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: 10 hours ago
TLE from 10 hours ago
0 IRIDIUM 141
1 43077U 17083H 26222.76128694 .00000075 00000-0 19684-4 0 9991
2 43077 86.3971 299.1814 0002221 95.6455 264.4994 14.34217973451999Epoch: 2026-08-10T18:16Z
TLE epoch observation values (Epoch: 2026-08-10T18:16:15.191Z)
Latitude
-0.00004°
Longitude
65.87881°
Altitude
780.87 km
Speed
7.463 km/s
True Right ascension
19h 56m 43s
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
18:26:05
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
776.22 km
Perigee altitude
773.042 km
Semi-major axis
7,152.768 km
Eccentricity
0.00022
Inclination
86.3971°
RAAN
299.1814°
Arg. of periapsis
95.6455°
True anomaly
264.47407°
Mean anomaly
264.4994°
Eccentric anomaly
264.48673°
Mean motion
3.58783 °/min
Orbital period
100.34 mins
BSTAR
0.000019684
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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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2026-08-11 04:27:59.412Z | 110.087° ESE | 2026-08-11 04:30:59.412Z | 72.622° E | 14.999° | 2026-08-11 04:32:59.412Z | 48.403° ENE |
| 8 mins | 2026-08-11 06:06:59.412Z | 201.134° SSW | 2026-08-11 06:10:59.412Z | 288.597° WNW | 39.53° | 2026-08-11 06:14:59.412Z | 351.26° N |
| 7 mins | 2026-08-11 16:37:59.412Z | 25.95° NE | 2026-08-11 16:40:59.412Z | 77.607° E | 30.18° | 2026-08-11 16:44:59.412Z | 142.556° SSE |
| 6 mins | 2026-08-11 18:18:59.412Z | 317.994° NNW | 2026-08-11 18:21:59.412Z | 271.467° WNW | 22.3° | 2026-08-11 18:24:59.412Z | 230.94° WSW |
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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