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: 14 hours ago
TLE from 14 hours ago
0 IRIDIUM 141
1 43077U 17083H 26124.66674946 .00000172 00000-0 54439-4 0 9992
2 43077 86.3972 340.1929 0002107 89.1846 270.9591 14.34218135437933Epoch: 2026-05-04T16:00Z
TLE epoch observation values (Epoch: 2026-05-04T16:00:07.153Z)
Latitude
-0.00004°
Longitude
-122.38957°
Altitude
780.692 km
Speed
7.464 km/s
True Right ascension
22h 40m 46s
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
14:07:55
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
776.137 km
Perigee altitude
773.123 km
Semi-major axis
7,152.767 km
Eccentricity
0.00021
Inclination
86.3972°
RAAN
340.1929°
Arg. of periapsis
89.1846°
True anomaly
270.93496°
Mean anomaly
270.9591°
Eccentric anomaly
270.94703°
Mean motion
3.58783 °/min
Orbital period
100.34 mins
BSTAR
0.000054439
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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 | 2026-05-05 13:53:51.108Z | 130.61° SE | 2026-05-05 13:57:51.108Z | 75.627° E | 21.764° | 2026-05-05 14:00:51.108Z | 35.613° NE |
| 7 mins | 2026-05-05 15:34:51.108Z | 222.028° SW | 2026-05-05 15:37:51.108Z | 275.061° WNW | 30.844° | 2026-05-05 15:41:51.108Z | 340.3° N |
| 8 mins | 2026-05-06 02:04:51.108Z | 12.647° NNE | 2026-05-06 02:08:51.108Z | 105.299° ESE | 38.517° | 2026-05-06 02:12:51.108Z | 160.563° S |
| 4 mins | 2026-05-06 03:46:51.108Z | 303.985° NW | 2026-05-06 03:48:51.108Z | 277.528° WNW | 15.537° | 2026-05-06 03:50:51.108Z | 252.359° W |
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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