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IRIDIUM 33, 24946

Orbit data source: Space-Track

IRIDIUM 33, 24946 is a payload satellite owned by Iridium (US) in LEO that was launched on Sun, 14 Sep 1997 UTC via a PROTON-K/17S40 launch vehicle from the Tyuratam Missile And Space Complex (TTMTR). Payload-class satellites include a variety of spacecraft equipped with specific instruments for various scientific and technological missions. These include communications satellites like Starlink; space stations such as the ISS; scientific satellites like the Hubble; Earth observation satellites from companies like Planet Labs, Umbra, and HawkEye 360; GPS; miniature CubeSats for education and research; and military/defense satellites.

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https://www.satcat.com/sats-embedded/24946?theme=dark&initialShowStats=false

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Identifier

24946, 1997-051C

Orbit

LEO

Country

Related business

Iridium Communications Inc. (US)

Manufacturer

MOTO/LMMS

Mission

Non-operational Commercial Communications

Bus & Motor

LM700, Unknown motor

Mass

662 kg wet, 556 kg dry

Launch date (UTC)

1997-09-14 (28 years ago)

Launch vehicle

PROTON-K/17S40

Launch site

Tyuratam Missile And Space Complex (TTMTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Box + 2 Pan, 4.2 m

Radar Cross Section

5.666 m², Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 9 hours ago

TLE from 9 hours ago

0 IRIDIUM 33
1 24946U 97051C   26049.48155662  .00000285  00000-0  92970-4 0  9991
2 24946  86.3845  39.7632 0008043  10.0021 350.1334 14.35088397488063

Epoch: 2026-02-18T11:33Z

TLE epoch observation values (Epoch: 2026-02-18T11:33:26.491Z)

Latitude

-0.00003°

Longitude

77.95624°

Altitude

772.156 km

Speed

7.471 km/s

True Right ascension

02h 39m 03s

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

23:46:25

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

777.487 km

Perigee altitude

765.986 km

Semi-major axis

7,149.873 km

Eccentricity

0.0008

Inclination

86.3845°

RAAN

39.7632°

Arg. of periapsis

10.0021°

True anomaly

350.11759°

Mean anomaly

350.1334°

Eccentric anomaly

350.1255°

Mean motion

3.59001 °/min

Orbital period

100.28 mins

BSTAR

0.00009297

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

IRIDIUM 33 DEB, 35855 (Decayed)

IRIDIUM 33 DEB, 38473 (Decayed)

IRIDIUM 33 DEB, 33958 (Decayed)

IRIDIUM 33 DEB, 34654 (Decayed)

IRIDIUM 31, 24950 (Decayed)

IRIDIUM 33 DEB, 34931 (Decayed)

IRIDIUM 33 DEB, 34504 (Decayed)

IRIDIUM 33 DEB, 34832 (Decayed)

IRIDIUM 33 DEB, 34867 (Decayed)

IRIDIUM 33 DEB, 44995 (Decayed)

IRIDIUM 33 DEB, 34535 (Decayed)

IRIDIUM 33 DEB, 34501 (Decayed)

IRIDIUM 33 DEB, 34494 (Decayed)

IRIDIUM 33 DEB, 36497

IRIDIUM 33 DEB, 33772 (Decayed)

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IRIDIUM 33 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.
9 mins	2026-02-18 23:22:35.196Z	160.021° S	2026-02-18 23:27:35.196Z	80.206° E	36.63°	2026-02-18 23:31:35.196Z	16.934° NNE
5 mins	2026-02-19 01:06:35.196Z	259.26° W	2026-02-19 01:08:35.196Z	287.649° WNW	17.261°	2026-02-19 01:11:35.196Z	324.771° NNW
8 mins	2026-02-19 11:34:35.196Z	350.789° N	2026-02-19 11:38:35.196Z	229.064° WSW	42.729°	2026-02-19 11:42:35.196Z	187.354° SSW

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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, 24946 on other resources

View IRIDIUM 33, 24946 on NASA - NSSDCA Website

View IRIDIUM 33, 24946 on Heavens-Above

View IRIDIUM 33, 24946 on Keep Track

View IRIDIUM 33, 24946 on Celestrak

View IRIDIUM 33, 24946 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, 24946

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 9 hours ago

TLE from 9 hours ago

TLE epoch observation values (Epoch: 2026-02-18T11:33:26.491Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

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

IRIDIUM 33 Visibility forecast

Co-orbital & Co-planar RSOs

Check out IRIDIUM 33, 24946 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 9 hours ago