IRIDIUM 47 DEB, 40251

Orbit data source: Space-Track

IRIDIUM 47 DEB, 40251 is space debris in LEO originally from a launch on Sat, 20 Dec 1997 UTC launched from the Air Force Western Test Range (AFWTR). Debris objects in space refer to the collection of defunct objects orbiting the Earth. Examples of debris include non-operational satellites, rocket bodies, and fragments generated from explosions, collisions, or faulty payload assembly.

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Iframe URL

https://www.satcat.com/sats-embedded/40251?theme=dark&initialShowStats=false

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Identifier

40251, 1997-082L

Orbit

LEO

Country

Related business

Iridium Communications Inc. (US)

Manufacturer

Unknown

Mission

Spacecraft

Bus & Motor

Unknown

Mass

Unknown

Launch date (UTC)

1997-12-20 (28 years ago)

Launch vehicle

Unknown

Launch site

Air Force Western Test Range (AFWTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Unknown shape, 0.1 m

Radar Cross Section

Small (<0.1 m²)

Expand to show TLE details & history
Last TLE update: 10 hours ago

TLE from 10 hours ago

0 IRIDIUM 47 DEB
1 40251U 97082L   25310.87757405  .00014570  00000-0  52356-2 0  9992
2 40251  86.3247 110.8366 0128208 150.0222 210.8394 14.29223440569921

Epoch: 2025-11-06T21:03Z

TLE epoch observation values (Epoch: 2025-11-06T21:03:42.397Z)

Latitude

-0.00003°

Longitude

108.58036°

Altitude

876.648 km

Speed

7.373 km/s

True Right ascension

07h 23m 20s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

Unknown

Longitude

Unknown

Altitude

Unknown

Speed

Unknown

Apparent Right ascension

Unknown

Apparent Declination

Unknown

Sunlit

N/A

Visualization observer readout

Local Sidereal Time

02:40:56

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

883.218 km

Perigee altitude

699.382 km

Semi-major axis

7,169.437 km

Eccentricity

0.01282

Inclination

86.3247°

RAAN

110.8366°

Arg. of periapsis

150.0222°

True anomaly

210.09651°

Mean anomaly

210.8394°

Eccentric anomaly

210.46694°

Mean motion

3.57533 °/min

Orbital period

100.69 mins

BSTAR

0.0052356

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

IRIDIUM 47 DEB, 40255

IRIDIUM 47 DEB, 57002 (Decayed)

IRIDIUM 47 DEB, 40256 (Decayed)

IRIDIUM 24, 25105

IRIDIUM 45, 25104

IRIDIUM 47 DEB, 57003 (Decayed)

IRIDIUM 47 DEB, 25141 (Decayed)

IRIDIUM 47 DEB, 40254

IRIDIUM 47 DEB, 40252 (Decayed)

IRIDIUM 47 DEB, 40250 (Decayed)

IRIDIUM 47 DEB, 40249

IRIDIUM 47 DEB, 40248 (Decayed)

DELTA 2 R/B, 25109 (Decayed)

IRIDIUM 47 DEB, 40253 (Decayed)

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IRIDIUM 47 DEB Visibility forecast

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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 mins	2025-11-07 10:37:31.742Z	143.474° SSE	2025-11-07 10:41:31.742Z	87.9° E	29.046°	2025-11-07 10:45:31.742Z	27.077° NE
7 mins	2025-11-07 12:19:31.742Z	232.816° WSW	2025-11-07 12:22:31.742Z	276.631° WNW	25.146°	2025-11-07 12:26:31.742Z	333.787° NNW
8 mins	2025-11-07 22:51:31.742Z	1.266° NNE	2025-11-07 22:54:31.742Z	30.296° NE	43.591°	2025-11-07 22:59:31.742Z	174.738° S

Co-orbital & Co-planar RSOs

Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions

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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings

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Check out IRIDIUM 47 DEB, 40251 on other resources

View IRIDIUM 47 DEB, 40251 on Heavens-Above

View IRIDIUM 47 DEB, 40251 on Keep Track

View IRIDIUM 47 DEB, 40251 on Celestrak

View IRIDIUM 47 DEB, 40251 on Gunter's Space Page

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

IRIDIUM 47 DEB, 40251

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 10 hours ago

TLE from 10 hours ago

TLE epoch observation values (Epoch: 2025-11-06T21:03:42.397Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

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

IRIDIUM 47 DEB Visibility forecast

Co-orbital & Co-planar RSOs

Check out IRIDIUM 47 DEB, 40251 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 10 hours ago