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IRIDIUM 45, 25104

Orbit data source: Space-Track

IRIDIUM 45, 25104 is a payload satellite owned by Iridium (US) in LEO that was launched on Sat, 20 Dec 1997 UTC via a DELTA 7920-10C launch vehicle from the Air Force Western Test Range (AFWTR). 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/25104?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/25104?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

25104, 1997-082A

Orbit

LEO

Last TLE update

1 day ago

Origin

Iridium Communications Inc. (US)

Manufacturer

MOTO/LMMS

Mission

Non-operational Commercial Communications

Bus & Motor

LM700, Unknown motor

Mass

662 kg wet, 556 kg dry

Launch date (UTC)

1997-12-20 (28 years ago)

Launch vehicle

DELTA 7920-10C

Launch site

Air Force Western Test Range (AFWTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Box + 2 Pan, 8.37 m

Radar Cross Section

5.666 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 1 day ago

0 IRIDIUM 45
1 25104U 97082A   25189.61203441  .00008943  00000-0  31761-3 0  9999
2 25104  86.3568  37.4822 0113132 250.9444 107.9520 15.22877552455300

Epoch: 2025-07-08T14:41Z

TLE epoch observation values (Epoch: 2025-07-08T14:41:19.773Z)

Latitude

-0.00003°

Longitude

-109.65471°

Altitude

525.113 km

Speed

7.587 km/s

True Right ascension

02h 29m 55s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

86.26787°

Longitude

-34.05454°

Altitude

582.835 km

Speed

7.536 km/s

Apparent Right ascension

16h 13m 51s

Apparent Declination

31° 51' 40"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

04:30:04

Azimuth

3.621° NNE

Elevation

-18.125°

Doppler factor

Orbital elements

Apogee altitude

571.753 km

Perigee altitude

416.261 km

Semi-major axis

6,872.144 km

Eccentricity

0.01131

Inclination

86.3568°

RAAN

37.4822°

Arg. of periapsis

250.9444°

True anomaly

Unknown

Mean anomaly

107.952°

Eccentric anomaly

Unknown

Mean motion

3.80982 °/min

Orbital period

94.49 mins

BSTAR

0.00031761

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Other satellites on launch #82 in the year 1997 (1997-12-20 UTC)

IRIDIUM 24, 25105

IRIDIUM 47, 25106 (Decayed)

IRIDIUM 48, 25107 (Decayed)

IRIDIUM 49, 25108 (Decayed)

DELTA 2 R/B, 25109 (Decayed)

IRIDIUM 47 DEB, 25141 (Decayed)

IRIDIUM 47 DEB, 40248 (Decayed)

IRIDIUM 47 DEB, 40249

IRIDIUM 47 DEB, 40250 (Decayed)

IRIDIUM 47 DEB, 40251

IRIDIUM 47 DEB, 40252 (Decayed)

IRIDIUM 47 DEB, 40253 (Decayed)

IRIDIUM 47 DEB, 40254

IRIDIUM 47 DEB, 40255

IRIDIUM 45 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.
6 mins	2025-07-10 01:57:07.237Z	358.955° N	2025-07-10 02:00:07.237Z	15.908° NNE	43.962°	2025-07-10 02:03:07.237Z	176.222° S
6 mins	2025-07-10 14:08:07.237Z	164.48° S	2025-07-10 14:11:07.237Z	54.031° ENE	39.746°	2025-07-10 14:14:07.237Z	11.059° NNE

Authenticating...

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Check out IRIDIUM 45, 25104 on other resources

View IRIDIUM 45, 25104 on NASA - NSSDCA Website

View IRIDIUM 45, 25104 on Heavens-Above

View IRIDIUM 45, 25104 on Keep Track

View IRIDIUM 45, 25104 on Celestrak

View IRIDIUM 45, 25104 on Gunter's Space Page

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