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ORBCOMM FM 20, 25416

Orbit data source: Space-Track

ORBCOMM FM 20, 25416 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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Identifier
25416, 1998-046D
Orbit
LEO
Last TLE update
8 hours ago
Origin
Manufacturer
OSC-Germantown
Mission
Operational Commercial Communications
Bus & Motor
MICROSTAR, Unknown motor
Mass
42 kg wet, 42 kg dry
Launch date (UTC)
1998-08-02 (27 years ago)
Launch vehicle
PEGASUS XL/HAPS
Launch site
Pegasus Launch, Eastern Range Air Space (ERAS)
Object type
Payload
Rocket body
Debris
Shape & HBR
Cyl + 2 Pan, 4.3 m
Radar Cross Section
1.484 m², Medium (>0.1 m² and < 1m²)

Expand to show TLE details & history

TLE from 8 hours ago
0 ORBCOMM FM 20
1 25416U 98046D   25128.91282376  .00001043  00000-0  39495-3 0  9992
2 25416  44.9961   7.2539 0001147  50.2493 309.8456 14.37141095398612
Epoch: 2025-05-08T21:54Z
Definitive object data (Epoch: 2025-05-08T21:54:27.972Z)
Latitude
-0.00001°
Longitude
171.66083°
Altitude
767.433 km
Speed
7.472 km/s
True Right ascension
00h 29m 00s
True Declination
0° 00' 00"
Sunlit
Object was in daylight at TLE epoch
Visualization TLE readout
Latitude
-37.91547°
Longitude
40.91777°
Altitude
780.23 km
Speed
7.464 km/s
Apparent Right ascension
19h 46m 10s
Apparent Declination
-72° 03' 15"
Sunlit
Object is in full shadow
Visualization observer readout
Local Sidereal Time
13:50:17
Azimuth
157.21° SSE
Elevation
-37.316°
Doppler factor
1
Orbital elements
Apogee altitude
770.326 km
Perigee altitude
768.686 km
Semi-major axis
7,147.643 km
Eccentricity
0.0001147
Inclination
44.9961°
RAAN
7.2539°
Arg. of periapsis
50.2493°
True anomaly
309.83551°
Mean anomaly
309.8456°
Eccentric anomaly
309.84055°
Mean motion
3.59169 °/min
BSTAR
0.00039495
Orbital period
100.23 mins
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Loading SW <> Apogee altitude chart data...

ORBCOMM FM 20 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 mins2025-05-09 18:05:34.376Z193.319° SSW2025-05-09 18:09:34.376Z134.057° SE25.755°2025-05-09 18:13:34.376Z83.322° E
8 mins2025-05-09 19:50:34.376Z248.866° W2025-05-09 19:54:34.376Z44.958° NE44.273°2025-05-09 19:58:34.376Z65.837° ENE
8 mins2025-05-09 21:36:34.376Z289.732° WNW2025-05-09 21:39:34.376Z345.252° N37.078°2025-05-09 21:44:34.376Z70.306° E
9 mins2025-05-09 23:21:34.376Z296.891° NW2025-05-09 23:25:34.376Z9.612° NNE42.114°2025-05-09 23:30:34.376Z97.742° ESE
8 mins2025-05-10 01:07:34.376Z278.211° WNW2025-05-10 01:10:34.376Z225.668° WSW35.876°2025-05-10 01:15:34.376Z143.134° SSE
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