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IRIDIUM 141, 43077

Orbit data source: Space-Track

IRIDIUM 141, 43077 is a payload satellite owned by Iridium (US) in LEO that was launched on Sat, 23 Dec 2017 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/43077?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/43077?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

43077, 2017-083H

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)

2017-12-23 (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, 4.7 m

Radar Cross Section

14.423 m², Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 14 hours ago

TLE from 14 hours ago

0 IRIDIUM 141
1 43077U 17083H   25243.10480417  .00000105  00000-0  30403-4 0  9991
2 43077  86.3908  83.2679 0001978  86.9448 273.1975 14.34217939402593

Epoch: 2025-08-31T02:30Z

TLE epoch observation values (Epoch: 2025-08-31T02:30:55.08Z)

Latitude

0.00008°

Longitude

66.00887°

Altitude

780.639 km

Speed

7.464 km/s

True Right ascension

05h 33m 04s

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

07:58:32

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

776.046 km

Perigee altitude

773.216 km

Semi-major axis

7,152.768 km

Eccentricity

0.0002

Inclination

86.3908°

RAAN

83.2679°

Arg. of periapsis

86.9448°

True anomaly

273.17487°

Mean anomaly

273.1975°

Eccentric anomaly

273.18618°

Mean motion

3.58783 °/min

Orbital period

100.34 mins

BSTAR

0.000030403

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Other satellites on launch #83 in the year 2017 (2017-12-23 UTC)

IRIDIUM 141 Visibility forecast

Observer location: undefined°, undefined°
Set Observer location

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	2025-09-01 00:51:37.349Z	18.553° NNE	2025-09-01 00:55:37.349Z	76.832° E	29.937°	2025-09-01 00:59:37.349Z	141.976° SSE
6 mins	2025-09-01 02:33:37.349Z	318.53° NNW	2025-09-01 02:36:37.349Z	272° WNW	22.534°	2025-09-01 02:39:37.349Z	230.942° WSW
8 mins	2025-09-01 13:48:37.349Z	173.063° S	2025-09-01 13:51:37.349Z	119.371° SE	44.06°	2025-09-01 13:56:37.349Z	5.889° NNE