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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   25184.17542281  .00000546  00000-0  22885-3 0  9998
2 25416  44.9942 105.5521 0002263 346.9060  13.1729 14.37233010406605
Epoch: 2025-07-03T04:12Z
TLE epoch observation values (Epoch: 2025-07-03T04:12:36.53Z)
Latitude
-0.00001°
Longitude
120.95394°
Altitude
766.079 km
Speed
7.474 km/s
True Right ascension
07h 02m 12s
True Declination
0° 00' 00"
Sunlit
Object was in daylight at epoch
Visualization orbit readout
Latitude
-36.23292°
Longitude
72.55487°
Altitude
777.278 km
Speed
7.466 km/s
Apparent Right ascension
07h 21m 13s
Apparent Declination
-58° 26' 59"
Sunlit
Object is in daylight
Visualization observer readout
Local Sidereal Time
00:04:02
Azimuth
137.696° SSE
Elevation
-42.799°
Doppler factor
1
Orbital elements
Apogee altitude
770.819 km
Perigee altitude
767.584 km
Semi-major axis
7,147.339 km
Eccentricity
0.00023
Inclination
44.9942°
RAAN
105.5521°
Arg. of periapsis
346.906°
True anomaly
Unknown
Mean anomaly
13.1729°
Eccentric anomaly
Unknown
Mean motion
3.59192 °/min
Orbital period
100.22 mins
BSTAR
0.00022885
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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 mins2025-07-03 21:03:23.939Z193.162° SSW2025-07-03 21:07:23.939Z134.403° SE25.586°2025-07-03 21:11:23.939Z83.554° E
8 mins2025-07-03 22:48:23.939Z248.526° W2025-07-03 22:52:23.939Z46.36° ENE44.315°2025-07-03 22:56:23.939Z65.903° ENE
8 mins2025-07-04 00:34:23.939Z289.582° WNW2025-07-04 00:37:23.939Z345.178° N37.112°2025-07-04 00:42:23.939Z70.214° E
9 mins2025-07-04 02:19:23.939Z296.915° NW2025-07-04 02:23:23.939Z9.945° NNE42.063°2025-07-04 02:28:23.939Z97.525° ESE
8 mins2025-07-04 04:05:23.939Z278.334° WNW2025-07-04 04:08:23.939Z225.507° WSW36.069°2025-07-04 04:13:23.939Z142.807° SSE
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