ONEWEB-0639, 55803
Orbit data source: Space-Track
ONEWEB-0639, 55803 is a payload satellite owned by One Web (NAA) (UK) in LEO that was launched on Thu, 09 Mar 2023 UTC via an FALCON 9 launch vehicle from the Air Force Eastern Test Range (AFETR). 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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55803 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, Medium (>0.1 m² and < 1m²)
Expand to show TLE details & historyLast TLE update: 19 hours ago
TLE from 19 hours ago
0 ONEWEB-0639
1 55803U 23029H 26112.00330461 .00000054 00000-0 10326-3 0 9990
2 55803 87.9157 316.1817 0002468 67.8241 292.3153 13.19723635151490Epoch: 2026-04-22T00:04Z
TLE epoch observation values (Epoch: 2026-04-22T00:04:45.518Z)
Latitude
-0.00006°
Longitude
104.92107°
Altitude
1,187.969 km
Speed
7.26 km/s
True Right ascension
21h 04m 43s
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
02:26:17
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,184.748 km
Perigee altitude
1,181.015 km
Semi-major axis
7,561.019 km
Eccentricity
0.00025
Inclination
87.9157°
RAAN
316.1817°
Arg. of periapsis
67.8241°
True anomaly
292.28913°
Mean anomaly
292.3153°
Eccentric anomaly
292.30222°
Mean motion
3.30121 °/min
Orbital period
109.05 mins
BSTAR
0.00010326
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Other satellites on launch #29 in the year 2023 (2023-03-09 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-0639 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. |
|---|---|---|---|---|---|---|---|
| 9 mins | 2026-04-23 00:21:18.973Z | 32.316° NE | 2026-04-23 00:26:18.973Z | 81.192° E | 20.609° | 2026-04-23 00:30:18.973Z | 119.053° SE |
| 12 mins | 2026-04-23 02:10:18.973Z | 349.674° N | 2026-04-23 02:15:18.973Z | 286.045° WNW | 41.725° | 2026-04-23 02:22:18.973Z | 195.788° SSW |
| 8 mins | 2026-04-23 12:37:18.973Z | 113.416° SE | 2026-04-23 12:41:18.973Z | 71.824° E | 21.427° | 2026-04-23 12:45:18.973Z | 33.374° NE |
| 12 mins | 2026-04-23 14:24:18.973Z | 197.869° SSW | 2026-04-23 14:29:18.973Z | 263.454° W | 41.108° | 2026-04-23 14:36:18.973Z | 352.971° 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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