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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   26035.35962197  .00000230  00000-0  74997-4 0  9997
2 43258  86.4015 346.0822 0002076  80.1305 280.0125 14.34217597411057

Epoch: 2026-02-04T08:37Z

TLE epoch observation values (Epoch: 2026-02-04T08:37:51.338Z)

Latitude

-0.00002°

Longitude

82.09096°

Altitude

780.461 km

Speed

7.464 km/s

True Right ascension

23h 04m 19s

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

20:17:19

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

776.117 km

Perigee altitude

773.147 km

Semi-major axis

7,152.769 km

Eccentricity

0.00021

Inclination

86.4015°

RAAN

346.0822°

Arg. of periapsis

80.1305°

True anomaly

279.98907°

Mean anomaly

280.0125°

Eccentric anomaly

280.00079°

Mean motion

3.58783 °/min

Orbital period

100.34 mins

BSTAR

0.000074997

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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	2026-02-04 20:28:05.541Z	145.872° SSE	2026-02-04 20:32:05.541Z	90.412° ESE	29.081°	2026-02-04 20:36:05.541Z	26.409° NE
7 mins	2026-02-04 22:10:05.541Z	236.038° WSW	2026-02-04 22:13:05.541Z	281.632° WNW	23.402°	2026-02-04 22:17:05.541Z	335.183° NNW
8 mins	2026-02-05 08:40:05.541Z	2.037° NNE	2026-02-05 08:43:05.541Z	41.895° NE	44.15°	2026-02-05 08:48:05.541Z	174.584° 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: 10 hours ago

TLE from 10 hours ago

TLE epoch observation values (Epoch: 2026-02-04T08:37:51.338Z)

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