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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: 2 days ago

TLE from 2 days ago

0 IRIDIUM 164
1 43577U 18061J   26171.37752869  .00000017  00000-0 -10898-5 0  9996
2 43577  86.3958  55.4358 0002169  89.5185 270.6259 14.34217185413871

Epoch: 2026-06-20T09:03Z

TLE epoch observation values (Epoch: 2026-06-20T09:03:38.478Z)

Latitude

-0.00008°

Longitude

10.93245°

Altitude

780.703 km

Speed

7.464 km/s

True Right ascension

03h 41m 44s

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

21:36:28

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

776.185 km

Perigee altitude

773.082 km

Semi-major axis

7,152.771 km

Eccentricity

0.00022

Inclination

86.3958°

RAAN

55.4358°

Arg. of periapsis

89.5185°

True anomaly

270.60105°

Mean anomaly

270.6259°

Eccentric anomaly

270.61347°

Mean motion

3.58783 °/min

Orbital period

100.34 mins

BSTAR

-0.0000010898

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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	2026-06-22 16:25:26.199Z	167.848° S	2026-06-22 16:30:26.199Z	72.329° E	41.263°	2026-06-22 16:34:26.199Z	11.275° NNE
4 mins	2026-06-23 02:58:26.199Z	51.516° ENE	2026-06-23 03:00:26.199Z	77.771° E	15.362°	2026-06-23 03:02:26.199Z	103.102° ESE
8 mins	2026-06-23 04:37:26.199Z	345.081° N	2026-06-23 04:41:26.199Z	266.392° W	39.639°	2026-06-23 04:45:26.199Z	197.599° 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 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: 2 days ago

TLE from 2 days ago

TLE epoch observation values (Epoch: 2026-06-20T09:03:38.478Z)

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: 2 days ago