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IRIDIUM 171, 43929

Orbit data source: Space-Track

IRIDIUM 171, 43929 is a payload satellite owned by Iridium (US) in LEO that was launched on Fri, 11 Jan 2019 UTC via an FALCON 9 launch vehicle from the Air Force Western Test Range (AFWTR). 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/43929?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

43929, 2019-002H

Orbit

LEO

Country

Related business

Iridium Communications Inc. (US)

Manufacturer

NGIS SSG Gilbert

Mission

Operational Commercial Communications

Bus & Motor

ELITEBUS, Unknown motor

Mass

860 kg wet, 700 kg dry

Launch date (UTC)

2019-01-11 (8 years ago)

Launch vehicle

FALCON 9

Launch site

Air Force Western Test Range (AFWTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Trap Box + 2 Pan, 4.8 m

Radar Cross Section

10.154 m², Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 13 hours ago

TLE from 13 hours ago

0 IRIDIUM 171
1 43929U 19002H   26252.58123711  .00000150  00000-0  46578-4 0  9994
2 43929  86.4000 318.6288 0002199  92.7663 267.3785 14.34217827401054

Epoch: 2026-09-09T13:56Z

TLE epoch observation values (Epoch: 2026-09-09T13:56:58.886Z)

Latitude

0.00004°

Longitude

120.7522°

Altitude

780.79 km

Speed

7.463 km/s

True Right ascension

21h 14m 30s

True Declination

0° 00' 00"

Sunlit

Object was in full shadow 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

18:52:49

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

776.204 km

Perigee altitude

773.058 km

Semi-major axis

7,152.768 km

Eccentricity

0.00022

Inclination

86.4°

RAAN

318.6288°

Arg. of periapsis

92.7663°

True anomaly

267.35333°

Mean anomaly

267.3785°

Eccentric anomaly

267.36591°

Mean motion

3.58783 °/min

Orbital period

100.34 mins

BSTAR

0.000046578

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Other satellites on launch #2 in the year 2019 (2019-01-11 UTC)

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IRIDIUM 171 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	2026-09-10 05:08:41.358Z	184.466° SSW	2026-09-10 05:12:41.358Z	337.431° NNW	76.046°	2026-09-10 05:16:41.358Z	0.622° NNE
7 mins	2026-09-10 15:39:41.358Z	34.667° NE	2026-09-10 15:42:41.358Z	79.119° E	24.602°	2026-09-10 15:46:41.358Z	131.574° SE
7 mins	2026-09-10 17:20:41.358Z	326.015° NNW	2026-09-10 17:23:41.358Z	268.274° W	35.548°	2026-09-10 17:27:41.358Z	212.44° SW

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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 171, 43929 on other resources

View IRIDIUM 171, 43929 on NASA - NSSDCA Website

View IRIDIUM 171, 43929 on Heavens-Above

View IRIDIUM 171, 43929 on Keep Track

View IRIDIUM 171, 43929 on Celestrak

View IRIDIUM 171, 43929 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 171, 43929

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 13 hours ago

TLE from 13 hours ago

TLE epoch observation values (Epoch: 2026-09-09T13:56:58.886Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #2 in the year 2019 (2019-01-11 UTC)

IRIDIUM 171 Visibility forecast

Co-orbital & Co-planar RSOs

Check out IRIDIUM 171, 43929 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 13 hours ago