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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: 21 hours ago

TLE from 21 hours ago

0 IRIDIUM 143
1 43258U 18030K   26092.36049755  .00000339  00000-0  11404-3 0  9990
2 43258  86.3974 322.2796 0002260  89.4855 270.6600 14.34220999419223

Epoch: 2026-04-02T08:39Z

TLE epoch observation values (Epoch: 2026-04-02T08:39:06.988Z)

Latitude

0.00001°

Longitude

1.79039°

Altitude

780.689 km

Speed

7.464 km/s

True Right ascension

21h 29m 07s

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

11:40:51

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

776.237 km

Perigee altitude

773.004 km

Semi-major axis

7,152.758 km

Eccentricity

0.00023

Inclination

86.3974°

RAAN

322.2796°

Arg. of periapsis

89.4855°

True anomaly

270.6341°

Mean anomaly

270.66°

Eccentric anomaly

270.64705°

Mean motion

3.58784 °/min

Orbital period

100.34 mins

BSTAR

0.00011404

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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	2026-04-03 14:55:00.278Z	136.384° SSE	2026-04-03 14:59:00.278Z	78.406° E	24.932°	2026-04-03 15:03:00.278Z	26.736° NE
7 mins	2026-04-03 16:36:00.278Z	225.854° WSW	2026-04-03 16:39:00.278Z	271.519° WNW	27.197°	2026-04-03 16:43:00.278Z	335.495° NNW
8 mins	2026-04-04 03:06:00.278Z	7.172° NNE	2026-04-04 03:10:00.278Z	103.152° ESE	41.952°	2026-04-04 03:14:00.278Z	166.123° 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 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: 21 hours ago

TLE from 21 hours ago

TLE epoch observation values (Epoch: 2026-04-02T08:39:06.988Z)

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: 21 hours ago