ONEWEB-0556, 55798
Orbit data source: Space-Track
ONEWEB-0556, 55798 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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55798 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-0556
1 55798U 23029C 26171.34241161 -.00000020 00000-0 -81544-4 0 9999
2 55798 87.9186 273.8399 0001473 76.9891 283.1406 13.20773423161566Epoch: 2026-06-20T08:13Z
TLE epoch observation values (Epoch: 2026-06-20T08:13:04.363Z)
Latitude
-0.00007°
Longitude
-117.98669°
Altitude
1,184.417 km
Speed
7.261 km/s
True Right ascension
18h 15m 21s
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
00:50:33
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,179.985 km
Perigee altitude
1,177.758 km
Semi-major axis
7,557.008 km
Eccentricity
0.00015
Inclination
87.9186°
RAAN
273.8399°
Arg. of periapsis
76.9891°
True anomaly
283.12416°
Mean anomaly
283.1406°
Eccentric anomaly
283.13238°
Mean motion
3.30383 °/min
Orbital period
108.96 mins
BSTAR
-0.000081544
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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-0556 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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2026-06-22 17:13:00.017Z | 43.017° NE | 2026-06-22 17:16:00.017Z | 69.481° E | 14.998° | 2026-06-22 17:20:00.017Z | 104.795° ESE |
| 12 mins | 2026-06-22 19:01:00.017Z | 358.189° N | 2026-06-22 19:06:00.017Z | 330.995° NNW | 44.714° | 2026-06-22 19:13:00.017Z | 183.642° SSW |
| 4 mins | 2026-06-22 20:53:00.017Z | 300.996° NW | 2026-06-22 20:54:00.017Z | 292.04° WNW | 13.338° | 2026-06-22 20:57:00.017Z | 265.96° W |
| 6 mins | 2026-06-23 05:29:00.017Z | 95.51° ESE | 2026-06-23 05:32:00.017Z | 67.414° ENE | 15.493° | 2026-06-23 05:35:00.017Z | 41.225° NE |
| 12 mins | 2026-06-23 07:14:00.017Z | 182.329° SSW | 2026-06-23 07:20:00.017Z | 320.903° NNW | 44.575° | 2026-06-23 07:26:00.017Z | 358.803° N |
| 4 mins | 2026-06-23 09:08:00.017Z | 273.06° WNW | 2026-06-23 09:10:00.017Z | 290.631° WNW | 12.813° | 2026-06-23 09:12:00.017Z | 307.966° NW |
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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