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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Edit Public Description
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: 9 hours ago
TLE from 9 hours ago
0 IRIDIUM 141
1 43077U 17083H 25289.08225845 -.00000133 00000-0 -54540-4 0 9991
2 43077 86.3946 64.0214 0002249 95.6304 264.5148 14.34215467409189Epoch: 2025-10-16T01:58Z
TLE epoch observation values (Epoch: 2025-10-16T01:58:27.130Z)
Latitude
-0.00003°
Longitude
9.56127°
Altitude
780.88 km
Speed
7.463 km/s
True Right ascension
04h 16m 05s
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
05:09:16
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
776.248 km
Perigee altitude
773.031 km
Semi-major axis
7,152.776 km
Eccentricity
0.00022
Inclination
86.3946°
RAAN
64.0214°
Arg. of periapsis
95.6304°
True anomaly
264.48915°
Mean anomaly
264.5148°
Eccentric anomaly
264.50197°
Mean motion
3.58782 °/min
Orbital period
100.34 mins
BSTAR
-0.00005454
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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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2025-10-16 10:28:57.960Z | 225.091° WSW | 2025-10-16 10:31:57.960Z | 274.74° WNW | 28.75° | 2025-10-16 10:35:57.960Z | 338.058° N |
| 8 mins | 2025-10-16 20:58:57.960Z | 9.688° NNE | 2025-10-16 21:02:57.960Z | 108.463° ESE | 40.437° | 2025-10-16 21:06:57.960Z | 164.02° S |
| 4 mins | 2025-10-17 08:16:57.960Z | 95.852° ESE | 2025-10-17 08:17:57.960Z | 83.471° E | 13.646° | 2025-10-17 08:20:57.960Z | 47.7° ENE |
| 8 mins | 2025-10-17 09:54:57.960Z | 197.818° SSW | 2025-10-17 09:58:57.960Z | 301.849° NW | 40.745° | 2025-10-17 10:02:57.960Z | 354.049° 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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