ONEWEB-0281, 48999
Orbit data source: Space-Track
ONEWEB-0281, 48999 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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48999 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-0281
1 48999U 21060AJ 26171.41021751 -.00000038 00000-0 -13319-3 0 9999
2 48999 87.9097 228.1318 0002126 97.1724 262.9648 13.16595259240051Epoch: 2026-06-20T09:50Z
TLE epoch observation values (Epoch: 2026-06-20T09:50:42.792Z)
Latitude
-0.00011°
Longitude
171.82825°
Altitude
1,200.847 km
Speed
7.253 km/s
True Right ascension
15h 12m 31s
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
21:57:17
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,196.473 km
Perigee altitude
1,193.253 km
Semi-major axis
7,573 km
Eccentricity
0.00021
Inclination
87.9097°
RAAN
228.1318°
Arg. of periapsis
97.1724°
True anomaly
262.94062°
Mean anomaly
262.9648°
Eccentric anomaly
262.95271°
Mean motion
3.29338 °/min
Orbital period
109.31 mins
BSTAR
-0.00013319
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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-0281 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. |
|---|---|---|---|---|---|---|---|
| 13 mins | 2026-06-22 15:20:11.728Z | 9.934° NNE | 2026-06-22 15:27:11.728Z | 96.511° ESE | 38.448° | 2026-06-22 15:33:11.728Z | 159.473° S |
| 10 mins | 2026-06-22 17:11:11.728Z | 329.793° NNW | 2026-06-22 17:16:11.728Z | 277.557° WNW | 24.308° | 2026-06-22 17:21:11.728Z | 231.164° WSW |
| 12 mins | 2026-06-23 03:37:11.728Z | 156.536° SSE | 2026-06-23 03:42:11.728Z | 97.442° ESE | 39.7° | 2026-06-23 03:49:11.728Z | 9.834° NNE |
| 9 mins | 2026-06-23 05:28:11.728Z | 238.907° WSW | 2026-06-23 05:32:11.728Z | 279.661° WNW | 23.005° | 2026-06-23 05:37:11.728Z | 329.997° 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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