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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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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: 12 hours ago

TLE from 12 hours ago

0 IRIDIUM 171
1 43929U 19002H   26311.88447869 -.00000009  00000-0 -10138-4 0  9994
2 43929  86.3934 293.8266 0002170  90.0783 270.0662 14.34217049409556

Epoch: 2026-11-07T21:13Z

TLE epoch observation values (Epoch: 2026-11-07T21:13:38.958Z)

Latitude

0.00001°

Longitude

-71.66905°

Altitude

780.719 km

Speed

7.463 km/s

True Right ascension

19h 35m 18s

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

05:19:38

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

776.186 km

Perigee altitude

773.082 km

Semi-major axis

7,152.771 km

Eccentricity

0.00022

Inclination

86.3934°

RAAN

293.8266°

Arg. of periapsis

90.0783°

True anomaly

270.04133°

Mean anomaly

270.0662°

Eccentric anomaly

270.05377°

Mean motion

3.58783 °/min

Orbital period

100.34 mins

BSTAR

-0.000010138

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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	2026-11-08 11:12:49.228Z	354.852° N	2026-11-08 11:16:49.228Z	209.864° SW	75.499°	2026-11-08 11:20:49.228Z	182.633° SSW
6 mins	2026-11-08 22:29:49.228Z	114.68° SE	2026-11-08 22:31:49.228Z	83.931° E	23.225°	2026-11-08 22:35:49.228Z	31.854° NE
8 mins	2026-11-09 00:08:49.228Z	217.366° SW	2026-11-09 00:12:49.228Z	289.371° WNW	37.174°	2026-11-09 00:16:49.228Z	343.947° 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 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: 12 hours ago

TLE from 12 hours ago

TLE epoch observation values (Epoch: 2026-11-07T21:13:38.958Z)

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: 12 hours ago