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ORBCOMM FM 18, 25414

Orbit data source: Space-Track

ORBCOMM FM 18, 25414 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
25414, 1998-046B
Orbit
LEO
Last TLE update
8 hours ago
Origin
Manufacturer
OSC-Germantown
Mission
Non-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 18
1 25414U 98046B   25128.90316140  .00001507  00000-0  53507-3 0  9991
2 25414  44.9945   1.4397 0004978  78.5846 281.5562 14.38463647398592
Epoch: 2025-05-08T21:40Z
Definitive object data (Epoch: 2025-05-08T21:40:33.144Z)
Latitude
0.00002°
Longitude
169.33463°
Altitude
762.867 km
Speed
7.475 km/s
True Right ascension
00h 05m 45s
True Declination
0° 00' 00"
Sunlit
Object was in daylight at TLE epoch
Visualization TLE readout
Latitude
-18.23492°
Longitude
6.96055°
Altitude
769.764 km
Speed
7.469 km/s
Apparent Right ascension
12h 50m 08s
Apparent Declination
-73° 07' 32"
Sunlit
Object is in full shadow
Visualization observer readout
Local Sidereal Time
13:26:25
Azimuth
182.855° SSW
Elevation
-23.215°
Doppler factor
1
Orbital elements
Apogee altitude
768.682 km
Perigee altitude
761.57 km
Semi-major axis
7,143.263 km
Eccentricity
0.0004978
Inclination
44.9945°
RAAN
1.4397°
Arg. of periapsis
78.5846°
True anomaly
281.50031°
Mean anomaly
281.5562°
Eccentric anomaly
281.52825°
Mean motion
3.59499 °/min
BSTAR
0.00053507
Orbital period
100.14 mins
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Loading SW <> Apogee altitude chart data...

ORBCOMM FM 18 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 17:50:46.766Z198.258° SSW2025-05-09 17:54:46.766Z137.108° SSE28.014°2025-05-09 17:58:46.766Z82.493° E
9 mins2025-05-09 19:35:46.766Z252.852° W2025-05-09 19:39:46.766Z21.365° NNE44.132°2025-05-09 19:44:46.766Z66.053° ENE
8 mins2025-05-09 21:21:46.766Z291.523° WNW2025-05-09 21:24:46.766Z346.647° N36.779°2025-05-09 21:29:46.766Z71.655° E
9 mins2025-05-09 23:06:46.766Z296.941° NW2025-05-09 23:10:46.766Z19.702° NNE42.891°2025-05-09 23:15:46.766Z100.899° ESE
8 mins2025-05-10 00:52:46.766Z273.922° WNW2025-05-10 00:55:46.766Z216.534° SW33.877°2025-05-10 01:00:46.766Z145.764° SSE
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