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: 8 hours ago
TLE from 8 hours ago
0 IRIDIUM 141
1 43077U 17083H 26078.82883328 -.00000030 00000-0 -17681-4 0 9997
2 43077 86.4022 359.3377 0001999 82.1925 277.9497 14.34217495431369Epoch: 2026-03-19T19:53Z
TLE epoch observation values (Epoch: 2026-03-19T19:53:31.195Z)
Latitude
-0.00009°
Longitude
-116.41493°
Altitude
780.521 km
Speed
7.464 km/s
True Right ascension
23h 57m 21s
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
08:14:04
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
776.062 km
Perigee altitude
773.203 km
Semi-major axis
7,152.769 km
Eccentricity
0.0002
Inclination
86.4022°
RAAN
359.3377°
Arg. of periapsis
82.1925°
True anomaly
277.92701°
Mean anomaly
277.9497°
Eccentric anomaly
277.93836°
Mean motion
3.58783 °/min
Orbital period
100.34 mins
BSTAR
-0.000017681
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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. |
|---|---|---|---|---|---|---|---|
| 9 mins | 2026-03-20 06:30:49.135Z | 6.792° NNE | 2026-03-20 06:34:49.135Z | 59.981° ENE | 40.096° | 2026-03-20 06:39:49.135Z | 164.044° S |
| 4 mins | 2026-03-20 08:13:49.135Z | 302.047° NW | 2026-03-20 08:15:49.135Z | 276.516° WNW | 14.198° | 2026-03-20 08:17:49.135Z | 252.73° W |
| 8 mins | 2026-03-20 19:27:49.135Z | 197.961° SSW | 2026-03-20 19:30:49.135Z | 249.121° W | 41.057° | 2026-03-20 19:35:49.135Z | 354.544° 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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