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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: 14 hours ago

TLE from 14 hours ago

0 IRIDIUM 145
1 43253U 18030E   25353.11999363  .00000233  00000-0  76081-4 0  9992
2 43253  86.3965   5.6816 0002574  93.1245 267.0245 14.34216853404319

Epoch: 2025-12-19T02:52Z

TLE epoch observation values (Epoch: 2025-12-19T02:52:47.449Z)

Latitude

-0.00007°

Longitude

-125.48182°

Altitude

780.817 km

Speed

7.463 km/s

True Right ascension

00h 22m 43s

True Declination

0° 00' 00"

Sunlit

Object was in daylight 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

15:22:50

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

776.476 km

Perigee altitude

772.794 km

Semi-major axis

7,152.772 km

Eccentricity

0.00026

Inclination

86.3965°

RAAN

5.6816°

Arg. of periapsis

93.1245°

True anomaly

266.99504°

Mean anomaly

267.0245°

Eccentric anomaly

267.00977°

Mean motion

3.58783 °/min

Orbital period

100.34 mins

BSTAR

0.000076081

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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	2025-12-20 00:46:12.847Z	140.414° SSE	2025-12-20 00:50:12.847Z	81.116° E	27.079°	2025-12-20 00:54:12.847Z	25.802° NE
6 mins	2025-12-20 02:28:12.847Z	237.566° WSW	2025-12-20 02:31:12.847Z	289.701° WNW	25.008°	2025-12-20 02:34:12.847Z	332.222° NNW
9 mins	2025-12-20 12:57:12.847Z	3.838° NNE	2025-12-20 13:01:12.847Z	96.496° ESE	43.615°	2025-12-20 13:06:12.847Z	171.56° S

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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: 14 hours ago

TLE from 14 hours ago

TLE epoch observation values (Epoch: 2025-12-19T02:52:47.449Z)

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: 14 hours ago