IRIDIUM 33 DEB, 36493

Orbit data source: Space-Track

IRIDIUM 33 DEB, 36493 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

36493, 1997-051WK

Orbit

LEO

Country

Related business

Iridium Communications Inc. (US)

Manufacturer

Unknown

Mission

Spacecraft

Bus & Motor

Unknown

Mass

Unknown

Launch date (UTC)

1997-09-14 (29 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: 2 days ago

TLE from 2 days ago

0 IRIDIUM 33 DEB
1 36493U 97051WK  26110.29606113  .00003481  00000-0  61488-3 0  9991
2 36493  86.3538 314.4842 0008020 271.4910  88.5386 14.67176796764021

Epoch: 2026-04-20T07:06Z

TLE epoch observation values (Epoch: 2026-04-20T07:06:19.681Z)

Latitude

0.00004°

Longitude

-0.48604°

Altitude

673.053 km

Speed

7.52 km/s

True Right ascension

20h 57m 56s

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

01:47:20

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

672.664 km

Perigee altitude

661.364 km

Semi-major axis

7,045.151 km

Eccentricity

0.0008

Inclination

86.3538°

RAAN

314.4842°

Arg. of periapsis

271.491°

True anomaly

88.63047°

Mean anomaly

88.5386°

Eccentric anomaly

88.58454°

Mean motion

3.67035 °/min

Orbital period

98.08 mins

BSTAR

0.00061488

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

IRIDIUM 33 DEB, 35924 (Decayed)

IRIDIUM 33 DEB, 34092 (Decayed)

IRIDIUM 33 DEB, 34653 (Decayed)

IRIDIUM 33 DEB, 33778 (Decayed)

IRIDIUM 33 DEB, 34355 (Decayed)

IRIDIUM 33 DEB, 34601 (Decayed)

IRIDIUM 33 DEB, 37552 (Decayed)

IRIDIUM 33 DEB, 33851 (Decayed)

IRIDIUM 33 DEB, 34100 (Decayed)

IRIDIUM 33 DEB, 38235 (Decayed)

IRIDIUM 33 DEB, 38229

IRIDIUM 33 DEB, 35737 (Decayed)

IRIDIUM 33 DEB, 36085 (Decayed)

IRIDIUM 33 DEB, 35908 (Decayed)

IRIDIUM 33 DEB, 39780 (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.
8 mins	2026-04-23 01:08:27.836Z	9.043° NNE	2026-04-23 01:12:27.836Z	65.605° ENE	36.423°	2026-04-23 01:16:27.836Z	155.873° SSE
7 mins	2026-04-23 13:48:27.836Z	173.076° S	2026-04-23 13:51:27.836Z	70.986° E	44.08°	2026-04-23 13:55:27.836Z	6.271° NNE

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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, 36493 on other resources

View IRIDIUM 33 DEB, 36493 on Heavens-Above

View IRIDIUM 33 DEB, 36493 on Keep Track

View IRIDIUM 33 DEB, 36493 on Celestrak

View IRIDIUM 33 DEB, 36493 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, 36493

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 2 days ago

TLE from 2 days ago

TLE epoch observation values (Epoch: 2026-04-20T07:06:19.681Z)

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, 36493 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 2 days ago