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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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-0255
1 48973U 21060G 26171.38805427 .00000073 00000-0 15816-3 0 9998
2 48973 87.9097 228.1445 0001938 101.8563 258.2785 13.16595047240086Epoch: 2026-06-20T09:18Z
TLE epoch observation values (Epoch: 2026-06-20T09:18:47.888Z)
Latitude
-0.00008°
Longitude
179.84157°
Altitude
1,200.949 km
Speed
7.253 km/s
True Right ascension
15h 12m 34s
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
23:18:26
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,196.332 km
Perigee altitude
1,193.396 km
Semi-major axis
7,573.001 km
Eccentricity
0.00019
Inclination
87.9097°
RAAN
228.1445°
Arg. of periapsis
101.8563°
True anomaly
258.25676°
Mean anomaly
258.2785°
Eccentric anomaly
258.26763°
Mean motion
3.29337 °/min
Orbital period
109.31 mins
BSTAR
0.00015816
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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 | 2026-06-22 14:49:07.513Z | 22.841° NE | 2026-06-22 14:55:07.513Z | 87.176° E | 27.411° | 2026-06-22 15:00:07.513Z | 136.495° SSE |
| 11 mins | 2026-06-22 16:39:07.513Z | 341.081° N | 2026-06-22 16:44:07.513Z | 279.56° WNW | 35.462° | 2026-06-22 16:50:07.513Z | 210.684° SW |
| 11 mins | 2026-06-23 03:06:07.513Z | 133.07° SE | 2026-06-23 03:11:07.513Z | 76.39° E | 29.019° | 2026-06-23 03:17:07.513Z | 19.196° NNE |
| 11 mins | 2026-06-23 04:55:07.513Z | 214.581° SW | 2026-06-23 05:00:07.513Z | 275.964° WNW | 34.026° | 2026-06-23 05:06:07.513Z | 343.926° 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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