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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: 11 hours ago

TLE from 11 hours ago

0 IRIDIUM 171
1 43929U 19002H   26033.43831924  .00000155  00000-0  48232-4 0  9991
2 43929  86.3934  50.1799 0002074  86.8175 273.3258 14.34218872369649

Epoch: 2026-02-02T10:31Z

TLE epoch observation values (Epoch: 2026-02-02T10:31:10.782Z)

Latitude

-0.00002°

Longitude

119.75137°

Altitude

780.629 km

Speed

7.464 km/s

True Right ascension

03h 20m 43s

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

23:14:53

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

776.111 km

Perigee altitude

773.144 km

Semi-major axis

7,152.765 km

Eccentricity

0.00021

Inclination

86.3934°

RAAN

50.1799°

Arg. of periapsis

86.8175°

True anomaly

273.30207°

Mean anomaly

273.3258°

Eccentric anomaly

273.31394°

Mean motion

3.58783 °/min

Orbital period

100.34 mins

BSTAR

0.000048232

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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	2026-02-03 01:43:02.909Z	188.676° SSW	2026-02-03 01:46:02.909Z	222.361° SW	43.279°	2026-02-03 01:51:02.909Z	358.763° N
7 mins	2026-02-03 12:14:02.909Z	34.779° NE	2026-02-03 12:17:02.909Z	82.616° E	24.112°	2026-02-03 12:21:02.909Z	135.18° SSE
8 mins	2026-02-03 13:54:02.909Z	331.181° NNW	2026-02-03 13:58:02.909Z	264.766° W	27.981°	2026-02-03 14:02:02.909Z	214.063° 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: 11 hours ago

TLE from 11 hours ago

TLE epoch observation values (Epoch: 2026-02-02T10:31:10.782Z)

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: 11 hours ago