |
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Authenticating...
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