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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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Iframe URL

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 (7 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: 1 day ago

TLE from 1 day ago

0 IRIDIUM 171
1 43929U 19002H   26171.44045036  .00000007  00000-0 -46740-5 0  9996
2 43929  86.3975 352.5178 0001930  91.8050 268.3367 14.34217480389429

Epoch: 2026-06-20T10:34Z

TLE epoch observation values (Epoch: 2026-06-20T10:34:14.911Z)

Latitude

0.00001°

Longitude

-74.69937°

Altitude

780.759 km

Speed

7.463 km/s

True Right ascension

23h 30m 04s

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

01:42:40

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

776.013 km

Perigee altitude

773.252 km

Semi-major axis

7,152.77 km

Eccentricity

0.00019

Inclination

86.3975°

RAAN

352.5178°

Arg. of periapsis

91.805°

True anomaly

268.31459°

Mean anomaly

268.3367°

Eccentric anomaly

268.32565°

Mean motion

3.58783 °/min

Orbital period

100.34 mins

BSTAR

-0.000004674

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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.
9 mins	2026-06-21 23:58:54.104Z	3.152° NNE	2026-06-22 00:03:54.104Z	118.812° SE	42.629°	2026-06-22 00:07:54.104Z	169.301° S
4 mins	2026-06-22 11:17:54.104Z	97.273° ESE	2026-06-22 11:18:54.104Z	83.899° E	15.711°	2026-06-22 11:21:54.104Z	46.039° ENE
8 mins	2026-06-22 12:55:54.104Z	203.856° SW	2026-06-22 12:59:54.104Z	295.132° NW	38.248°	2026-06-22 13:03:54.104Z	350.901° 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: 1 day ago

TLE from 1 day ago

TLE epoch observation values (Epoch: 2026-06-20T10:34:14.911Z)

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: 1 day ago