IRIDIUM 33 DEB, 33860

Orbit data source: Space-Track

IRIDIUM 33 DEB, 33860 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

33860, 1997-051AD

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

Medium (>0.1 m² and <1 m²)

Expand to show TLE details & history
Last TLE update: 17 hours ago

TLE from 17 hours ago

0 IRIDIUM 33 DEB
1 33860U 97051AD  26208.67761946  .00005794  00000-0  94862-3 0  9993
2 33860  86.3813 286.4881 0005649 268.7342 243.7735 14.70637218920544

Epoch: 2026-07-27T16:15Z

TLE epoch observation values (Epoch: 2026-07-27T16:15:46.321Z)

Latitude

27.53089°

Longitude

-84.69157°

Altitude

664.334 km

Speed

7.527 km/s

True Right ascension

06h 58m 26s

True Declination

27° 23' 18"

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

22:59:58

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

659.922 km

Perigee altitude

651.975 km

Semi-major axis

7,034.085 km

Eccentricity

0.00056

Inclination

86.3813°

RAAN

286.4881°

Arg. of periapsis

268.7342°

True anomaly

243.71545°

Mean anomaly

243.7735°

Eccentric anomaly

243.74447°

Mean motion

3.67902 °/min

Orbital period

97.85 mins

BSTAR

0.00094862

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

IRIDIUM 33 DEB, 36080

IRIDIUM 33 DEB, 34087 (Decayed)

IRIDIUM 33 DEB, 34157 (Decayed)

IRIDIUM 33 DEB, 46983 (Decayed)

IRIDIUM 33 DEB, 35624 (Decayed)

IRIDIUM 33 DEB, 34658 (Decayed)

IRIDIUM 33 DEB, 35294 (Decayed)

IRIDIUM 33 DEB, 33950 (Decayed)

IRIDIUM 33 DEB, 34829 (Decayed)

IRIDIUM 33 DEB, 34539 (Decayed)

IRIDIUM 33 DEB, 37552 (Decayed)

IRIDIUM 33 DEB, 33857 (Decayed)

IRIDIUM 33 DEB, 36026 (Decayed)

IRIDIUM 33 DEB, 34511 (Decayed)

IRIDIUM 33 DEB, 34834 (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.
7 mins	2026-07-28 16:38:10.282Z	22.307° NNE	2026-07-28 16:42:10.282Z	88.498° E	25.713°	2026-07-28 16:45:10.282Z	136.475° SSE
5 mins	2026-07-28 18:18:10.282Z	309.385° NW	2026-07-28 18:20:10.282Z	272.09° WNW	21.888°	2026-07-28 18:23:10.282Z	227.388° WSW
6 mins	2026-07-29 05:16:10.282Z	145.519° SSE	2026-07-29 05:19:10.282Z	70.152° E	33.118°	2026-07-29 05:22:10.282Z	21.163° 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, 33860 on other resources

View IRIDIUM 33 DEB, 33860 on Heavens-Above

View IRIDIUM 33 DEB, 33860 on Keep Track

View IRIDIUM 33 DEB, 33860 on Celestrak

View IRIDIUM 33 DEB, 33860 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, 33860

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 17 hours ago

TLE from 17 hours ago

TLE epoch observation values (Epoch: 2026-07-27T16:15:46.321Z)

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, 33860 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 17 hours ago