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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: 10 hours ago

TLE from 10 hours ago

0 IRIDIUM 145
1 43253U 18030E   26035.35327971  .00000354  00000-0  11919-3 0  9998
2 43253  86.4008 345.9380 0001922  78.2990 281.8421 14.34218420411085

Epoch: 2026-02-04T08:28Z

TLE epoch observation values (Epoch: 2026-02-04T08:28:43.366Z)

Latitude

-0.00009°

Longitude

84.23622°

Altitude

780.434 km

Speed

7.464 km/s

True Right ascension

23h 03m 45s

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

20:16:10

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

776.004 km

Perigee altitude

773.255 km

Semi-major axis

7,152.766 km

Eccentricity

0.00019

Inclination

86.4008°

RAAN

345.938°

Arg. of periapsis

78.299°

True anomaly

281.82054°

Mean anomaly

281.8421°

Eccentric anomaly

281.83132°

Mean motion

3.58783 °/min

Orbital period

100.34 mins

BSTAR

0.00011919

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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	2026-02-04 20:18:57.028Z	140.454° SSE	2026-02-04 20:22:57.028Z	89.256° E	25.221°	2026-02-04 20:26:57.028Z	30.071° NE
7 mins	2026-02-04 22:00:57.028Z	230.764° WSW	2026-02-04 22:03:57.028Z	281.974° WNW	27.03°	2026-02-04 22:07:57.028Z	338.537° N
8 mins	2026-02-05 08:30:57.028Z	8.385° NNE	2026-02-05 08:33:57.028Z	65.211° ENE	42.122°	2026-02-05 08:38:57.028Z	167.843° 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: 10 hours ago

TLE from 10 hours ago

TLE epoch observation values (Epoch: 2026-02-04T08:28:43.366Z)

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: 10 hours ago