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IRIDIUM 29, 24944

Orbit data source: Space-Track

IRIDIUM 29, 24944 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/24944?theme=dark&initialShowStats=false

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Identifier

24944, 1997-051A

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 (29 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, 4.0 m

Radar Cross Section

5.666 m², Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 15 hours ago

TLE from 15 hours ago

0 IRIDIUM 29
1 24944U 97051A   26100.20537405  .00000374  00000-0  12024-3 0  9996
2 24944  86.4003  19.1863 0002292  82.8371 277.3087 14.36772165495912

Epoch: 2026-04-10T04:55Z

TLE epoch observation values (Epoch: 2026-04-10T04:55:44.317Z)

Latitude

-0.00003°

Longitude

106.80927°

Altitude

772.03 km

Speed

7.468 km/s

True Right ascension

01h 16m 44s

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

02:25:24

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

767.781 km

Perigee altitude

764.507 km

Semi-major axis

7,144.281 km

Eccentricity

0.00023

Inclination

86.4003°

RAAN

19.1863°

Arg. of periapsis

82.8371°

True anomaly

277.28265°

Mean anomaly

277.3087°

Eccentric anomaly

277.29567°

Mean motion

3.59423 °/min

Orbital period

100.16 mins

BSTAR

0.00012024

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

IRIDIUM 33 DEB, 33961 (Decayed)

IRIDIUM 33 DEB, 35862 (Decayed)

IRIDIUM 33 DEB, 39786 (Decayed)

IRIDIUM 33 DEB, 34378 (Decayed)

IRIDIUM 33 DEB, 34776 (Decayed)

IRIDIUM 33 DEB, 34533 (Decayed)

IRIDIUM 33 DEB, 33775

IRIDIUM 33 DEB, 33856 (Decayed)

IRIDIUM 33 DEB, 46973 (Decayed)

IRIDIUM 33 DEB, 35751 (Decayed)

IRIDIUM 33 DEB, 36028

IRIDIUM 33 DEB, 46977 (Decayed)

IRIDIUM 33 DEB, 34703 (Decayed)

IRIDIUM 33 DEB, 34365 (Decayed)

IRIDIUM 33 DEB, 34351 (Decayed)

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IRIDIUM 29 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.
4 mins	2026-04-10 20:09:36.094Z	277.597° WNW	2026-04-10 20:09:36.094Z	277.597° WNW	23.017°	2026-04-10 20:13:36.094Z	333.496° NNW
8 mins	2026-04-11 06:35:36.094Z	2.413° NNE	2026-04-11 06:38:36.094Z	37.946° NE	43.723°	2026-04-11 06:43:36.094Z	173.884° S
5 mins	2026-04-11 17:51:36.094Z	105.61° ESE	2026-04-11 17:53:36.094Z	77.981° E	16.921°	2026-04-11 17:56:36.094Z	40.839° NE
7 mins	2026-04-11 19:30:36.094Z	211.268° SW	2026-04-11 19:33:36.094Z	277.132° WNW	37.018°	2026-04-11 19:37:36.094Z	347.329° N

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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 29, 24944 on other resources

View IRIDIUM 29, 24944 on NASA - NSSDCA Website

View IRIDIUM 29, 24944 on Heavens-Above

View IRIDIUM 29, 24944 on Keep Track

View IRIDIUM 29, 24944 on Celestrak

View IRIDIUM 29, 24944 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 29, 24944

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 15 hours ago

TLE from 15 hours ago

TLE epoch observation values (Epoch: 2026-04-10T04:55:44.317Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

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

IRIDIUM 29 Visibility forecast

Co-orbital & Co-planar RSOs

Check out IRIDIUM 29, 24944 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 15 hours ago