ONEWEB-0377, 49303
Orbit data source: Space-Track
ONEWEB-0377, 49303 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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49303 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: 11 hours ago
TLE from 11 hours ago
0 ONEWEB-0377
1 49303U 21090AA 26092.25331912 .00000118 00000-0 25852-3 0 9991
2 49303 87.9140 289.5961 0001554 83.8905 276.2406 13.20771562220496Epoch: 2026-04-02T06:04Z
TLE epoch observation values (Epoch: 2026-04-02T06:04:46.771Z)
Latitude
0.00002°
Longitude
7.79677°
Altitude
1,184.55 km
Speed
7.261 km/s
True Right ascension
19h 18m 23s
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
23:11:29
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,180.053 km
Perigee altitude
1,177.704 km
Semi-major axis
7,557.016 km
Eccentricity
0.00016
Inclination
87.914°
RAAN
289.5961°
Arg. of periapsis
83.8905°
True anomaly
276.2229°
Mean anomaly
276.2406°
Eccentric anomaly
276.23175°
Mean motion
3.30383 °/min
Orbital period
108.96 mins
BSTAR
0.00025852
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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-0377 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 | 2026-04-03 00:51:40.397Z | 8.628° NNE | 2026-04-03 00:57:40.397Z | 73.742° E | 40.325° | 2026-04-03 01:04:40.397Z | 164.092° S |
| 9 mins | 2026-04-03 02:42:40.397Z | 324.012° NNW | 2026-04-03 02:46:40.397Z | 282.582° WNW | 22.221° | 2026-04-03 02:51:40.397Z | 235.783° WSW |
| 12 mins | 2026-04-03 13:05:40.397Z | 160.424° S | 2026-04-03 13:11:40.397Z | 76.614° E | 40.943° | 2026-04-03 13:17:40.397Z | 9.318° NNE |
| 9 mins | 2026-04-03 14:56:40.397Z | 240.036° WSW | 2026-04-03 15:00:40.397Z | 279.237° WNW | 21.541° | 2026-04-03 15:05:40.397Z | 328.821° NNW |
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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