ONEWEB-0273, 48991
Orbit data source: Space-Track
ONEWEB-0273, 48991 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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48991 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, Medium (>0.1 m² and < 1m²)
Expand to show TLE details & historyLast TLE update: 10 hours ago
TLE from 10 hours ago
0 ONEWEB-0273
1 48991U 21060AA 25349.75850284 .00000061 00000-0 12468-3 0 9993
2 48991 87.9045 265.3065 0001752 68.0410 292.0907 13.16596608215458Epoch: 2025-12-15T18:12Z
TLE epoch observation values (Epoch: 2025-12-15T18:12:14.645Z)
Latitude
-0.00002°
Longitude
-92.40699°
Altitude
1,200.145 km
Speed
7.254 km/s
True Right ascension
17h 41m 13s
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
03:12:45
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,196.185 km
Perigee altitude
1,193.531 km
Semi-major axis
7,572.995 km
Eccentricity
0.00018
Inclination
87.9045°
RAAN
265.3065°
Arg. of periapsis
68.041°
True anomaly
292.0721°
Mean anomaly
292.0907°
Eccentric anomaly
292.0814°
Mean motion
3.29338 °/min
Orbital period
109.31 mins
BSTAR
0.00012468
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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-0273 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 05:44:54.954Z | 18.686° NNE | 2025-12-16 05:50:54.954Z | 77.53° E | 28.862° | 2025-12-16 05:56:54.954Z | 140.236° SSE |
| 12 mins | 2025-12-16 07:34:54.954Z | 342.441° N | 2025-12-16 07:40:54.954Z | 271.819° WNW | 34.083° | 2025-12-16 07:46:54.954Z | 211.532° SW |
| 10 mins | 2025-12-16 18:02:54.954Z | 132.838° SE | 2025-12-16 18:06:54.954Z | 86.915° E | 30.175° | 2025-12-16 18:12:54.954Z | 20.912° NNE |
| 11 mins | 2025-12-16 19:51:54.954Z | 218.868° SW | 2025-12-16 19:56:54.954Z | 283.141° WNW | 32.653° | 2025-12-16 20:02:54.954Z | 344.321° 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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