ONEWEB-0273, 48991
Orbit data source: Space-Track
ONEWEB-0273, 48991 is a payload satellite owned by One Web (NAA) (UK) in LEO that was launched on Thu, 01 Jul 2021 UTC via a SOYUZ-2-1B launch vehicle from the Vostochny Cosmodrome (VOSTO). 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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48991 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-0273
1 48991U 21060AA 26171.40705068 .00000045 00000-0 84006-4 0 9998
2 48991 87.9098 228.1451 0002011 100.6200 259.5157 13.16595411240017Epoch: 2026-06-20T09:46Z
TLE epoch observation values (Epoch: 2026-06-20T09:46:09.178Z)
Latitude
-0.00008°
Longitude
172.98474°
Altitude
1,200.927 km
Speed
7.253 km/s
True Right ascension
15h 12m 34s
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
21:54:28
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,196.386 km
Perigee altitude
1,193.34 km
Semi-major axis
7,573 km
Eccentricity
0.0002
Inclination
87.9098°
RAAN
228.1451°
Arg. of periapsis
100.62°
True anomaly
259.49304°
Mean anomaly
259.5157°
Eccentric anomaly
259.50437°
Mean motion
3.29338 °/min
Orbital period
109.31 mins
BSTAR
0.000084006
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Other satellites on launch #60 in the year 2021 (2021-07-01 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-0273 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 15:15:23.098Z | 10.55° NNE | 2026-06-22 15:22:23.098Z | 88.777° E | 37.113° | 2026-06-22 15:28:23.098Z | 155.907° SSE |
| 10 mins | 2026-06-22 17:06:23.098Z | 332.596° NNW | 2026-06-22 17:11:23.098Z | 280.782° WNW | 25.941° | 2026-06-22 17:16:23.098Z | 230.42° WSW |
| 12 mins | 2026-06-23 03:32:23.098Z | 154.269° SSE | 2026-06-23 03:38:23.098Z | 74.64° E | 38.358° | 2026-06-23 03:44:23.098Z | 11.797° NNE |
| 10 mins | 2026-06-23 05:23:23.098Z | 235.103° WSW | 2026-06-23 05:27:23.098Z | 276.178° WNW | 24.428° | 2026-06-23 05:33:23.098Z | 335.689° 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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