ONEWEB-0544, 55144
Orbit data source: Space-Track
ONEWEB-0544, 55144 is a payload satellite owned by One Web (NAA) (UK) in LEO that was launched on Tue, 10 Jan 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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55144 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-0544
1 55144U 23004E 26171.41981973 .00000038 00000-0 64789-4 0 9996
2 55144 87.9162 334.8257 0001788 100.0732 260.0602 13.18685759170123Epoch: 2026-06-20T10:04Z
TLE epoch observation values (Epoch: 2026-06-20T10:04:32.424Z)
Latitude
-0.00002°
Longitude
-84.94411°
Altitude
1,192.878 km
Speed
7.257 km/s
True Right ascension
22h 19m 18s
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
21:31:30
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,188.204 km
Perigee altitude
1,185.499 km
Semi-major axis
7,564.988 km
Eccentricity
0.00018
Inclination
87.9162°
RAAN
334.8257°
Arg. of periapsis
100.0732°
True anomaly
260.04002°
Mean anomaly
260.0602°
Eccentric anomaly
260.05011°
Mean motion
3.29861 °/min
Orbital period
109.14 mins
BSTAR
0.000064789
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Other satellites on launch #4 in the year 2023 (2023-01-10 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-0544 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 | 2026-06-22 11:20:29.275Z | 181.381° SSW | 2026-06-22 11:26:29.275Z | 228.446° WSW | 44.791° | 2026-06-22 11:33:29.275Z | 359.324° N |
| 4 mins | 2026-06-22 13:15:29.275Z | 275.046° WNW | 2026-06-22 13:17:29.275Z | 292.804° NW | 13.063° | 2026-06-22 13:19:29.275Z | 309.986° NW |
| 13 mins | 2026-06-22 22:46:29.275Z | 4.359° NNE | 2026-06-22 22:52:29.275Z | 77.053° E | 43.784° | 2026-06-22 22:59:29.275Z | 173.092° S |
| 8 mins | 2026-06-23 00:37:29.275Z | 320.174° NNW | 2026-06-23 00:41:29.275Z | 282.238° WNW | 17.976° | 2026-06-23 00:45:29.275Z | 246.998° WSW |
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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