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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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: 20 hours ago
TLE from 20 hours ago
0 ONEWEB-0281
1 48999U 21060AJ 25348.77370567 .00000022 00000-0 24848-4 0 9996
2 48999 87.9047 265.4911 0001752 77.6461 282.4866 13.16597329215369Epoch: 2025-12-14T18:34Z
TLE epoch observation values (Epoch: 2025-12-14T18:34:08.169Z)
Latitude
-0.00004°
Longitude
-96.72475°
Altitude
1,200.355 km
Speed
7.254 km/s
True Right ascension
17h 41m 57s
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
13:24:39
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,196.182 km
Perigee altitude
1,193.529 km
Semi-major axis
7,572.992 km
Eccentricity
0.00018
Inclination
87.9047°
RAAN
265.4911°
Arg. of periapsis
77.6461°
True anomaly
282.467°
Mean anomaly
282.4866°
Eccentric anomaly
282.4768°
Mean motion
3.29338 °/min
Orbital period
109.31 mins
BSTAR
0.000024848
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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. |
|---|---|---|---|---|---|---|---|
| 12 mins | 2025-12-15 18:23:05.142Z | 151.144° SSE | 2025-12-15 18:29:05.142Z | 82.322° E | 36.358° | 2025-12-15 18:35:05.142Z | 14.566° NNE |
| 10 mins | 2025-12-15 20:14:05.142Z | 230.232° WSW | 2025-12-15 20:19:05.142Z | 286.335° WNW | 26.601° | 2025-12-15 20:24:05.142Z | 335.969° NNW |
| 11 mins | 2025-12-16 05:51:05.142Z | 25.925° NE | 2025-12-16 05:56:05.142Z | 87.9° E | 30.363° | 2025-12-16 06:02:05.142Z | 145.386° SSE |
| 11 mins | 2025-12-16 07:40:05.142Z | 338.158° N | 2025-12-16 07:45:05.142Z | 279.614° WNW | 32.566° | 2025-12-16 07:51:05.142Z | 215.461° SW |
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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