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ORBCOMM FM 25, 25479

Orbit data source: Space-Track

ORBCOMM FM 25, 25479 is a payload satellite in LEO that was launched on Wed, 23 Sep 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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<iframe src="https://www.satcat.com/sats-embedded/25479?theme=dark&initialShowStats=false" width="600" height="400" frameborder="0" title="Kayhan Space Satcat Satellite Viewer"></iframe>

Iframe URL

https://www.satcat.com/sats-embedded/25479?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

25479, 1998-053E

Orbit

LEO

Last TLE update

20 hours ago

Origin

Orbcomm Inc. (US)

Manufacturer

OSC-Germantown

Mission

Non-operational Commercial Communications

Bus & Motor

MICROSTAR, Unknown motor

Mass

42 kg wet, 42 kg dry

Launch date (UTC)

1998-09-23 (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 20 hours ago

0 ORBCOMM FM 25
1 25479U 98053E   25142.36510600  .00001009  00000-0  37689-3 0  9993
2 25479  45.0083  29.7917 0004203 100.6544 259.4778 14.38020055394021

Epoch: 2025-05-22T08:45Z

TLE epoch observation values (Epoch: 2025-05-22T08:45:45.158Z)

Latitude

0°

Longitude

18.11783°

Altitude

765.597 km

Speed

7.473 km/s

True Right ascension

01h 59m 10s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

4.764°

Longitude

18.91159°

Altitude

764.969 km

Speed

7.473 km/s

Apparent Right ascension

01h 58m 04s

Apparent Declination

-16° 09' 32"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

13:51:51

Azimuth

356.304° N

Elevation

-66.204°

Doppler factor

Orbital elements

Apogee altitude

769.595 km

Perigee altitude

763.589 km

Semi-major axis

7,144.729 km

Eccentricity

0.00042

Inclination

45.0083°

RAAN

29.7917°

Arg. of periapsis

100.6544°

True anomaly

Unknown

Mean anomaly

259.4778°

Eccentric anomaly

Unknown

Mean motion

3.59389 °/min

Orbital period

100.17 mins

BSTAR

0.00037689

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Other satellites on launch #53 in the year 1998 (1998-09-23 UTC)

PEGASUS R/B(1), 25483 (Decayed)

PEGASUS R/B(2), 25484

ORBCOMM FM 25 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.
7 mins	2025-05-23 18:16:06.155Z	185.06° SSW	2025-05-23 18:19:06.155Z	146.257° SSE	21.883°	2025-05-23 18:23:06.155Z	91.055° ESE
9 mins	2025-05-23 20:00:06.155Z	241.931° WSW	2025-05-23 20:04:06.155Z	207.103° SW	44.714°	2025-05-23 20:09:06.155Z	67.247° ENE
8 mins	2025-05-23 21:46:06.155Z	283.525° WNW	2025-05-23 21:50:06.155Z	4.813° NNE	37.546°	2025-05-23 21:54:06.155Z	66.599° ENE
8 mins	2025-05-23 23:32:06.155Z	299.437° NW	2025-05-23 23:35:06.155Z	348.438° N	39.906°	2025-05-23 23:40:06.155Z	91.846° ESE
8 mins	2025-05-24 01:17:06.155Z	284.113° WNW	2025-05-24 01:21:06.155Z	200.072° SSW	39.401°	2025-05-24 01:25:06.155Z	137.637° SSE

Authenticating...

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Check out ORBCOMM FM 25, 25479 on other resources

View ORBCOMM FM 25, 25479 on NASA - NSSDCA Website

View ORBCOMM FM 25, 25479 on Heavens-Above

View ORBCOMM FM 25, 25479 on Keep Track

View ORBCOMM FM 25, 25479 on Celestrak

View ORBCOMM FM 25, 25479 on Gunter's Space Page

Satcat and Kayhan Space are not affiliated with NASA, Celestrak, Heavens-Above, Keep Track, or Gunter's Space Page.