ONEWEB-0253, 48971
Orbit data source: Space-Track
ONEWEB-0253, 48971 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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48971 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-0253
1 48971U 21060E 26171.41655456 -.00000119 00000-0 -34501-3 0 9990
2 48971 87.9094 228.1348 0002095 100.7969 259.3398 13.16593778240010Epoch: 2026-06-20T09:59Z
TLE epoch observation values (Epoch: 2026-06-20T09:59:50.313Z)
Latitude
-0.00003°
Longitude
169.54367°
Altitude
1,200.949 km
Speed
7.253 km/s
True Right ascension
15h 12m 32s
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
21:34:57
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,196.455 km
Perigee altitude
1,193.282 km
Semi-major axis
7,573.006 km
Eccentricity
0.00021
Inclination
87.9094°
RAAN
228.1348°
Arg. of periapsis
100.7969°
True anomaly
259.31621°
Mean anomaly
259.3398°
Eccentric anomaly
259.328°
Mean motion
3.29337 °/min
Orbital period
109.31 mins
BSTAR
-0.00034501
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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-0253 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. |
|---|---|---|---|---|---|---|---|
| 14 mins | 2026-06-22 15:28:55.766Z | 6.379° NNE | 2026-06-22 15:35:55.766Z | 85.184° E | 41.358° | 2026-06-22 15:42:55.766Z | 166.368° S |
| 9 mins | 2026-06-22 17:20:55.766Z | 323.257° NNW | 2026-06-22 17:24:55.766Z | 282.823° WNW | 21.488° | 2026-06-22 17:29:55.766Z | 237.234° WSW |
| 12 mins | 2026-06-23 03:45:55.766Z | 163.786° S | 2026-06-23 03:51:55.766Z | 74.467° E | 42.288° | 2026-06-23 03:57:55.766Z | 7.68° NNE |
| 9 mins | 2026-06-23 05:37:55.766Z | 246.985° WSW | 2026-06-23 05:41:55.766Z | 286.896° WNW | 20.16° | 2026-06-23 05:46:55.766Z | 331.553° NNW |
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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