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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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Iframe URL

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: 5 hours ago

TLE from 5 hours ago

0 IRIDIUM 163
1 43575U 18061G   26034.25702216  .00000310  00000-0  10359-3 0  9995
2 43575  86.3970 112.7456 0002282  96.2232 263.9224 14.34218302394184

Epoch: 2026-02-03T06:10Z

TLE epoch observation values (Epoch: 2026-02-03T06:10:06.714Z)

Latitude

-0.00001°

Longitude

-113.22293°

Altitude

780.89 km

Speed

7.463 km/s

True Right ascension

07h 30m 58s

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

13:17:06

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

776.262 km

Perigee altitude

772.998 km

Semi-major axis

7,152.767 km

Eccentricity

0.00023

Inclination

86.397°

RAAN

112.7456°

Arg. of periapsis

96.2232°

True anomaly

263.8964°

Mean anomaly

263.9224°

Eccentric anomaly

263.9094°

Mean motion

3.58783 °/min

Orbital period

100.34 mins

BSTAR

0.00010359

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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.
9 mins	2026-02-03 16:46:57.439Z	10.927° NNE	2026-02-03 16:51:57.439Z	88.335° E	35.113°	2026-02-03 16:55:57.439Z	152.388° SSE
5 mins	2026-02-03 18:29:57.439Z	310.304° NW	2026-02-03 18:31:57.439Z	282.469° WNW	18.492°	2026-02-03 18:34:57.439Z	242.121° WSW
10 mins	2026-02-04 05:42:57.439Z	183.707° SSW	2026-02-04 05:47:57.439Z	314.735° NW	44.686°	2026-02-04 05:52:57.439Z	1.094° 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: 5 hours ago

TLE from 5 hours ago

TLE epoch observation values (Epoch: 2026-02-03T06:10:06.714Z)

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: 5 hours ago