ONEWEB-0397, 50477
Orbit data source: Space-Track
ONEWEB-0397, 50477 is a payload satellite owned by One Web (NAA) (UK) in LEO that was launched on Mon, 27 Dec 2021 UTC via a SOYUZ-2-1B launch vehicle from the Tyuratam Missile And Space Complex (TTMTR). 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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50477 intel report (Beta)
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Identifier
Orbit
Country
UKRelated business
Manufacturer
One Web
Mission
Operational Commercial Communications
Bus & Motor
ARROW, Unknown motor
Mass
148 kg wet, ~140 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Trap Box + 2 Pan, 6.7 m
Radar Cross Section
3.464 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 2 days ago
TLE from 2 days ago
0 ONEWEB-0397
1 50477U 21132J 26171.44510782 .00000013 00000-0 14688-5 0 9996
2 50477 87.9172 334.8064 0001818 85.9058 274.2282 13.18685646222045Epoch: 2026-06-20T10:40Z
TLE epoch observation values (Epoch: 2026-06-20T10:40:57.315Z)
Latitude
-0.00002°
Longitude
-94.09204°
Altitude
1,192.543 km
Speed
7.258 km/s
True Right ascension
22h 19m 13s
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
21:33:16
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,188.227 km
Perigee altitude
1,185.476 km
Semi-major axis
7,564.989 km
Eccentricity
0.00018
Inclination
87.9172°
RAAN
334.8064°
Arg. of periapsis
85.9058°
True anomaly
274.20742°
Mean anomaly
274.2282°
Eccentric anomaly
274.21781°
Mean motion
3.29861 °/min
Orbital period
109.14 mins
BSTAR
0.0000014688
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Other satellites on launch #132 in the year 2021 (2021-12-27 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.ONEWEB-0397 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. |
|---|---|---|---|---|---|---|---|
| 12 mins | 2026-06-22 11:57:15.221Z | 206.071° SW | 2026-06-22 12:03:15.221Z | 276.436° WNW | 36.346° | 2026-06-22 12:09:15.221Z | 346.259° N |
| 9 mins | 2026-06-22 21:35:15.221Z | 36.643° NE | 2026-06-22 21:39:15.221Z | 76.614° E | 20.769° | 2026-06-22 21:44:15.221Z | 122.973° SE |
| 12 mins | 2026-06-22 23:23:15.221Z | 350.712° N | 2026-06-22 23:29:15.221Z | 263.994° W | 41.744° | 2026-06-22 23:35:15.221Z | 196.689° SSW |
| 9 mins | 2026-06-23 09:51:15.221Z | 113.385° SE | 2026-06-23 09:55:15.221Z | 71.449° E | 21.671° | 2026-06-23 10:00:15.221Z | 27.037° NE |
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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