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: 2 days ago
TLE from 2 days ago
0 IRIDIUM 141
1 43077U 17083H 26171.41165677 -.00000016 00000-0 -12927-4 0 9998
2 43077 86.3962 320.6422 0002094 90.7699 269.3737 14.34217440444639Epoch: 2026-06-20T09:52Z
TLE epoch observation values (Epoch: 2026-06-20T09:52:47.144Z)
Latitude
-0.00002°
Longitude
-96.18089°
Altitude
780.736 km
Speed
7.463 km/s
True Right ascension
21h 22m 34s
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
21:39:28
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
776.13 km
Perigee altitude
773.135 km
Semi-major axis
7,152.77 km
Eccentricity
0.00021
Inclination
86.3962°
RAAN
320.6422°
Arg. of periapsis
90.7699°
True anomaly
269.34971°
Mean anomaly
269.3737°
Eccentric anomaly
269.3617°
Mean motion
3.58783 °/min
Orbital period
100.34 mins
BSTAR
-0.000012927
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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 | 2026-06-22 10:37:25.607Z | 267.595° W | 2026-06-22 10:37:25.607Z | 267.595° W | 44.088° | 2026-06-22 10:42:25.607Z | 358.901° N |
| 6 mins | 2026-06-22 21:05:25.607Z | 39.302° NE | 2026-06-22 21:07:25.607Z | 71.517° E | 24.309° | 2026-06-22 21:11:25.607Z | 131.485° SE |
| 7 mins | 2026-06-22 22:45:25.607Z | 327.152° NNW | 2026-06-22 22:48:25.607Z | 277.915° WNW | 27.946° | 2026-06-22 22:52:25.607Z | 218.047° SW |
| 8 mins | 2026-06-23 10:00:25.607Z | 161.692° S | 2026-06-23 10:04:25.607Z | 65.7° ENE | 39.667° | 2026-06-23 10:08:25.607Z | 12.259° NNE |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
Click to sort rows by RSO header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Type header in ascending order | Click to sort rows by Inclination Δ header in ascending order | Click to sort rows by RAAN Δ header in ascending order | Click to sort rows by Coplanar Angle header in ascending order | Click to sort rows by SMA Δ header in ascending order | Click to sort rows by Orbital period header in ascending order | Click to sort rows by <5km Md TCA header in descending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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