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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: 10 hours ago

TLE from 10 hours ago

0 IRIDIUM 143
1 43258U 18030K   26095.15124169  .00000303  00000-0  10131-3 0  9990
2 43258  86.3968 321.1129 0002277  89.0535 271.0922 14.34217187419624

Epoch: 2026-04-05T03:37Z

TLE epoch observation values (Epoch: 2026-04-05T03:37:47.282Z)

Latitude

0.00004°

Longitude

73.20511°

Altitude

780.689 km

Speed

7.464 km/s

True Right ascension

21h 24m 27s

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

19:28:37

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

776.262 km

Perigee altitude

773.005 km

Semi-major axis

7,152.771 km

Eccentricity

0.00023

Inclination

86.3968°

RAAN

321.1129°

Arg. of periapsis

89.0535°

True anomaly

271.06611°

Mean anomaly

271.0922°

Eccentric anomaly

271.07916°

Mean motion

3.58783 °/min

Orbital period

100.34 mins

BSTAR

0.00010131

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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.
9 mins	2026-04-05 15:27:36.971Z	174.335° S	2026-04-05 15:32:36.971Z	45.342° ENE	43.274°	2026-04-05 15:36:36.971Z	6.585° NNE
5 mins	2026-04-06 02:00:36.971Z	51.255° ENE	2026-04-06 02:02:36.971Z	80.344° E	18.182°	2026-04-06 02:05:36.971Z	118.204° SE
8 mins	2026-04-06 03:39:36.971Z	339.597° N	2026-04-06 03:43:36.971Z	262.722° W	35.496°	2026-04-06 03:47:36.971Z	203.735° SW

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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: 10 hours ago

TLE from 10 hours ago

TLE epoch observation values (Epoch: 2026-04-05T03:37:47.282Z)

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: 10 hours ago