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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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ISO8601 Format

Identifier

43077, 2017-083H

Orbit

LEO

Last TLE update

15 hours ago

Origin

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

TLE from 15 hours ago

0 IRIDIUM 141
1 43077U 17083H   25221.61610076  .00000088  00000-0  24336-4 0  9997
2 43077  86.3929  92.2633 0002128  82.2935 277.8502 14.34217328399510

Epoch: 2025-08-09T14:47Z

TLE epoch observation values (Epoch: 2025-08-09T14:47:11.105Z)

Latitude

-0.00007°

Longitude

-87.88222°

Altitude

780.512 km

Speed

7.464 km/s

True Right ascension

06h 09m 03s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

54.3584°

Longitude

-83.13245°

Altitude

785.346 km

Speed

7.467 km/s

Apparent Right ascension

07h 29m 36s

Apparent Declination

11° 06' 05"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

20:21:58

Azimuth

16.285° NNE

Elevation

-37.554°

Doppler factor

Orbital elements

Apogee altitude

776.155 km

Perigee altitude

773.111 km

Semi-major axis

7,152.77 km

Eccentricity

0.00021

Inclination

86.3929°

RAAN

92.2633°

Arg. of periapsis

82.2935°

True anomaly

277.82604°

Mean anomaly

277.8502°

Eccentric anomaly

277.83812°

Mean motion

3.58783 °/min

Orbital period

100.34 mins

BSTAR

0.000024336

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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°

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	2025-08-10 16:00:32.086Z	183.332° SSW	2025-08-10 16:05:32.086Z	324.747° NNW	44.662°	2025-08-10 16:09:32.086Z	0.697° NNE
7 mins	2025-08-11 02:32:32.086Z	33.399° NE	2025-08-11 02:35:32.086Z	76.671° E	22.397°	2025-08-11 02:39:32.086Z	130.435° SE
7 mins	2025-08-11 04:13:32.086Z	327.523° NNW	2025-08-11 04:16:32.086Z	271.698° WNW	30.335°	2025-08-11 04:20:32.086Z	212.983° SW

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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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.