ONEWEB-0399, 50479
Orbit data source: Space-Track
ONEWEB-0399, 50479 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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50479 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-0399
1 50479U 21132L 26171.32573584 .00000255 00000-0 68468-3 0 9995
2 50479 87.8891 20.4441 0002092 73.8336 286.3022 13.11417974216017Epoch: 2026-06-20T07:49Z
TLE epoch observation values (Epoch: 2026-06-20T07:49:03.576Z)
Latitude
-0.00003°
Longitude
-5.36277°
Altitude
1,220.122 km
Speed
7.244 km/s
True Right ascension
01h 21m 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
21:34:26
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,216.385 km
Perigee altitude
1,213.208 km
Semi-major axis
7,592.934 km
Eccentricity
0.00021
Inclination
87.8891°
RAAN
20.4441°
Arg. of periapsis
73.8336°
True anomaly
286.27919°
Mean anomaly
286.3022°
Eccentric anomaly
286.29069°
Mean motion
3.28041 °/min
Orbital period
109.74 mins
BSTAR
0.00068468
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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-0399 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. |
|---|---|---|---|---|---|---|---|
| 11 mins | 2026-06-22 13:02:24.343Z | 128.433° SE | 2026-06-22 13:07:24.343Z | 83.223° E | 24.059° | 2026-06-22 13:13:24.343Z | 25.404° NE |
| 13 mins | 2026-06-22 14:51:24.343Z | 201.407° SSW | 2026-06-22 14:57:24.343Z | 277.874° WNW | 39.126° | 2026-06-22 15:04:24.343Z | 351.603° N |
| 9 mins | 2026-06-23 00:32:24.343Z | 36.805° NE | 2026-06-23 00:36:24.343Z | 74.976° E | 19.847° | 2026-06-23 00:41:24.343Z | 120.143° SE |
| 12 mins | 2026-06-23 02:21:24.343Z | 351.644° N | 2026-06-23 02:27:24.343Z | 250.593° W | 42.475° | 2026-06-23 02:33:24.343Z | 193.87° SSW |
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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