ONEWEB-0273 (48991)

COSPAR: 2021-060AA | Alt Name: OneWeb SL0273

Image
ONEWEB-0273 Satellite Image
Additional Sources
Launch Details

Launch Date

July 1, 2021

Launch Site

VOSTO

Launch Pad

PU1S

Launch Vehicle

Soyuz-2-1B

Orbital Elements

NORAD ID

48991

International Designator

2021-060AA

Epoch

Sat, 04 Jul 2026 02:04:33 GMT

Apogee

Calculating...

Perigee

Calculating...

Inclination

87.91°

Right Ascension

225.43°

Eccentricity

Calculating...

Argument of Perigee

99.67°

Period

109.37 min

Mean Motion

13.17 rev/day

Latitude

Calculating...

Longitude

Calculating...

Altitude

Calculating...

Velocity

Calculating...

Polar Plot
3D Visualization
Basic Satellite Info

Name

ONEWEB-0273

Alternative Name

OneWeb SL0273

Type

Payload

Status

Operational

Owner

ONEWEBN

Country

United Kingdom

Constellation

N/A

Related Satellites

Major Events

N/A

Latest TLEs
1 48991U 21060AA  26185.08650055  .00000047  00000-0  88069-4 0  9997
2 48991  87.9081 225.4280 0002056  99.6734 260.4629 13.16593455241817

Source: Celestrak

Summary
The ONEWEB-0273 satellite, also known as OneWeb SL0273, is owned by ONEWBN and manufactured by ONEWUS in the UK. It was launched on July 1, 2021, from VOSTO using a Soyuz-2-1B launch vehicle from pad PU1S. This satellite is part of a communication mission with an expected lifetime of 7 years. The ARROW bus equipped satellite has dimensions of 1.3 meters in length and 1 meter in diameter with a span of 5 meters, featuring solar arrays and batteries for power supply. It weighs 140 kg dry mass and had a launch mass of 148 kg. Its primary payload is a Ku-Band system and it uses SPT-50 or BHT-350 Hall effect thrusters as its motor. The satellite's shape is described as Trapezoid+2 pan, without any additional information on its RCS, ADCS, color, transmitter frequencies, major events, material composition, constellation name, related satellites, or sources provided in the data.
Physical Characteristics

Length

1.3

Diameter

1

Span

5

Dry Mass

140

Launch Mass

148

Shape

Trapezoid+2 pan

Radar Cross Section

Unknown

Visual Magnitude

Unknown

Color

Unknown

Material Composition

Unknown

Technical Details

Payload

OneWeb L8-022

Purpose

Communication

Mission

Communication

Manufacturer

ONEWUS

Life Expectancy

+ 7 years

Bus

ARROW

Configuration

Arrow bus

Motor

SPT-50 or BHT-350 Hall effect thrusters

Equipment

Ku-Band payload

Power System

solar arrays, batteries

ADCS

Unknown

Transmitter Frequency

Unknown

Map
This tool will help you track the satellite's position and predict its upcoming passes over your location. Simply input the coordinates or click the geolocation button to get started.
Next Pass
Azimuth Elevation Time (Local)
Start Azimuth
Max Elevation
Stop Azimuth
Time Until
Pass Duration

Satellite Articles

View All Posts »

Learn more about satellites and other related topics.

Space Brief 24 Nov 2025

Space Brief 24 Nov 2025

Today's highlights include a record number of launches from Florida's Space Coast, Germany's new military space strategy, SpaceX's Starlink deployment, and more.

Space Brief 12 Nov 2025

Space Brief 12 Nov 2025

Today's brief covers China's ongoing assessments following a potential debris strike on Shenzhou-20, SpaceX's record-breaking Starlink launch, Rocket Lab's delay of the Neutron rocket, and more.

Space Brief 23 Sep 2025

Space Brief 23 Sep 2025

Explore the latest in satellite launches and space reconnaissance as Lockheed Martin, SpaceX, and military entities push forward with innovative missions. A new propulsion clean room marks growth in satellite tech.

Space Beyond Books SpaceX Rideshare for Memorial Cubesat Mission | KeepTrack X Report

Space Beyond Books SpaceX Rideshare for Memorial Cubesat Mission | KeepTrack X Report

Space Beyond secures SpaceX rideshare launch slot for October 2027 memorial cubesat mission. Starlink constellation at 11,009 total satellites launched with 9,551 currently on orbit.

Space Brief 13 May 2025

Space Brief 13 May 2025

China expands its classified satellite series, Space Force advances cloud-based ground station marketplaces, and the Pentagon grows its satellite network partner list. Highlighting new roles for sensor technology in tracking space debris.

X Report 15 Jul 2025

X Report 15 Jul 2025

Crew-11 launch preparations ramp up, Starship propellant production begins, and a global launch roundup highlights upcoming missions.

X Report 26 Aug 2025

X Report 26 Aug 2025

SpaceX's ongoing challenges with the Starship Flight 10 launch are prominent today, as weather and technical issues continue to push back the schedule. Meanwhile, successful cargo missions to the ISS highlight the company's ongoing commitment to space operations.

Starship V3 Flight 12 Succeeds Despite Engine Shutdown | KeepTrack X Report

Starship V3 Flight 12 Succeeds Despite Engine Shutdown | KeepTrack X Report

Starship V3 completed Flight 12 on May 22 despite one vacuum Raptor shutting down early, with SpaceX's IPO filing revealing bold Starlink Mobile ambitions.