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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, 4.7 m

Radar Cross Section

14.423 m², Large (>1 m²)

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

TLE from 13 hours ago

0 IRIDIUM 176
1 43923U 19002B   25256.87026119  .00000642  00000-0  97947-4 0  9999
2 43923  86.6055 109.1193 0002897  94.9342 265.2206 14.72258684358594

Epoch: 2025-09-13T20:53Z

TLE epoch observation values (Epoch: 2025-09-13T20:53:10.566Z)

Latitude

-0.00004°

Longitude

162.72785°

Altitude

657.145 km

Speed

7.529 km/s

True Right ascension

07h 16m 28s

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

02:51:50

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

652.81 km

Perigee altitude

648.737 km

Semi-major axis

7,028.91 km

Eccentricity

0.00029

Inclination

86.6055°

RAAN

109.1193°

Arg. of periapsis

94.9342°

True anomaly

265.18752°

Mean anomaly

265.2206°

Eccentric anomaly

265.20406°

Mean motion

3.68308 °/min

Orbital period

97.74 mins

BSTAR

0.000097947

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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	2025-09-14 14:56:43.425Z	188.974° SSW	2025-09-14 15:00:43.425Z	283.316° WNW	43.528°	2025-09-14 15:04:43.425Z	357.212° N
7 mins	2025-09-15 02:49:43.425Z	338.904° N	2025-09-15 02:52:43.425Z	279.498° WNW	35.118°	2025-09-15 02:56:43.425Z	202.926° SW

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: 13 hours ago

TLE from 13 hours ago

TLE epoch observation values (Epoch: 2025-09-13T20:53:10.566Z)

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: 13 hours ago