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IRIDIUM 156, 43576

Orbit data source: Space-Track

IRIDIUM 156, 43576 is a payload satellite owned by Iridium (US) in LEO that was launched on Wed, 25 Jul 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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<iframe src="https://www.satcat.com/sats-embedded/43576?theme=dark&initialShowStats=false" width="600" height="400" frameborder="0" title="Kayhan Space Satcat Satellite Viewer"></iframe>

Iframe URL

https://www.satcat.com/sats-embedded/43576?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

43576, 2018-061H

Orbit

LEO

Last TLE update

16 hours ago

Origin

Iridium Communications Inc. (US)

Manufacturer

NGIS SSG Gilbert

Mission

Operational Commercial Communications

Bus & Motor

ELITEBUS, Unknown motor

Mass

860 kg wet, 700 kg dry

Launch date (UTC)

2018-07-25 (7 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, 9.4 m

Radar Cross Section

14.423 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 16 hours ago

0 IRIDIUM 156
1 43576U 18061H   25175.06539922  .00000052  00000-0  11610-4 0  9997
2 43576  86.3982 206.3486 0002426  82.8342 277.3130 14.34218090362032

Epoch: 2025-06-24T01:34Z

TLE epoch observation values (Epoch: 2025-06-24T01:34:10.492Z)

Latitude

0.00001°

Longitude

-89.66179°

Altitude

780.496 km

Speed

7.464 km/s

True Right ascension

13h 45m 23s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

36.21376°

Longitude

87.43645°

Altitude

781.891 km

Speed

7.467 km/s

Apparent Right ascension

21h 48m 14s

Apparent Declination

1° 56' 06"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

04:30:25

Azimuth

278.297° WNW

Elevation

-6.814°

Doppler factor

Orbital elements

Apogee altitude

776.366 km

Perigee altitude

772.895 km

Semi-major axis

7,152.767 km

Eccentricity

0.00024

Inclination

86.3982°

RAAN

206.3486°

Arg. of periapsis

82.8342°

True anomaly

Unknown

Mean anomaly

277.313°

Eccentric anomaly

Unknown

Mean motion

3.58783 °/min

Orbital period

100.34 mins

BSTAR

0.00001161

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Other satellites on launch #61 in the year 2018 (2018-07-25 UTC)

IRIDIUM 156 Visibility forecast

Observer location: undefined°, undefined°

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	2025-06-25 02:48:27.046Z	190.555° SSW	2025-06-25 02:52:27.046Z	285.964° WNW	43.581°	2025-06-25 02:57:27.046Z	358.311° N
7 mins	2025-06-25 13:19:27.046Z	29.682° NE	2025-06-25 13:22:27.046Z	74.662° E	25.233°	2025-06-25 13:26:27.046Z	133.985° SE
7 mins	2025-06-25 15:00:27.046Z	324.638° NNW	2025-06-25 15:03:27.046Z	274.082° WNW	27.093°	2025-06-25 15:07:27.046Z	218.168° SW

Authenticating...

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Check out IRIDIUM 156, 43576 on other resources

View IRIDIUM 156, 43576 on NASA - NSSDCA Website

View IRIDIUM 156, 43576 on Heavens-Above

View IRIDIUM 156, 43576 on Keep Track

View IRIDIUM 156, 43576 on Celestrak

View IRIDIUM 156, 43576 on Gunter's Space Page

Satcat and Kayhan Space are not affiliated with NASA, Celestrak, Heavens-Above, Keep Track, or Gunter's Space Page.