ONEWEB-0256, 48974
Orbit data source: Space-Track
ONEWEB-0256, 48974 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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48974 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: 10 hours ago
TLE from 10 hours ago
0 ONEWEB-0256
1 48974U 21060H 25349.76564775 .00000091 00000-0 20527-3 0 9990
2 48974 87.9036 265.3148 0001735 78.2956 281.8370 13.16595292215492Epoch: 2025-12-15T18:22Z
TLE epoch observation values (Epoch: 2025-12-15T18:22:31.965Z)
Latitude
0.00002°
Longitude
-94.9779°
Altitude
1,200.38 km
Speed
7.254 km/s
True Right ascension
17h 41m 15s
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
03:06:10
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,196.177 km
Perigee altitude
1,193.549 km
Semi-major axis
7,573 km
Eccentricity
0.00017
Inclination
87.9036°
RAAN
265.3148°
Arg. of periapsis
78.2956°
True anomaly
281.81754°
Mean anomaly
281.837°
Eccentric anomaly
281.82727°
Mean motion
3.29338 °/min
Orbital period
109.31 mins
BSTAR
0.00020527
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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-0256 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 | 2025-12-16 05:55:21.578Z | 16.505° NNE | 2025-12-16 06:01:21.578Z | 79.846° E | 32.486° | 2025-12-16 06:07:21.578Z | 146.531° SSE |
| 10 mins | 2025-12-16 07:46:21.578Z | 333.159° NNW | 2025-12-16 07:50:21.578Z | 287.495° WNW | 30.391° | 2025-12-16 07:56:21.578Z | 220.516° SW |
| 11 mins | 2025-12-16 18:12:21.578Z | 143.481° SSE | 2025-12-16 18:17:21.578Z | 84.959° E | 33.914° | 2025-12-16 18:23:21.578Z | 17.179° NNE |
| 11 mins | 2025-12-16 20:02:21.578Z | 225.77° WSW | 2025-12-16 20:07:21.578Z | 284.953° WNW | 29.022° | 2025-12-16 20:13:21.578Z | 342.177° N |
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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