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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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-0187
1 48221U 21031M 26171.31870014 .00000290 00000-0 74702-3 0 9999
2 48221 87.8962 289.0895 0002119 103.5073 256.6293 13.14501633248679Epoch: 2026-06-20T07:38Z
TLE epoch observation values (Epoch: 2026-06-20T07:38:55.692Z)
Latitude
0.00001°
Longitude
-94.17759°
Altitude
1,209.061 km
Speed
7.249 km/s
True Right ascension
19h 16m 21s
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
23:19:41
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,204.515 km
Perigee altitude
1,201.302 km
Semi-major axis
7,581.045 km
Eccentricity
0.00021
Inclination
87.8962°
RAAN
289.0895°
Arg. of periapsis
103.5073°
True anomaly
256.60568°
Mean anomaly
256.6293°
Eccentric anomaly
256.61749°
Mean motion
3.28813 °/min
Orbital period
109.48 mins
BSTAR
0.00074702
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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. |
|---|---|---|---|---|---|---|---|
| 11 mins | 2026-06-22 18:43:22.627Z | 26.305° NE | 2026-06-22 18:48:22.627Z | 75.264° E | 24.709° | 2026-06-22 18:54:22.627Z | 133.093° SE |
| 12 mins | 2026-06-22 20:33:22.627Z | 344.375° N | 2026-06-22 20:38:22.627Z | 280.234° WNW | 38.4° | 2026-06-22 20:45:22.627Z | 202.806° SW |
| 10 mins | 2026-06-23 07:01:22.627Z | 129.12° SE | 2026-06-23 07:06:22.627Z | 76.622° E | 26.504° | 2026-06-23 07:11:22.627Z | 26.054° NE |
| 12 mins | 2026-06-23 08:50:22.627Z | 208.954° SW | 2026-06-23 08:55:22.627Z | 271.642° WNW | 36.682° | 2026-06-23 09:02:22.627Z | 349.044° 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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