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IRIDIUM 172, 43927

Orbit data source: Space-Track

IRIDIUM 172, 43927 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/43927?theme=dark&initialShowStats=false

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Identifier

43927, 2019-002F

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: 16 hours ago

TLE from 16 hours ago

0 IRIDIUM 172
1 43927U 19002F   25353.24734550  .00000240  00000-0  78731-4 0  9991
2 43927  86.3961  68.7965 0001971  93.8887 266.2534 14.34215981363178

Epoch: 2025-12-19T05:56Z

TLE epoch observation values (Epoch: 2025-12-19T05:56:10.651Z)

Latitude

-0.00002°

Longitude

-108.33912°

Altitude

780.816 km

Speed

7.463 km/s

True Right ascension

04h 35m 11s

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

20:48:22

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

776.047 km

Perigee altitude

773.228 km

Semi-major axis

7,152.775 km

Eccentricity

0.0002

Inclination

86.3961°

RAAN

68.7965°

Arg. of periapsis

93.8887°

True anomaly

266.23086°

Mean anomaly

266.2534°

Eccentric anomaly

266.24213°

Mean motion

3.58783 °/min

Orbital period

100.34 mins

BSTAR

0.000078731

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

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IRIDIUM 172 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.
10 mins	2025-12-20 05:28:52.041Z	168.914° S	2025-12-20 05:33:52.041Z	87.149° E	41.827°	2025-12-20 05:38:52.041Z	9.299° NNE
5 mins	2025-12-20 16:01:52.041Z	48.52° ENE	2025-12-20 16:03:52.041Z	74.429° E	15.632°	2025-12-20 16:06:52.041Z	111.18° ESE
8 mins	2025-12-20 17:41:52.041Z	340.942° N	2025-12-20 17:44:52.041Z	278.249° WNW	39.283°	2025-12-20 17:49:52.041Z	195.864° SSW

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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 172, 43927 on other resources

View IRIDIUM 172, 43927 on NASA - NSSDCA Website

View IRIDIUM 172, 43927 on Heavens-Above

View IRIDIUM 172, 43927 on Keep Track

View IRIDIUM 172, 43927 on Celestrak

View IRIDIUM 172, 43927 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 172, 43927

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 16 hours ago

TLE from 16 hours ago

TLE epoch observation values (Epoch: 2025-12-19T05:56:10.651Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

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

IRIDIUM 172 Visibility forecast

Co-orbital & Co-planar RSOs

Check out IRIDIUM 172, 43927 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 16 hours ago