ONEWEB-0657, 55818
Orbit data source: Space-Track
ONEWEB-0657, 55818 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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55818 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-0657
1 55818U 23029Y 26171.40892909 .00000073 00000-0 14938-3 0 9999
2 55818 87.9173 304.3322 0002575 100.7144 259.4278 13.19724782159339Epoch: 2026-06-20T09:48Z
TLE epoch observation values (Epoch: 2026-06-20T09:48:51.473Z)
Latitude
-0.00009°
Longitude
-111.50625°
Altitude
1,189.031 km
Speed
7.259 km/s
True Right ascension
20h 17m 19s
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
21:36:52
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,184.824 km
Perigee altitude
1,180.93 km
Semi-major axis
7,561.014 km
Eccentricity
0.00026
Inclination
87.9173°
RAAN
304.3322°
Arg. of periapsis
100.7144°
True anomaly
259.3988°
Mean anomaly
259.4278°
Eccentric anomaly
259.4133°
Mean motion
3.30121 °/min
Orbital period
109.05 mins
BSTAR
0.00014938
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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-0657 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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2026-06-22 11:06:50.457Z | 262.629° W | 2026-06-22 11:09:50.457Z | 289.516° WNW | 14.529° | 2026-06-22 11:12:50.457Z | 315.837° NNW |
| 13 mins | 2026-06-22 20:38:50.457Z | 6.693° NNE | 2026-06-22 20:44:50.457Z | 84.452° E | 42.584° | 2026-06-22 20:51:50.457Z | 169.449° S |
| 8 mins | 2026-06-22 22:29:50.457Z | 320.277° NNW | 2026-06-22 22:33:50.457Z | 280.099° WNW | 19.712° | 2026-06-22 22:37:50.457Z | 243.649° WSW |
| 13 mins | 2026-06-23 08:52:50.457Z | 166.598° S | 2026-06-23 08:58:50.457Z | 86.861° E | 43.114° | 2026-06-23 09:05:50.457Z | 5.657° NNE |
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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