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: 1 day ago
TLE from 1 day ago
0 ONEWEB-0657
1 55818U 23029Y 26111.28620121 -.00000004 00000-0 -42889-4 0 9997
2 55818 87.9158 316.3236 0001091 87.8372 272.2885 13.19723717151403Epoch: 2026-04-21T06:52Z
TLE epoch observation values (Epoch: 2026-04-21T06:52:07.784Z)
Latitude
-0.00009°
Longitude
3.927°
Altitude
1,188.644 km
Speed
7.259 km/s
True Right ascension
21h 05m 17s
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
01:03:48
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,183.706 km
Perigee altitude
1,182.056 km
Semi-major axis
7,561.018 km
Eccentricity
0.00011
Inclination
87.9158°
RAAN
316.3236°
Arg. of periapsis
87.8372°
True anomaly
272.27601°
Mean anomaly
272.2885°
Eccentric anomaly
272.28225°
Mean motion
3.30121 °/min
Orbital period
109.05 mins
BSTAR
-0.000042889
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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. |
|---|---|---|---|---|---|---|---|
| 13 mins | 2026-04-23 01:19:03.274Z | 8.144° NNE | 2026-04-23 01:26:03.274Z | 103.112° ESE | 40.284° | 2026-04-23 01:32:03.274Z | 163.929° S |
| 9 mins | 2026-04-23 03:10:03.274Z | 325.666° NNW | 2026-04-23 03:14:03.274Z | 285.644° WNW | 22.148° | 2026-04-23 03:19:03.274Z | 237.461° WSW |
| 12 mins | 2026-04-23 13:34:03.274Z | 160.407° S | 2026-04-23 13:40:03.274Z | 66.74° ENE | 40.921° | 2026-04-23 13:46:03.274Z | 8.547° NNE |
| 9 mins | 2026-04-23 15:25:03.274Z | 241.678° WSW | 2026-04-23 15:29:03.274Z | 281.309° WNW | 21.333° | 2026-04-23 15:34:03.274Z | 329.651° 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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