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: 2 days ago
TLE from 2 days ago
0 ONEWEB-0377
1 49303U 21090AA 26171.34423972 -.00001905 00000-0 -47184-2 0 9995
2 49303 87.9197 273.8062 0002338 97.6370 262.5029 13.20783880230931Epoch: 2026-06-20T08:15Z
TLE epoch observation values (Epoch: 2026-06-20T08:15:42.311Z)
Latitude
-0.00003°
Longitude
-118.68031°
Altitude
1,184.862 km
Speed
7.261 km/s
True Right ascension
18h 15m 13s
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
00:50:27
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,180.598 km
Perigee altitude
1,177.065 km
Semi-major axis
7,556.968 km
Eccentricity
0.00023
Inclination
87.9197°
RAAN
273.8062°
Arg. of periapsis
97.637°
True anomaly
262.47634°
Mean anomaly
262.5029°
Eccentric anomaly
262.48962°
Mean motion
3.30386 °/min
Orbital period
108.96 mins
BSTAR
-0.0047184
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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. |
|---|---|---|---|---|---|---|---|
| 8 mins | 2026-06-22 17:14:54.166Z | 37.28° NE | 2026-06-22 17:18:54.166Z | 72.258° E | 15.768° | 2026-06-22 17:22:54.166Z | 107.686° ESE |
| 13 mins | 2026-06-22 19:02:54.166Z | 357.288° N | 2026-06-22 19:08:54.166Z | 277.898° WNW | 44.756° | 2026-06-22 19:15:54.166Z | 185.281° SSW |
| 7 mins | 2026-06-23 05:30:54.166Z | 101.944° ESE | 2026-06-23 05:33:54.166Z | 74.441° E | 16.335° | 2026-06-23 05:37:54.166Z | 38.649° NE |
| 12 mins | 2026-06-23 07:16:54.166Z | 184.629° SSW | 2026-06-23 07:21:54.166Z | 233.099° WSW | 44.361° | 2026-06-23 07:28:54.166Z | 358.11° N |
| 4 mins | 2026-06-23 09:10:54.166Z | 275.795° WNW | 2026-06-23 09:12:54.166Z | 293.104° NW | 12.077° | 2026-06-23 09:14:54.166Z | 309.921° NW |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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