ONEWEB-0187, 48221

Orbit data source: Space-Track

ONEWEB-0187, 48221 is a payload satellite owned by One Web (NAA) (UK) in LEO that was launched on Sun, 25 Apr 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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https://www.satcat.com/sats-embedded/48221?theme=dark&initialShowStats=false

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Identifier

48221, 2021-031M

Orbit

LEO

Country

Related business

Eutelsat Communications (FR)

Manufacturer

One Web

Mission

Operational Commercial Communications

Bus & Motor

ARROW, Unknown motor

Mass

148 kg wet, ~140 kg dry

Launch date (UTC)

2021-04-25 (5 years ago)

Launch vehicle

SOYUZ-2-1B

Launch site

Vostochny Cosmodrome (VOSTO)

Object type

Payload

Rocket body

Debris

Shape & HBR

Trap Box + 2 Pan, 6.7 m

Radar Cross Section

3.464 m², Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 15 hours ago

TLE from 15 hours ago

0 ONEWEB-0187
1 48221U 21031M   26094.51585024 -.00000018  00000-0 -82140-4 0  9995
2 48221  87.8929 304.4266 0001604  79.1725 280.9585 13.14504723238582

Epoch: 2026-04-04T12:22Z

TLE epoch observation values (Epoch: 2026-04-04T12:22:49.460Z)

Latitude

-0.00005°

Longitude

-74.114°

Altitude

1,208.446 km

Speed

7.25 km/s

True Right ascension

20h 17m 42s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

Unknown

Longitude

Unknown

Altitude

Unknown

Speed

Unknown

Apparent Right ascension

Unknown

Apparent Declination

Unknown

Sunlit

N/A

Visualization observer readout

Local Sidereal Time

09:24:50

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,204.113 km

Perigee altitude

1,201.681 km

Semi-major axis

7,581.034 km

Eccentricity

0.00016

Inclination

87.8929°

RAAN

304.4266°

Arg. of periapsis

79.1725°

True anomaly

280.94045°

Mean anomaly

280.9585°

Eccentric anomaly

280.94948°

Mean motion

3.28814 °/min

Orbital period

109.48 mins

BSTAR

-0.00008214

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Other satellites on launch #31 in the year 2021 (2021-04-25 UTC)

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ONEWEB-0187 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.
10 mins	2026-04-05 03:36:28.998Z	331.474° NNW	2026-04-05 03:41:28.998Z	286.414° WNW	21.415°	2026-04-05 03:46:28.998Z	239.341° WSW
13 mins	2026-04-05 14:03:28.998Z	165.355° S	2026-04-05 14:09:28.998Z	88.478° E	42.761°	2026-04-05 14:16:28.998Z	6.284° NNE
8 mins	2026-04-05 15:56:28.998Z	251.82° W	2026-04-05 15:59:28.998Z	281.623° WNW	19.763°	2026-04-05 16:04:28.998Z	328.17° NNW
13 mins	2026-04-06 01:31:28.998Z	11.826° NNE	2026-04-06 01:37:28.998Z	83.635° E	38.479°	2026-04-06 01:44:28.998Z	160.419° S
9 mins	2026-04-06 03:22:28.998Z	327.424° NNW	2026-04-06 03:26:28.998Z	285.812° WNW	24.703°	2026-04-06 03:31:28.998Z	234.507° WSW

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Co-orbital & Co-planar RSOs

Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions

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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings

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Check out ONEWEB-0187, 48221 on other resources

View ONEWEB-0187, 48221 on NASA - NSSDCA Website

View ONEWEB-0187, 48221 on Heavens-Above

View ONEWEB-0187, 48221 on Keep Track

View ONEWEB-0187, 48221 on Celestrak

View ONEWEB-0187, 48221 on Gunter's Space Page

Satcat and Kayhan Space are not affiliated with NASA, Celestrak, Heavens-Above, Keep Track, or Gunter's Space Page.

ONEWEB-0187, 48221

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 15 hours ago

TLE from 15 hours ago

TLE epoch observation values (Epoch: 2026-04-04T12:22:49.460Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #31 in the year 2021 (2021-04-25 UTC)

ONEWEB-0187 Visibility forecast

Co-orbital & Co-planar RSOs

Check out ONEWEB-0187, 48221 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 15 hours ago