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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43077 intel report (Beta)
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Identifier
Orbit
Country
USRelated business
Manufacturer
OATK SSG Gilbert
Mission
Operational Commercial Communications
Bus & Motor
ELITEBUS, Unknown motor
Mass
860 kg wet, 700 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Trap Box + 2 Pan, 4.8 m
Radar Cross Section
10.154 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 21 hours ago
TLE from 21 hours ago
0 IRIDIUM 141
1 43077U 17083H 26282.41336792 .00000042 00000-0 78493-5 0 9997
2 43077 86.3905 274.2205 0002280 87.9442 272.2015 14.34217397460541Epoch: 2026-10-09T09:55Z
TLE epoch observation values (Epoch: 2026-10-09T09:55:14.988Z)
Latitude
0°
Longitude
107.37284°
Altitude
780.657 km
Speed
7.464 km/s
True Right ascension
18h 16m 52s
True Declination
0° 00' 00"
Sunlit
Visualization orbit readout
Latitude
Unknown
Longitude
Unknown
Altitude
Unknown
Speed
Unknown
Apparent Right ascension
Unknown
Apparent Declination
Unknown
Sunlit
Visualization observer readout
Local Sidereal Time
00:43:20
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
776.264 km
Perigee altitude
773.002 km
Semi-major axis
7,152.77 km
Eccentricity
0.00023
Inclination
86.3905°
RAAN
274.2205°
Arg. of periapsis
87.9442°
True anomaly
272.17539°
Mean anomaly
272.2015°
Eccentric anomaly
272.18845°
Mean motion
3.58783 °/min
Orbital period
100.34 mins
BSTAR
0.0000078493
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Other satellites on launch #83 in the year 2017 (2017-12-23 UTC)
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You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.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. |
|---|---|---|---|---|---|---|---|
| 10 mins | 2026-10-10 11:36:17.743Z | 0.03° NNE | 2026-10-10 11:41:17.743Z | 89.892° E | 79.807° | 2026-10-10 11:46:17.743Z | 174.674° S |
| 5 mins | 2026-10-10 22:55:17.743Z | 102.908° ESE | 2026-10-10 22:57:17.743Z | 74.13° E | 18.587° | 2026-10-10 23:00:17.743Z | 38.178° NE |
| 8 mins | 2026-10-11 00:33:17.743Z | 207.025° SW | 2026-10-11 00:37:17.743Z | 279.912° WNW | 47.272° | 2026-10-11 00:41:17.743Z | 346.689° N |
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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