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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

Last TLE update

10 hours ago

Origin

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 (7 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, 9.4 m

Radar Cross Section

14.423 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 10 hours ago

0 IRIDIUM 164
1 43577U 18061J   25196.53507442  .00000017  00000-0 -98851-6 0  9991
2 43577  86.3983 197.4174 0002175  94.4930 265.6514 14.34217816365169

Epoch: 2025-07-15T12:50Z

TLE epoch observation values (Epoch: 2025-07-15T12:50:30.429Z)

Latitude

-0.00008°

Longitude

71.16241°

Altitude

780.836 km

Speed

7.463 km/s

True Right ascension

13h 09m 40s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

-57.22242°

Longitude

65.41214°

Altitude

801.271 km

Speed

7.451 km/s

Apparent Right ascension

19h 55m 08s

Apparent Declination

-78° 34' 29"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

11:12:57

Azimuth

167.323° S

Elevation

-46.695°

Doppler factor

Orbital elements

Apogee altitude

776.187 km

Perigee altitude

773.076 km

Semi-major axis

7,152.768 km

Eccentricity

0.00022

Inclination

86.3983°

RAAN

197.4174°

Arg. of periapsis

94.493°

True anomaly

Unknown

Mean anomaly

265.6514°

Eccentric anomaly

Unknown

Mean motion

3.58783 °/min

Orbital period

100.34 mins

BSTAR

-9.8851e-7

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

IRIDIUM 164 Visibility forecast

Observer location: undefined°, undefined°

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	2025-07-16 00:40:18.902Z	180.977° SSW	2025-07-16 00:45:18.902Z	1.575° NNE	44.225°	2025-07-16 00:49:18.902Z	2.399° NNE
6 mins	2025-07-16 11:12:18.902Z	36.528° NE	2025-07-16 11:15:18.902Z	80.137° E	21.194°	2025-07-16 11:18:18.902Z	121.897° SE
8 mins	2025-07-16 12:52:18.902Z	335.555° NNW	2025-07-16 12:56:18.902Z	266.003° W	31.613°	2025-07-16 13:00:18.902Z	209.794° SW

Authenticating...

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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.