ONEWEB-0187, 48221
Orbit data source: Space-Track
ONEWEB-0187, 48221 is a payload satellite owned by One Web (NAA) (UK) in LEO that was launched on Sun, 25 Apr 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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48221 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: 1 day ago
TLE from 1 day ago
0 ONEWEB-0187
1 48221U 21031M 25305.52957169 .00000218 00000-0 55298-3 0 9996
2 48221 87.9004 335.0871 0001962 86.9714 273.1640 13.14505195218353Epoch: 2025-11-01T12:42Z
TLE epoch observation values (Epoch: 2025-11-01T12:42:34.994Z)
Latitude
-0.00002°
Longitude
103.38295°
Altitude
1,208.593 km
Speed
7.25 km/s
True Right ascension
22h 20m 20s
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
09:16:19
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,204.382 km
Perigee altitude
1,201.407 km
Semi-major axis
7,581.032 km
Eccentricity
0.0002
Inclination
87.9004°
RAAN
335.0871°
Arg. of periapsis
86.9714°
True anomaly
273.14155°
Mean anomaly
273.164°
Eccentric anomaly
273.15278°
Mean motion
3.28814 °/min
Orbital period
109.48 mins
BSTAR
0.00055298
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Other satellites on launch #31 in the year 2021 (2021-04-25 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-0187 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 | 2025-11-02 14:53:29.713Z | 347.331° N | 2025-11-02 14:59:29.713Z | 278.794° WNW | 38.323° | 2025-11-02 15:06:29.713Z | 202.867° SW |
| 10 mins | 2025-11-03 01:22:29.713Z | 128.965° SE | 2025-11-03 01:27:29.713Z | 75.859° E | 26.6° | 2025-11-03 01:32:29.713Z | 25.671° NE |
| 12 mins | 2025-11-03 03:11:29.713Z | 209.401° SW | 2025-11-03 03:16:29.713Z | 272.958° WNW | 36.589° | 2025-11-03 03:23:29.713Z | 349.108° N |
| 9 mins | 2025-11-03 12:50:29.713Z | 36.539° NE | 2025-11-03 12:54:29.713Z | 76.959° E | 21.516° | 2025-11-03 12:59:29.713Z | 123.705° SE |
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 ascending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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