DUPLEX, 66906
Orbit data source: Space-Track
DUPLEX, 66906 is an American payload satellite in LEO that was delivered to the ISS. 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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66906 intel report (Beta)
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Identifier
Orbit
Country
USRelated business
Manufacturer
CUA
Mission
Operational Amateur Technology
Bus & Motor
CUBESAT 6U, Unknown motor
Mass
~10 kg wet, ~10 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box, 0.1 m
Radar Cross Section
0.015 m², Medium (>0.1 m² and < 1m²)
Expand to show TLE details & historyLast TLE update: 1 day ago
TLE from 1 day ago
0 DUPLEX
1 66906U 98067XS 26259.18049967 .00060823 00000-0 50177-3 0 9997
2 66906 51.6236 187.6190 0004464 145.5222 214.6065 15.69731661 44910Epoch: 2026-09-16T04:19Z
TLE epoch observation values (Epoch: 2026-09-16T04:19:55.171Z)
Latitude
-0.00005°
Longitude
127.50329°
Altitude
362.887 km
Speed
7.692 km/s
True Right ascension
12h 30m 28s
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
04:04:39
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
363.188 km
Perigee altitude
357.172 km
Semi-major axis
6,738.317 km
Eccentricity
0.00045
Inclination
51.6236°
RAAN
187.619°
Arg. of periapsis
145.5222°
True anomaly
214.57746°
Mean anomaly
214.6065°
Eccentric anomaly
214.59198°
Mean motion
3.92388 °/min
Orbital period
91.75 mins
BSTAR
0.00050177
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Other satellites on launch #67 in the year 1998 (1998-11-20 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.DUPLEX 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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2026-09-17 21:46:29.651Z | 227.562° WSW | 2026-09-17 21:48:29.651Z | 195.892° SSW | 74.156° | 2026-09-17 21:51:29.651Z | 54.56° ENE |
| 4 mins | 2026-09-18 04:11:29.651Z | 310.33° NW | 2026-09-18 04:13:29.651Z | 95.603° ESE | 75.778° | 2026-09-18 04:15:29.651Z | 124.795° SE |
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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Click to sort rows by Secondary header in ascending order | Click to sort rows by Secondary name header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Owner header in ascending order | Click to sort rows by Obj. Type header in ascending order | Click to sort rows by Miss dist. header in ascending order | Click to sort rows by Rel. speed header in ascending order | Click to sort rows by Apr. angle header in ascending order | Click to sort rows by TCA header in descending order |
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