DECAYED

IRIDIUM 33 DEB, 33864 (Decayed)

Orbit data source: Space-Track

IRIDIUM 33 DEB, 33864 was 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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https://www.satcat.com/sats-embedded/33864?theme=dark&initialShowStats=false

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Identifier

33864, 1997-051AH

Orbit

Decayed

Country

Related business

Iridium Communications Inc. (US)

Manufacturer

Unknown

Mission

Decayed 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)

Expand to show TLE details & history
Last TLE update: 7 months ago

TLE from 7 months ago

0 IRIDIUM 33 DEB
1 33864U 97051AH  25139.68197131  .04457602  65613-1  64048-2 0  9996
2 33864  86.1567  11.5521 0007106 205.9328 154.1610 16.12055539860433

Epoch: 2025-05-19T16:22Z

TLE epoch observation values (Epoch: 2025-05-19T16:22:02.321Z)

Latitude

0.00005°

Longitude

-111.54866°

Altitude

248.74 km

Speed

7.755 km/s

True Right ascension

00h 46m 12s

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

05:46:33

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

242.635 km

Perigee altitude

233.232 km

Semi-major axis

6,616.071 km

Eccentricity

0.00071

Inclination

86.1567°

RAAN

11.5521°

Arg. of periapsis

205.9328°

True anomaly

154.19646°

Mean anomaly

154.161°

Eccentric anomaly

154.17873°

Mean motion

4.03314 °/min

Orbital period

89.26 mins

BSTAR

0.0064048

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

IRIDIUM 33 DEB, 38024 (Decayed)

IRIDIUM 33 DEB, 35802 (Decayed)

IRIDIUM 33 DEB, 38018 (Decayed)

IRIDIUM 33 DEB, 36023 (Decayed)

SL-12 R/B, 24951 (Decayed)

IRIDIUM 33 DEB, 35621 (Decayed)

IRIDIUM 33 DEB, 37551 (Decayed)

IRIDIUM 33 DEB, 36016 (Decayed)

IRIDIUM 33 DEB, 33774 (Decayed)

IRIDIUM 33 DEB, 35483 (Decayed)

IRIDIUM 33 DEB, 36022 (Decayed)

IRIDIUM 33 DEB, 39790 (Decayed)

IRIDIUM 33 DEB, 36389 (Decayed)

IRIDIUM 33 DEB, 35304 (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	2025-12-28 06:52:07.461Z	352.478° N	2025-12-28 06:55:07.461Z	117.421° SE	36.895°	2025-12-28 06:57:07.461Z	144.941° SSE
4 mins	2025-12-28 12:46:07.461Z	22.086° NNE	2025-12-28 12:47:07.461Z	267.573° W	34.732°	2025-12-28 12:50:07.461Z	11.133° NNE
4 mins	2025-12-28 15:06:07.461Z	66.306° ENE	2025-12-28 15:07:07.461Z	319.499° NNW	27.434°	2025-12-28 15:10:07.461Z	67.81° E

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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, 33864 (Decayed) on other resources

View IRIDIUM 33 DEB, 33864 (Decayed) on Celestrak

View IRIDIUM 33 DEB, 33864 (Decayed) 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, 33864 (Decayed)

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 7 months ago

TLE from 7 months ago

TLE epoch observation values (Epoch: 2025-05-19T16:22:02.321Z)

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, 33864 (Decayed) on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 7 months ago