ONEWEB-0331 (49198)

COSPAR: 2021-083N | Alt Name: OneWeb SL0331

Image
ONEWEB-0331 Satellite Image
Additional Sources
Launch Details

Launch Date

September 14, 2021

Launch Pad

LC31

Launch Vehicle

Soyuz-2-1B

Orbital Elements

NORAD ID

49198

International Designator

2021-083N

Epoch

Sat, 04 Jul 2026 03:26:23 GMT

Apogee

Calculating...

Perigee

Calculating...

Inclination

87.92°

Right Ascension

332.08°

Eccentricity

Calculating...

Argument of Perigee

85.71°

Period

109.20 min

Mean Motion

13.19 rev/day

Latitude

Calculating...

Longitude

Calculating...

Altitude

Calculating...

Velocity

Calculating...

Polar Plot
3D Visualization
Basic Satellite Info

Name

ONEWEB-0331

Alternative Name

OneWeb SL0331

Type

Payload

Status

Operational

Owner

ONEWEBN

Country

United Kingdom

Constellation

N/A

Related Satellites

Major Events

N/A

Latest TLEs
1 49198U 21083N   26185.14333091 -.00000096  00000-0 -27635-3 0  9994
2 49198  87.9187 332.0772 0001855  85.7132 274.4212 13.18686242232248

Source: Celestrak

Summary
The ONEWEB-0331 satellite, also known as OneWeb SL0331, was launched on September 14, 2021, from the TYSMC launch site using a Soyuz-2-1B launch vehicle. It operates under the ownership of ONEWEBN and is designed for communication purposes. The satellite has an arrow bus configuration with dimensions of 1.3 meters in length, 1 meter in diameter, and a span of 5 meters. Its dry mass is 140 kilograms, and it was launched with a total mass of 148 kilograms. It is powered by solar arrays and batteries and equipped with a Ku-Band payload for its communication mission. The satellite utilizes SPT-50 or BHT-350 Hall effect thrusters for propulsion and has a trapezoid shape plus two panels. Its expected operational lifetime is approximately 7 years, and it was manufactured by ONEWUS in the UK.
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 L10-029

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.

X Report 24 Mar 2025

X Report 24 Mar 2025

SpaceX sets a rocket re-use record, Starlink satellites continue to proliferate, and Botswana launches its first national satellite.

Space Brief 28 May 2025

Space Brief 28 May 2025

Today's briefing covers SpaceX's ambitious launch and temporary setback with their Super Heavy booster, adjustments in South African telecommunications laws influenced by Starlink, and the U.S. Navy's strategic shifts amidst changes in unmanned combatant acquisitions.

Space Brief 5 Oct 2025

Space Brief 5 Oct 2025

Today's brief covers significant advancements in national security space launches, ongoing rocket developments, and critical updates from the space industry.

X Report 15 Nov 2024

X Report 15 Nov 2024

SpaceX preps for its sixth Starship test flight, moving the Super Heavy rocket to the pad. China's unveils a Starship-like reusable rocket concept, while Starlink expands with 24 new satellites launched.

SpaceX Valued at $1.25T as IPO Signals Intensify | KeepTrack X Report

SpaceX Valued at $1.25T as IPO Signals Intensify | KeepTrack X Report

SpaceX hits a $1.25 trillion valuation as IPO speculation mounts, Starlink 17-17 lifts off from Vandenberg, and a quantum sensor rides to orbit.

X Report 16 Jan 2025

X Report 16 Jan 2025

SpaceX launches dual lunar landers while Starship Flight 7 faces weather delay.

The Looming Crisis of Orbital Debris

The Looming Crisis of Orbital Debris

As humanity increasingly relies on satellites, the escalating space junk problem poses a dire threat to our space-based infrastructure. With debris counts reaching alarming levels, urgent action is needed to prevent a cascade of collisions that could make key orbits unusable.

X Report 8 Aug 2025

X Report 8 Aug 2025

SpaceX celebrates its 100th launch of the year with a Falcon 9 mission carrying Amazon's Project Kuiper satellites, while Crew-10 prepares for its return from the ISS and the company expands its interplanetary ambitions with new Mars partnerships.