IRIDIUM 137, 43076
Orbit data source: Space-Track
IRIDIUM 137, 43076 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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43076 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: 9 hours ago
TLE from 9 hours ago
0 IRIDIUM 137
1 43076U 17083G 26137.09188788 .00000045 00000-0 90265-5 0 9993
2 43076 86.3965 335.1647 0001705 85.4894 274.6496 14.34217738439711Epoch: 2026-05-17T02:12Z
TLE epoch observation values (Epoch: 2026-05-17T02:12:19.112Z)
Latitude
-0.0001°
Longitude
67.28559°
Altitude
780.619 km
Speed
7.464 km/s
True Right ascension
22h 20m 39s
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
20:12:30
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
775.851 km
Perigee altitude
773.412 km
Semi-major axis
7,152.769 km
Eccentricity
0.00017
Inclination
86.3965°
RAAN
335.1647°
Arg. of periapsis
85.4894°
True anomaly
274.63013°
Mean anomaly
274.6496°
Eccentric anomaly
274.63986°
Mean motion
3.58783 °/min
Orbital period
100.34 mins
BSTAR
0.0000090265
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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 137 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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2026-05-17 12:24:14.630Z | 106.261° ESE | 2026-05-17 12:26:14.630Z | 83.185° E | 13.292° | 2026-05-17 12:28:14.630Z | 58.407° ENE |
| 8 mins | 2026-05-17 14:03:14.630Z | 196.73° SSW | 2026-05-17 14:07:14.630Z | 304.449° NW | 41.091° | 2026-05-17 14:11:14.630Z | 354.677° N |
| 7 mins | 2026-05-18 00:34:14.630Z | 30.718° NE | 2026-05-18 00:37:14.630Z | 82.457° E | 27.652° | 2026-05-18 00:41:14.630Z | 140.038° SSE |
| 6 mins | 2026-05-18 02:15:14.630Z | 318.208° NNW | 2026-05-18 02:17:14.630Z | 286.88° WNW | 24.438° | 2026-05-18 02:21:14.630Z | 226.053° 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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