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IRIDIUM 145, 43253

Orbit data source: Space-Track

IRIDIUM 145, 43253 is a payload satellite owned by Iridium (US) in LEO that was launched on Fri, 30 Mar 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/43253?theme=dark&initialShowStats=false

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Identifier

43253, 2018-030E

Orbit

LEO

Country

Related business

Iridium Communications Inc. (US)

Manufacturer

OATK SSG Gilbert

Mission

Operational Commercial Communications

Bus & Motor

ELITEBUS, Unknown motor

Mass

860 kg wet, 700 kg dry

Launch date (UTC)

2018-03-30 (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 145
1 43253U 18030E   26171.40189132  .00000063  00000-0  15440-4 0  9991
2 43253  86.3962 289.0607 0002064 102.1429 257.9998 14.34217854430584

Epoch: 2026-06-20T09:38Z

TLE epoch observation values (Epoch: 2026-06-20T09:38:43.410Z)

Latitude

-0.00001°

Longitude

-124.23721°

Altitude

781.025 km

Speed

7.463 km/s

True Right ascension

19h 16m 14s

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

21:38:32

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

776.108 km

Perigee altitude

773.155 km

Semi-major axis

7,152.768 km

Eccentricity

0.00021

Inclination

86.3962°

RAAN

289.0607°

Arg. of periapsis

102.1429°

True anomaly

257.97667°

Mean anomaly

257.9998°

Eccentric anomaly

257.98823°

Mean motion

3.58783 °/min

Orbital period

100.34 mins

BSTAR

0.00001544

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Other satellites on launch #30 in the year 2018 (2018-03-30 UTC)

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IRIDIUM 145 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	2026-06-22 19:09:30.452Z	20.82° NNE	2026-06-22 19:13:30.452Z	83.943° E	29.507°	2026-06-22 19:17:30.452Z	143.133° SSE
6 mins	2026-06-22 20:51:30.452Z	315.826° NNW	2026-06-22 20:53:30.452Z	285.25° WNW	22.854°	2026-06-22 20:57:30.452Z	228.03° WSW
9 mins	2026-06-23 08:05:30.452Z	173.362° S	2026-06-23 08:09:30.452Z	82.568° E	44.061°	2026-06-23 08:14:30.452Z	6.08° 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 145, 43253 on other resources

View IRIDIUM 145, 43253 on NASA - NSSDCA Website

View IRIDIUM 145, 43253 on Heavens-Above

View IRIDIUM 145, 43253 on Keep Track

View IRIDIUM 145, 43253 on Celestrak

View IRIDIUM 145, 43253 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 145, 43253

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: 2026-06-20T09:38:43.410Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #30 in the year 2018 (2018-03-30 UTC)

IRIDIUM 145 Visibility forecast

Co-orbital & Co-planar RSOs

Check out IRIDIUM 145, 43253 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 2 days ago