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IRIDIUM 163, 43575

Orbit data source: Space-Track

IRIDIUM 163, 43575 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/43575?theme=dark&initialShowStats=false

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Identifier

43575, 2018-061G

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 163
1 43575U 18061G   26304.12164919  .00000053  00000-0  11773-4 0  9999
2 43575  86.4000 359.8998 0002157  93.5042 266.6401 14.34218008432862

Epoch: 2026-10-31T02:55Z

TLE epoch observation values (Epoch: 2026-10-31T02:55:10.490Z)

Latitude

0.00005°

Longitude

-83.32582°

Altitude

780.808 km

Speed

7.463 km/s

True Right ascension

23h 59m 35s

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

05:45:50

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

776.174 km

Perigee altitude

773.088 km

Semi-major axis

7,152.768 km

Eccentricity

0.00022

Inclination

86.4°

RAAN

359.8998°

Arg. of periapsis

93.5042°

True anomaly

266.61543°

Mean anomaly

266.6401°

Eccentric anomaly

266.62776°

Mean motion

3.58783 °/min

Orbital period

100.34 mins

BSTAR

0.000011773

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

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IRIDIUM 163 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.
8 mins	2026-10-31 15:13:24.394Z	24.113° NE	2026-10-31 15:17:24.394Z	84.272° E	29.876°	2026-10-31 15:21:24.394Z	138.867° SSE
7 mins	2026-10-31 16:54:24.394Z	328.24° NNW	2026-10-31 16:57:24.394Z	285.546° WNW	28.861°	2026-10-31 17:01:24.394Z	223.691° SW
9 mins	2026-11-01 04:09:24.394Z	167° S	2026-11-01 04:13:24.394Z	80.104° E	64.552°	2026-11-01 04:18:24.394Z	8.791° NNE

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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 163, 43575 on other resources

View IRIDIUM 163, 43575 on NASA - NSSDCA Website

View IRIDIUM 163, 43575 on Heavens-Above

View IRIDIUM 163, 43575 on Keep Track

View IRIDIUM 163, 43575 on Celestrak

View IRIDIUM 163, 43575 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 163, 43575

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: 2026-10-31T02:55:10.490Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

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

IRIDIUM 163 Visibility forecast

Co-orbital & Co-planar RSOs

Check out IRIDIUM 163, 43575 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 7 hours ago