ORBCOMM FM 35, 25985
Orbit data source: Space-Track
ORBCOMM FM 35, 25985 is a payload satellite owned by Orbcomm (US) in LEO that was launched on Sat, 04 Dec 1999 UTC via a PEGASUS XL/HAPS launch vehicle from the Air Force Eastern Test Range (AFETR). 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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25985 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
44 kg wet, 44 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 days ago
TLE from 3 days ago
0 ORBCOMM FM 35
1 25985U 99065F 26171.00334581 .00000460 00000-0 19731-3 0 9993
2 25985 45.0374 154.3235 0002243 34.1412 325.9581 14.38072233387715Epoch: 2026-06-20T00:04Z
TLE epoch observation values (Epoch: 2026-06-20T00:04:49.077Z)
Latitude
-0.00002°
Longitude
-115.10522°
Altitude
763.55 km
Speed
7.475 km/s
True Right ascension
10h 17m 17s
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
23:07:59
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
768.017 km
Perigee altitude
764.812 km
Semi-major axis
7,144.552 km
Eccentricity
0.00022
Inclination
45.0374°
RAAN
154.3235°
Arg. of periapsis
34.1412°
True anomaly
325.94371°
Mean anomaly
325.9581°
Eccentric anomaly
325.9509°
Mean motion
3.59402 °/min
Orbital period
100.17 mins
BSTAR
0.00019731
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Other satellites on launch #65 in the year 1999 (1999-12-04 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 35 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 | 2026-06-22 23:55:42.791Z | 179.292° S | 2026-06-22 23:58:42.791Z | 141.435° SSE | 19.507° | 2026-06-23 00:02:42.791Z | 91.176° ESE |
| 9 mins | 2026-06-23 01:39:42.791Z | 236.82° WSW | 2026-06-23 01:43:42.791Z | 144.389° SSE | 44.322° | 2026-06-23 01:48:42.791Z | 68.033° E |
| 8 mins | 2026-06-23 03:25:42.791Z | 282.605° WNW | 2026-06-23 03:28:42.791Z | 335.106° NNW | 37.799° | 2026-06-23 03:33:42.791Z | 66.641° ENE |
| 9 mins | 2026-06-23 05:10:42.791Z | 296.408° NW | 2026-06-23 05:14:42.791Z | 3.158° NNE | 39.66° | 2026-06-23 05:19:42.791Z | 89.435° E |
| 8 mins | 2026-06-23 06:56:42.791Z | 285.662° WNW | 2026-06-23 07:00:42.791Z | 181.725° SSW | 40.872° | 2026-06-23 07:04:42.791Z | 131.886° SE |
| 5 mins | 2026-06-23 08:42:42.791Z | 250.493° W | 2026-06-23 08:44:42.791Z | 225.794° WSW | 15.015° | 2026-06-23 08:47:42.791Z | 190.946° SSW |
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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