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: 2 days ago
TLE from 2 days ago
0 ONEWEB-0373
1 49299U 21090W 26171.29360314 .00000060 00000-0 11631-3 0 9991
2 49299 87.9195 273.8230 0002086 99.6854 260.4515 13.20771906231438Epoch: 2026-06-20T07:02Z
TLE epoch observation values (Epoch: 2026-06-20T07:02:47.311Z)
Latitude
-0.00001°
Longitude
-100.38443°
Altitude
1,184.938 km
Speed
7.261 km/s
True Right ascension
18h 15m 17s
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
21:36:21
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,180.454 km
Perigee altitude
1,177.301 km
Semi-major axis
7,557.014 km
Eccentricity
0.00021
Inclination
87.9195°
RAAN
273.823°
Arg. of periapsis
99.6854°
True anomaly
260.42793°
Mean anomaly
260.4515°
Eccentric anomaly
260.43971°
Mean motion
3.30383 °/min
Orbital period
108.96 mins
BSTAR
0.00011631
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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. |
|---|---|---|---|---|---|---|---|
| 11 mins | 2026-06-22 17:50:19.513Z | 23.589° NE | 2026-06-22 17:55:19.513Z | 73.796° E | 26.917° | 2026-06-22 18:01:19.513Z | 136.638° SSE |
| 12 mins | 2026-06-22 19:39:19.513Z | 343.847° N | 2026-06-22 19:45:19.513Z | 269.174° W | 35.613° | 2026-06-22 19:51:19.513Z | 208.373° SW |
| 10 mins | 2026-06-23 06:05:19.513Z | 128.847° SE | 2026-06-23 06:09:19.513Z | 85.247° E | 27.559° | 2026-06-23 06:15:19.513Z | 22.478° NNE |
| 12 mins | 2026-06-23 07:53:19.513Z | 211.148° SW | 2026-06-23 07:58:19.513Z | 270.808° WNW | 35.039° | 2026-06-23 08:05:19.513Z | 347.866° 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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