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: 14 hours ago
TLE from 14 hours ago
0 IRIDIUM 141
1 43077U 17083H 26033.47929681 .00000031 00000-0 39125-5 0 9999
2 43077 86.3967 18.2796 0002291 89.2690 270.8768 14.34217450424866Epoch: 2026-02-02T11:30Z
TLE epoch observation values (Epoch: 2026-02-02T11:30:11.244Z)
Latitude
-0.00005°
Longitude
73.05875°
Altitude
780.694 km
Speed
7.464 km/s
True Right ascension
01h 13m 07s
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
03:28:29
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
776.271 km
Perigee altitude
772.994 km
Semi-major axis
7,152.77 km
Eccentricity
0.00023
Inclination
86.3967°
RAAN
18.2796°
Arg. of periapsis
89.269°
True anomaly
270.85055°
Mean anomaly
270.8768°
Eccentric anomaly
270.86368°
Mean motion
3.58783 °/min
Orbital period
100.34 mins
BSTAR
0.0000039125
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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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2026-02-03 09:51:57.236Z | 38.878° NE | 2026-02-03 09:54:57.236Z | 79.409° E | 18.41° | 2026-02-03 09:57:57.236Z | 117.898° SE |
| 8 mins | 2026-02-03 11:31:57.236Z | 339.627° N | 2026-02-03 11:35:57.236Z | 265.054° W | 35.306° | 2026-02-03 11:39:57.236Z | 204.452° SW |
| 8 mins | 2026-02-03 22:47:57.236Z | 145.224° SSE | 2026-02-03 22:50:57.236Z | 92.079° ESE | 32.938° | 2026-02-03 22:55:57.236Z | 17.715° NNE |
| 5 mins | 2026-02-04 00:29:57.236Z | 251.273° W | 2026-02-04 00:31:57.236Z | 281.357° WNW | 20.24° | 2026-02-04 00:34:57.236Z | 323.399° NNW |
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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