IRIDIUM 33 DEB, 35809

Orbit data source: Space-Track

IRIDIUM 33 DEB, 35809 is space debris in LEO originally from a launch on Sun, 14 Sep 1997 UTC launched from the Tyuratam Missile And Space Complex (TTMTR). The debris from Iridium 33, an American commercial communications satellite, has been tracked extensively since its accidental collision with the defunct Russian satellite Cosmos 2251 in 2009. This event, occurring at high speed in low Earth orbit (LEO), generated thousands of pieces of space debris, significantly increasing the risk of further collisions. The Iridium 33 debris cloud has impacted space traffic management and orbital debris mitigation strategies, making it a subject of ongoing study in space situational awareness.

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Identifier

35809, 1997-051ST

Orbit

LEO

Country

Related business

Iridium Communications Inc. (US)

Manufacturer

Unknown

Mission

Spacecraft

Bus & Motor

Unknown

Mass

Unknown

Launch date (UTC)

1997-09-14 (28 years ago)

Launch vehicle

Unknown

Launch site

Tyuratam Missile And Space Complex (TTMTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Unknown shape, 0.1 m

Radar Cross Section

Small (<0.1 m²)

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Last TLE update: 5 days ago

TLE from 5 days ago

0 IRIDIUM 33 DEB
1 35809U 97051ST  25340.28361633  .00020329  00000-0  29776-2 0  9992
2 35809  86.3276 338.2877 0009659 270.8385  89.1727 14.75488502867121

Epoch: 2025-12-06T06:48Z

TLE epoch observation values (Epoch: 2025-12-06T06:48:24.450Z)

Latitude

-0.00003°

Longitude

160.87225°

Altitude

646.618 km

Speed

7.534 km/s

True Right ascension

22h 33m 09s

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

20:38:52

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

647.288 km

Perigee altitude

633.73 km

Semi-major axis

7,018.646 km

Eccentricity

0.00097

Inclination

86.3276°

RAAN

338.2877°

Arg. of periapsis

270.8385°

True anomaly

89.28337°

Mean anomaly

89.1727°

Eccentric anomaly

89.22804°

Mean motion

3.69116 °/min

Orbital period

97.53 mins

BSTAR

0.0029776

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Other satellites on launch #51 in the year 1997 (1997-09-14 UTC)

IRIDIUM 33 DEB, 35921 (Decayed)

IRIDIUM 33 DEB, 35734 (Decayed)

IRIDIUM 33 DEB, 35801 (Decayed)

IRIDIUM 33 DEB, 36482

IRIDIUM 33 DEB, 36485 (Decayed)

IRIDIUM 33 DEB, 36498 (Decayed)

IRIDIUM 33 DEB, 36484 (Decayed)

IRIDIUM 33 DEB, 36389 (Decayed)

IRIDIUM 33 DEB, 34363 (Decayed)

IRIDIUM 33 DEB, 34531 (Decayed)

IRIDIUM 33 DEB, 34158 (Decayed)

IRIDIUM 33 DEB, 35743 (Decayed)

IRIDIUM 33 DEB, 33863 (Decayed)

IRIDIUM 33 DEB, 36013 (Decayed)

IRIDIUM 33 DEB, 33771 (Decayed)

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IRIDIUM 33 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.
5 mins	2025-12-10 23:14:46.809Z	122.546° SE	2025-12-10 23:17:46.809Z	75.781° E	18.604°	2025-12-10 23:19:46.809Z	45.132° ENE
6 mins	2025-12-11 00:52:46.809Z	227.848° WSW	2025-12-11 00:54:46.809Z	269.145° W	29.004°	2025-12-11 00:58:46.809Z	341.026° N
6 mins	2025-12-11 11:04:46.809Z	27.093° NE	2025-12-11 11:07:46.809Z	82.246° E	26.795°	2025-12-11 11:10:46.809Z	136.158° SSE
5 mins	2025-12-11 12:43:46.809Z	307.334° NW	2025-12-11 12:45:46.809Z	270.777° WNW	20.38°	2025-12-11 12:48:46.809Z	227.99° WSW

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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 33 DEB, 35809 on other resources

View IRIDIUM 33 DEB, 35809 on Heavens-Above

View IRIDIUM 33 DEB, 35809 on Keep Track

View IRIDIUM 33 DEB, 35809 on Celestrak

View IRIDIUM 33 DEB, 35809 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 33 DEB, 35809

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 5 days ago

TLE from 5 days ago

TLE epoch observation values (Epoch: 2025-12-06T06:48:24.450Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #51 in the year 1997 (1997-09-14 UTC)

IRIDIUM 33 DEB Visibility forecast

Co-orbital & Co-planar RSOs

Check out IRIDIUM 33 DEB, 35809 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 5 days ago