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IRIDIUM 164, 43577

Orbit data source: Space-Track

IRIDIUM 164, 43577 is a payload satellite owned by Iridium (US) in LEO that was launched on Wed, 25 Jul 2018 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/43577?theme=dark&initialShowStats=false

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Identifier

43577, 2018-061J

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)

2018-07-25 (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: 16 hours ago

TLE from 16 hours ago

0 IRIDIUM 164
1 43577U 18061J   26315.44951961 -.00000003  00000-0 -82621-5 0  9997
2 43577  86.3983 355.2166 0002184  94.0295 266.1151 14.34217519434524

Epoch: 2026-11-11T10:47Z

TLE epoch observation values (Epoch: 2026-11-11T10:47:18.494Z)

Latitude

0.00004°

Longitude

142.79234°

Altitude

780.825 km

Speed

7.463 km/s

True Right ascension

23h 40m 51s

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

23:17:02

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

776.195 km

Perigee altitude

773.07 km

Semi-major axis

7,152.769 km

Eccentricity

0.00022

Inclination

86.3983°

RAAN

355.2166°

Arg. of periapsis

94.0295°

True anomaly

266.09013°

Mean anomaly

266.1151°

Eccentric anomaly

266.10262°

Mean motion

3.58783 °/min

Orbital period

100.34 mins

BSTAR

-0.0000082621

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Other satellites on launch #61 in the year 2018 (2018-07-25 UTC)

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IRIDIUM 164 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	2026-11-12 03:38:28.655Z	193.779° SSW	2026-11-12 03:43:28.655Z	296.35° NW	61.665°	2026-11-12 03:47:28.655Z	354.009° N
7 mins	2026-11-12 14:10:28.655Z	28.766° NE	2026-11-12 14:13:28.655Z	78.372° E	32.063°	2026-11-12 14:17:28.655Z	139.149° SSE
6 mins	2026-11-12 15:51:28.655Z	319.915° NNW	2026-11-12 15:54:28.655Z	270.592° WNW	27.091°	2026-11-12 15:57:28.655Z	227.893° WSW

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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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Check out IRIDIUM 164, 43577 on other resources

View IRIDIUM 164, 43577 on NASA - NSSDCA Website

View IRIDIUM 164, 43577 on Heavens-Above

View IRIDIUM 164, 43577 on Keep Track

View IRIDIUM 164, 43577 on Celestrak

View IRIDIUM 164, 43577 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 164, 43577

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: 2026-11-11T10:47:18.494Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #61 in the year 2018 (2018-07-25 UTC)

IRIDIUM 164 Visibility forecast

Co-orbital & Co-planar RSOs

Check out IRIDIUM 164, 43577 on other resources

Documentation

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