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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: 7 hours ago

TLE from 7 hours ago

0 IRIDIUM 164
1 43577U 18061J   26304.14701932  .00000023  00000-0  11363-5 0  9998
2 43577  86.4000 359.9389 0002179  96.2872 263.8572 14.34217782432905

Epoch: 2026-10-31T03:31Z

TLE epoch observation values (Epoch: 2026-10-31T03:31:42.469Z)

Latitude

-0.00002°

Longitude

-92.44498°

Altitude

780.885 km

Speed

7.463 km/s

True Right ascension

23h 59m 45s

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

05:45:07

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

776.19 km

Perigee altitude

773.073 km

Semi-major axis

7,152.768 km

Eccentricity

0.00022

Inclination

86.4°

RAAN

359.9389°

Arg. of periapsis

96.2872°

True anomaly

263.83237°

Mean anomaly

263.8572°

Eccentric anomaly

263.84479°

Mean motion

3.58783 °/min

Orbital period

100.34 mins

BSTAR

0.0000011363

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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	2026-10-31 15:49:41.602Z	4.814° NNE	2026-10-31 15:53:41.602Z	64.202° ENE	65.779°	2026-10-31 15:58:41.602Z	168.391° S
5 mins	2026-11-01 03:07:41.602Z	104.398° ESE	2026-11-01 03:09:41.602Z	78.897° E	15.867°	2026-11-01 03:12:41.602Z	43.161° NE
8 mins	2026-11-01 04:46:41.602Z	204.102° SW	2026-11-01 04:49:41.602Z	265.654° W	55.893°	2026-11-01 04:54:41.602Z	352.905° 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: 7 hours ago

TLE from 7 hours ago

TLE epoch observation values (Epoch: 2026-10-31T03:31:42.469Z)

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: 7 hours ago