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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 URL

https://www.satcat.com/sats-embedded/43077?theme=dark&initialShowStats=false

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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, 4.8 m

Radar Cross Section

10.154 m², Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 8 hours ago

TLE from 8 hours ago

0 IRIDIUM 141
1 43077U 17083H   25338.68767485  .00000296  00000-0  98685-4 0  9999
2 43077  86.3978  43.2882 0002032  95.2030 264.9397 14.34219409416296

Epoch: 2025-12-04T16:30Z

TLE epoch observation values (Epoch: 2025-12-04T16:30:15.107Z)

Latitude

-0.00007°

Longitude

81.98471°

Altitude

780.841 km

Speed

7.463 km/s

True Right ascension

02h 53m 09s

True Declination

0° 00' 00"

Sunlit

Object was in full shadow 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

22:20:46

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

776.08 km

Perigee altitude

773.173 km

Semi-major axis

7,152.763 km

Eccentricity

0.0002

Inclination

86.3978°

RAAN

43.2882°

Arg. of periapsis

95.203°

True anomaly

264.91651°

Mean anomaly

264.9397°

Eccentric anomaly

264.9281°

Mean motion

3.58783 °/min

Orbital period

100.34 mins

BSTAR

0.000098685

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

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IRIDIUM 141 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	2025-12-05 04:20:58.646Z	143.08° SSE	2025-12-05 04:24:58.646Z	78.413° E	29.263°	2025-12-05 04:28:58.646Z	23.212° NE
6 mins	2025-12-05 06:02:58.646Z	241.55° WSW	2025-12-05 06:04:58.646Z	272.077° WNW	22.96°	2025-12-05 06:08:58.646Z	330.993° NNW
8 mins	2025-12-05 16:31:58.646Z	0.955° NNE	2025-12-05 16:35:58.646Z	120.81° SE	44.488°	2025-12-05 16:39:58.646Z	174.44° 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 141, 43077 on other resources

View IRIDIUM 141, 43077 on NASA - NSSDCA Website

View IRIDIUM 141, 43077 on Heavens-Above

View IRIDIUM 141, 43077 on Keep Track

View IRIDIUM 141, 43077 on Celestrak

View IRIDIUM 141, 43077 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 141, 43077

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 8 hours ago

TLE from 8 hours ago

TLE epoch observation values (Epoch: 2025-12-04T16:30:15.107Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

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

IRIDIUM 141 Visibility forecast

Co-orbital & Co-planar RSOs

Check out IRIDIUM 141, 43077 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 8 hours ago