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IRIDIUM 143, 43258

Orbit data source: Space-Track

IRIDIUM 143, 43258 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/43258?theme=dark&initialShowStats=false

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Identifier

43258, 2018-030K

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: 12 hours ago

TLE from 12 hours ago

0 IRIDIUM 143
1 43258U 18030K   26032.42934292  .00000369  00000-0  12453-3 0  9998
2 43258  86.4012 347.3058 0002155  79.7664 280.3774 14.34216300410636

Epoch: 2026-02-01T10:18Z

TLE epoch observation values (Epoch: 2026-02-01T10:18:15.228Z)

Latitude

-0.00009°

Longitude

61.10324°

Altitude

780.445 km

Speed

7.464 km/s

True Right ascension

23h 09m 13s

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

00:04:30

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

776.178 km

Perigee altitude

773.095 km

Semi-major axis

7,152.773 km

Eccentricity

0.00022

Inclination

86.4012°

RAAN

347.3058°

Arg. of periapsis

79.7664°

True anomaly

280.35311°

Mean anomaly

280.3774°

Eccentric anomaly

280.36525°

Mean motion

3.58783 °/min

Orbital period

100.34 mins

BSTAR

0.00012453

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

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IRIDIUM 143 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	2026-02-02 08:39:27.639Z	11.368° NNE	2026-02-02 08:43:27.639Z	93.756° ESE	39.074°	2026-02-02 08:47:27.639Z	159.618° S
5 mins	2026-02-02 10:21:27.639Z	306.995° NW	2026-02-02 10:23:27.639Z	281.137° WNW	15.587°	2026-02-02 10:26:27.639Z	244.973° WSW
8 mins	2026-02-02 21:35:27.639Z	192.816° SSW	2026-02-02 21:39:27.639Z	294.068° NW	42.811°	2026-02-02 21:43:27.639Z	355.732° N

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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 143, 43258 on other resources

View IRIDIUM 143, 43258 on NASA - NSSDCA Website

View IRIDIUM 143, 43258 on Heavens-Above

View IRIDIUM 143, 43258 on Keep Track

View IRIDIUM 143, 43258 on Celestrak

View IRIDIUM 143, 43258 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 143, 43258

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 12 hours ago

TLE from 12 hours ago

TLE epoch observation values (Epoch: 2026-02-01T10:18:15.228Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

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

IRIDIUM 143 Visibility forecast

Co-orbital & Co-planar RSOs

Check out IRIDIUM 143, 43258 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 12 hours ago