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.
Focus sentinelFocus sentinel
Request partner network tasking
Focus sentinelFocus sentinel
Embed this page
Focus sentinelFocus sentinel
55798 intel report (Beta)
Focus sentinelFocus sentinel
Edit Public Description
Focus sentinelFocus sentinel
Create New Watchlist
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: 18 hours ago
TLE from 18 hours ago
0 ONEWEB-0556
1 55798U 23029C 26111.94837002 .00000019 00000-0 14808-4 0 9999
2 55798 87.9126 285.6993 0002563 104.1610 255.9808 13.20770833153729Epoch: 2026-04-21T22:45Z
TLE epoch observation values (Epoch: 2026-04-21T22:45:39.169Z)
Latitude
-0.00006°
Longitude
94.26927°
Altitude
1,185.15 km
Speed
7.261 km/s
True Right ascension
19h 02m 47s
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
23:33:39
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,180.818 km
Perigee altitude
1,176.944 km
Semi-major axis
7,557.018 km
Eccentricity
0.00026
Inclination
87.9126°
RAAN
285.6993°
Arg. of periapsis
104.161°
True anomaly
255.95231°
Mean anomaly
255.9808°
Eccentric anomaly
255.96655°
Mean motion
3.30383 °/min
Orbital period
108.96 mins
BSTAR
0.000014808
Loading maneuver chart data...
Computing Atmospheric mass density...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Other satellites on launch #29 in the year 2023 (2023-03-09 UTC)
Did you know?
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
Loading observer location...
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. |
|---|---|---|---|---|---|---|---|
| 12 mins | 2026-04-22 23:00:08.306Z | 15.306° NNE | 2026-04-22 23:06:08.306Z | 84.771° E | 34.741° | 2026-04-22 23:12:08.306Z | 151.565° SSE |
| 10 mins | 2026-04-23 00:50:08.306Z | 333.565° NNW | 2026-04-23 00:55:08.306Z | 277.688° WNW | 28.013° | 2026-04-23 01:00:08.306Z | 225.894° WSW |
| 12 mins | 2026-04-23 11:14:08.306Z | 148.231° SSE | 2026-04-23 11:20:08.306Z | 72.497° E | 35.164° | 2026-04-23 11:26:08.306Z | 13.854° NNE |
| 11 mins | 2026-04-23 13:04:08.306Z | 227.378° WSW | 2026-04-23 13:09:08.306Z | 283.294° WNW | 27.37° | 2026-04-23 13:15:08.306Z | 340.752° 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 |
|---|
CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
Authenticating...
Click to sort rows by Secondary header in ascending order | Click to sort rows by Secondary name header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Owner header in ascending order | Click to sort rows by Obj. Type header in ascending order | Click to sort rows by Miss dist. header in ascending order | Click to sort rows by Rel. speed header in ascending order | Click to sort rows by Apr. angle header in ascending order | Click to sort rows by TCA header in descending order |
|---|