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: 12 hours ago
TLE from 12 hours ago
0 IRIDIUM 137
1 43076U 17083G 26108.62633385 .00000188 00000-0 60113-4 0 9994
2 43076 86.4002 347.0625 0002344 73.3000 286.8453 14.34219327435638Epoch: 2026-04-18T15:01Z
TLE epoch observation values (Epoch: 2026-04-18T15:01:55.244Z)
Latitude
-0.00003°
Longitude
-85.16016°
Altitude
780.227 km
Speed
7.464 km/s
True Right ascension
23h 08m 14s
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
10:09:25
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
776.303 km
Perigee altitude
772.95 km
Semi-major axis
7,152.763 km
Eccentricity
0.00023
Inclination
86.4002°
RAAN
347.0625°
Arg. of periapsis
73.3°
True anomaly
286.81959°
Mean anomaly
286.8453°
Eccentric anomaly
286.83245°
Mean motion
3.58783 °/min
Orbital period
100.34 mins
BSTAR
0.000060113
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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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2026-04-19 03:20:53.854Z | 26.888° NE | 2026-04-19 03:23:53.854Z | 78.8° E | 29.746° | 2026-04-19 03:27:53.854Z | 142.143° SSE |
| 6 mins | 2026-04-19 05:01:53.854Z | 317.923° NNW | 2026-04-19 05:04:53.854Z | 270.559° WNW | 22.681° | 2026-04-19 05:07:53.854Z | 230.007° WSW |
| 9 mins | 2026-04-19 16:15:53.854Z | 174.114° S | 2026-04-19 16:19:53.854Z | 109.236° ESE | 44.093° | 2026-04-19 16:24:53.854Z | 6.018° NNE |
| 5 mins | 2026-04-20 02:47:53.854Z | 44.15° NE | 2026-04-20 02:49:53.854Z | 71.419° E | 18.253° | 2026-04-20 02:52:53.854Z | 112.633° SE |
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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