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
21:41:08
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 17:15:05.372Z | 38.609° NE | 2026-06-22 17:19:05.372Z | 74.097° E | 15.767° | 2026-06-22 17:23:05.372Z | 109.009° ESE |
| 13 mins | 2026-06-22 19:03:05.372Z | 357.215° N | 2026-06-22 19:09:05.372Z | 248.874° W | 44.717° | 2026-06-22 19:16:05.372Z | 185.221° SSW |
| 4 mins | 2026-06-22 20:55:05.372Z | 305.202° NW | 2026-06-22 20:57:05.372Z | 287.734° WNW | 12.644° | 2026-06-22 20:59:05.372Z | 270.584° WNW |
| 7 mins | 2026-06-23 05:31:05.372Z | 100.468° ESE | 2026-06-23 05:34:05.372Z | 72.566° E | 16.347° | 2026-06-23 05:38:05.372Z | 37.35° NE |
| 13 mins | 2026-06-23 07:16:05.372Z | 183.865° SSW | 2026-06-23 07:22:05.372Z | 250.807° W | 44.543° | 2026-06-23 07:29:05.372Z | 358.263° N |
| 4 mins | 2026-06-23 09:11:05.372Z | 277.365° WNW | 2026-06-23 09:12:05.372Z | 285.984° WNW | 12.076° | 2026-06-23 09:15:05.372Z | 311.387° 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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