ONEWEB-0373, 49299
Orbit data source: Space-Track
ONEWEB-0373, 49299 is a payload satellite owned by One Web (NAA) (UK) in LEO that was launched on Thu, 14 Oct 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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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-0373
1 49299U 21090W 26092.05272309 .00000072 00000-0 14399-3 0 9990
2 49299 87.9138 289.6453 0001585 88.9864 271.1451 13.20772669220974Epoch: 2026-04-02T01:15Z
TLE epoch observation values (Epoch: 2026-04-02T01:15:55.274Z)
Latitude
-0.00004°
Longitude
80.25825°
Altitude
1,184.649 km
Speed
7.261 km/s
True Right ascension
19h 18m 34s
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
02:58:58
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,180.072 km
Perigee altitude
1,177.677 km
Semi-major axis
7,557.011 km
Eccentricity
0.00016
Inclination
87.9138°
RAAN
289.6453°
Arg. of periapsis
88.9864°
True anomaly
271.12694°
Mean anomaly
271.1451°
Eccentric anomaly
271.13602°
Mean motion
3.30383 °/min
Orbital period
108.96 mins
BSTAR
0.00014399
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Other satellites on launch #90 in the year 2021 (2021-10-14 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-0373 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. |
|---|---|---|---|---|---|---|---|
| 8 mins | 2026-04-02 23:42:31.992Z | 37.027° NE | 2026-04-02 23:46:31.992Z | 73.22° E | 17.105° | 2026-04-02 23:50:31.992Z | 109.846° ESE |
| 13 mins | 2026-04-03 01:30:31.992Z | 355.457° N | 2026-04-03 01:36:31.992Z | 266.226° W | 44.235° | 2026-04-03 01:43:31.992Z | 188.105° SSW |
| 7 mins | 2026-04-03 11:58:31.992Z | 102.387° ESE | 2026-04-03 12:01:31.992Z | 73.429° E | 17.683° | 2026-04-03 12:05:31.992Z | 37.005° NE |
| 12 mins | 2026-04-03 13:44:31.992Z | 188.37° SSW | 2026-04-03 13:49:31.992Z | 252.111° W | 43.861° | 2026-04-03 13:56:31.992Z | 356.749° 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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