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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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Iframe URL

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: 6 hours ago

TLE from 6 hours ago

0 IRIDIUM 164
1 43577U 18061J   26034.14285267  .00000087  00000-0  23875-4 0  9996
2 43577  86.3973 112.8386 0001989  99.4254 260.7166 14.34216588394201

Epoch: 2026-02-03T03:25Z

TLE epoch observation values (Epoch: 2026-02-03T03:25:42.470Z)

Latitude

-0.00011°

Longitude

-71.91639°

Altitude

780.952 km

Speed

7.463 km/s

True Right ascension

07h 31m 21s

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

11:41:20

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

776.058 km

Perigee altitude

773.213 km

Semi-major axis

7,152.773 km

Eccentricity

0.0002

Inclination

86.3973°

RAAN

112.8386°

Arg. of periapsis

99.4254°

True anomaly

260.69411°

Mean anomaly

260.7166°

Eccentric anomaly

260.70535°

Mean motion

3.58783 °/min

Orbital period

100.34 mins

BSTAR

0.000023875

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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	2026-02-03 17:24:27.761Z	354.562° N	2026-02-03 17:28:27.761Z	270.859° WNW	44.624°	2026-02-03 17:33:27.761Z	183.073° SSW
6 mins	2026-02-04 04:41:27.761Z	120.349° SE	2026-02-04 04:44:27.761Z	74.129° E	21.626°	2026-02-04 04:47:27.761Z	34.943° NE
7 mins	2026-02-04 06:21:27.761Z	222.682° SW	2026-02-04 06:24:27.761Z	277.37° WNW	30.957°	2026-02-04 06:28:27.761Z	340.943° 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 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: 6 hours ago

TLE from 6 hours ago

TLE epoch observation values (Epoch: 2026-02-03T03:25:42.470Z)

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: 6 hours ago