ONEWEB-0101 (48049)

COSPAR: 2021-025H | Alt Name: OneWeb SL0101

Image
ONEWEB-0101 Satellite Image
Additional Sources
Launch Details

Launch Date

March 25, 2021

Launch Site

VOSTO

Launch Pad

PU1S

Launch Vehicle

Soyuz-2-1B

Orbital Elements

NORAD ID

48049

International Designator

2021-025H

Epoch

Sat, 04 Jul 2026 03:08:52 GMT

Apogee

Calculating...

Perigee

Calculating...

Inclination

87.90°

Right Ascension

316.85°

Eccentricity

Calculating...

Argument of Perigee

103.14°

Period

109.63 min

Mean Motion

13.13 rev/day

Latitude

Calculating...

Longitude

Calculating...

Altitude

Calculating...

Velocity

Calculating...

Polar Plot
3D Visualization
Basic Satellite Info

Name

ONEWEB-0101

Alternative Name

OneWeb SL0101

Type

Payload

Status

Operational

Owner

ONEWEBN

Country

United Kingdom

Constellation

N/A

Related Satellites

Major Events

N/A

Latest TLEs
1 48049U 21025H   26185.13116365  .00000326  00000-0  85717-3 0  9995
2 48049  87.8968 316.8530 0001968 103.1373 256.9976 13.13469747255721

Source: Celestrak

Summary
The ONEWEB-0101 satellite, also known as OneWeb SL0101, is a communication satellite manufactured by ONEWUS and owned by ONEWBN. Launched on March 25, 2021, from the Vostochny Cosmodrome using a Soyuz-2-1B launch vehicle, it operates with an arrow bus configuration (ARROW) and has dimensions of 1.3 meters in length, 1 meter in diameter, and a span of 5 meters. The satellite's dry mass is 140 kg, while its launch mass was 148 kg. It is powered by solar arrays and batteries and uses SPT-50 or BHT-350 Hall effect thrusters for propulsion. Equipped with a Ku-Band payload (OneWeb L5-033), this satellite has an expected operational lifetime of 7 years and serves communication purposes in its mission.
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 L5-033

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.

STS-30 | When Atlantis Sent a Radar to Venus

STS-30 | When Atlantis Sent a Radar to Venus

On May 4, 1989, Space Shuttle Atlantis lifted off from LC-39B carrying Magellan, NASA's first interplanetary mission since 1978. The eleven-year drought ended in a payload bay, and the radar that emerged would map ninety-eight percent of Venus through clouds that no camera could ever see through.

X Report 20 Nov 2025

X Report 20 Nov 2025

SpaceX continues to make strides with its Starship program while successfully launching another batch of Starlink satellites into orbit, enhancing global internet coverage.

Space Brief 18 Dec 2025

Space Brief 18 Dec 2025

Today's updates cover Rocket Lab's launch for the U.S. Space Force, Digantara's major funding round, and discussions on national security in space.

The Day Space Became Crowded

The Day Space Became Crowded

Eight years ago, a single Indian rocket launched 104 satellites into orbit, marking a pivotal moment when space tracking professionals realized the dawn of a new, congested era in orbital operations

Space Brief 12 Nov 2024

Space Brief 12 Nov 2024

Latest updates include China's Lijian-1 launching 15 satellites, a fiery Starlink reentry, SpaceX's milestone Falcon 9 booster landing, and China's support for its commercial space sector.

Space Force Opens Cape Canaveral and Vandenberg Pads to New Launch Providers | KeepTrack Space Brief

Space Force Opens Cape Canaveral and Vandenberg Pads to New Launch Providers | KeepTrack Space Brief

Space Force issues call for launch providers at Cape Canaveral and Vandenberg. Vandenberg opens Space Launch Complex 14 bidding with Feb 12 deadline. Electra pitches hybrid aircraft to Pentagon.

Neil Gehrels Swift Observatory

Neil Gehrels Swift Observatory

Designed for a two-year mission to catch gamma-ray bursts in the act, Swift is now 21 years old, slowly falling out of the sky, and the subject of an unprecedented private rescue mission. Nobody planned for it to be this hard to let go.

Space Brief 2 Dec 2024

Space Brief 2 Dec 2024

Today's space updates include a new EU space commissioner's priorities, insights from declassified satellite images, and an update on NASA's Europa Clipper mission. A highlight in the Satellite Spotlight features the Russian satellite COSMOS 2070.