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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 (8 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: 15 hours ago

TLE from 15 hours ago

0 IRIDIUM 172
1 43927U 19002F   26258.73989632  .00000160  00000-0  50131-4 0  9998
2 43927  86.3978 315.7398 0002238  95.0882 265.0569 14.34217966401945

Epoch: 2026-09-15T17:45Z

TLE epoch observation values (Epoch: 2026-09-15T17:45:27.042Z)

Latitude

-0.00003°

Longitude

54.67561°

Altitude

780.856 km

Speed

7.463 km/s

True Right ascension

21h 02m 57s

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

01:02:11

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

776.232 km

Perigee altitude

773.03 km

Semi-major axis

7,152.768 km

Eccentricity

0.00022

Inclination

86.3978°

RAAN

315.7398°

Arg. of periapsis

95.0882°

True anomaly

265.03135°

Mean anomaly

265.0569°

Eccentric anomaly

265.04413°

Mean motion

3.58783 °/min

Orbital period

100.34 mins

BSTAR

0.000050131

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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.
9 mins	2026-09-16 16:06:27.120Z	355.842° N	2026-09-16 16:10:27.120Z	302.466° NW	83.297°	2026-09-16 16:15:27.120Z	181.536° SSW
6 mins	2026-09-17 03:23:27.120Z	119.907° SE	2026-09-17 03:26:27.120Z	75.351° E	22.567°	2026-09-17 03:29:27.120Z	36.219° NE
7 mins	2026-09-17 05:03:27.120Z	220.551° SW	2026-09-17 05:06:27.120Z	275.705° WNW	38.663°	2026-09-17 05:10:27.120Z	341.503° 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 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: 15 hours ago

TLE from 15 hours ago

TLE epoch observation values (Epoch: 2026-09-15T17:45:27.042Z)

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: 15 hours ago