ONEWEB-0255, 48973
Orbit data source: Space-Track
ONEWEB-0255, 48973 is a payload satellite owned by One Web (NAA) (UK) in LEO that was launched on Thu, 01 Jul 2021 UTC via a SOYUZ-2-1B launch vehicle from the Vostochny Cosmodrome (VOSTO). 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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48973 intel report (Beta)
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Edit Public Description
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: 19 hours ago
TLE from 19 hours ago
0 ONEWEB-0255
1 48973U 21060G 25348.82753835 -.00000023 00000-0 -93405-4 0 9995
2 48973 87.9034 265.4935 0001797 67.5727 292.5594 13.16594597215404Epoch: 2025-12-14T19:51Z
TLE epoch observation values (Epoch: 2025-12-14T19:51:39.313Z)
Latitude
-0.00003°
Longitude
-116.15517°
Altitude
1,200.13 km
Speed
7.254 km/s
True Right ascension
17h 41m 58s
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
13:18:52
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,196.227 km
Perigee altitude
1,193.505 km
Semi-major axis
7,573.003 km
Eccentricity
0.00018
Inclination
87.9034°
RAAN
265.4935°
Arg. of periapsis
67.5727°
True anomaly
292.54038°
Mean anomaly
292.5594°
Eccentric anomaly
292.54989°
Mean motion
3.29337 °/min
Orbital period
109.31 mins
BSTAR
-0.000093405
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Other satellites on launch #60 in the year 2021 (2021-07-01 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-0255 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 | 2025-12-15 17:52:18.943Z | 128.828° SE | 2025-12-15 17:57:18.943Z | 79.667° E | 25.243° | 2025-12-15 18:03:18.943Z | 22.888° NE |
| 12 mins | 2025-12-15 19:41:18.943Z | 206.339° SW | 2025-12-15 19:46:18.943Z | 270.017° WNW | 37.78° | 2025-12-15 19:53:18.943Z | 349.929° N |
| 9 mins | 2025-12-16 05:19:18.943Z | 36.311° NE | 2025-12-16 05:23:18.943Z | 74.842° E | 19.923° | 2025-12-16 05:28:18.943Z | 120.685° SE |
| 13 mins | 2025-12-16 07:07:18.943Z | 352.374° N | 2025-12-16 07:13:18.943Z | 278.661° WNW | 42.584° | 2025-12-16 07:20:18.943Z | 193.772° 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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