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IRIDIUM 176, 43923

Orbit data source: Space-Track

IRIDIUM 176, 43923 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/43923?theme=dark&initialShowStats=false

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Identifier

43923, 2019-002B

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: 8 hours ago

TLE from 8 hours ago

0 IRIDIUM 176
1 43923U 19002B   25340.26663351  .00002040  00000-0  31952-3 0  9998
2 43923  86.6088  74.2186 0002165  98.8373 261.3089 14.72259786370863

Epoch: 2025-12-06T06:23Z

TLE epoch observation values (Epoch: 2025-12-06T06:23:57.135Z)

Latitude

-0.00005°

Longitude

-97.0663°

Altitude

657.201 km

Speed

7.529 km/s

True Right ascension

04h 56m 52s

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

12:36:45

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

652.292 km

Perigee altitude

649.248 km

Semi-major axis

7,028.907 km

Eccentricity

0.00022

Inclination

86.6088°

RAAN

74.2186°

Arg. of periapsis

98.8373°

True anomaly

261.28438°

Mean anomaly

261.3089°

Eccentric anomaly

261.29664°

Mean motion

3.68308 °/min

Orbital period

97.74 mins

BSTAR

0.00031952

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

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IRIDIUM 176 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	2025-12-06 18:22:41.914Z	5.312° NNE	2025-12-06 18:26:41.914Z	62.214° ENE	40.663°	2025-12-06 18:30:41.914Z	164.874° S
7 mins	2025-12-07 06:59:41.914Z	182.205° SSW	2025-12-07 07:02:41.914Z	199.231° SSW	44.733°	2025-12-07 07:06:41.914Z	1.393° NNE

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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 176, 43923 on other resources

View IRIDIUM 176, 43923 on NASA - NSSDCA Website

View IRIDIUM 176, 43923 on Heavens-Above

View IRIDIUM 176, 43923 on Keep Track

View IRIDIUM 176, 43923 on Celestrak

View IRIDIUM 176, 43923 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 176, 43923

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 8 hours ago

TLE from 8 hours ago

TLE epoch observation values (Epoch: 2025-12-06T06:23:57.135Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

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

IRIDIUM 176 Visibility forecast

Co-orbital & Co-planar RSOs

Check out IRIDIUM 176, 43923 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 8 hours ago