ONEWEB-0139 (47285)

COSPAR: 2020-100AD | Alt Name: OneWeb SL0117

Image
ONEWEB-0139 Satellite Image
Additional Sources
Launch Details

Launch Date

December 18, 2020

Launch Site

VOSTO

Launch Pad

PU1S

Launch Vehicle

Soyuz-2-1B

Orbital Elements

NORAD ID

47285

International Designator

2020-100AD

Epoch

Sat, 04 Jul 2026 04:03:10 GMT

Apogee

Calculating...

Perigee

Calculating...

Inclination

87.90°

Right Ascension

347.27°

Eccentricity

Calculating...

Argument of Perigee

94.92°

Period

109.72 min

Mean Motion

13.12 rev/day

Latitude

Calculating...

Longitude

Calculating...

Altitude

Calculating...

Velocity

Calculating...

Polar Plot
3D Visualization
Basic Satellite Info

Name

ONEWEB-0139

Alternative Name

OneWeb SL0117

Type

Payload

Status

Operational

Owner

ONEWEB

Country

United Kingdom

Constellation

N/A

Related Satellites

Major Events

N/A

Latest TLEs
1 47285U 20100AD  26185.16887319 -.00000410  00000-0 -11740-2 0  9996
2 47285  87.8958 347.2745 0001894  94.9156 265.2189 13.12442096266954

Source: Celestrak

Summary
ONEWEB-0139, also known as OneWeb SL0117, is a communication satellite built by ONEWUS for Oneweb and uses an Arrow bus configuration. Launched on December 18, 2020, from Vostochny Cosmodrome using the Soyuz-2-1B launch vehicle, this satellite measures 1.3 meters in length, has a diameter of 1 meter, and spans 5 meters when its solar arrays are deployed. It weighs 140 kg dry and had a launch mass of 148 kg. The satellite is equipped with a Ku-Band payload for communication purposes and uses SPT-50 or BHT-350 Hall effect thrusters as propulsion. Its shape consists of a trapezoid with two panels, and it is powered by solar arrays and batteries. With an expected lifetime of 7 years, the ONEWEB-0139 operates in low Earth orbit for communication missions.
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 L4-028

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.

Etlaq Spaceport

Etlaq Spaceport

The Middle East's first commercial spaceport is building launch heritage one rocket at a time. How Oman is positioning Duqm as a global launch hub - and what the 2025 delays tell us about the real pace of spaceport development.

Starship Flight 13 Set for July 16, Will Deploy Live Starlinks | KeepTrack X Report

Starship Flight 13 Set for July 16, Will Deploy Live Starlinks | KeepTrack X Report

SpaceX targets July 16 for Starship Flight 13, testing V3 fixes and deploying functioning Starlink satellites for the first time.

FCC Approves 7,500 More Starlink Satellites, SpaceX Wins $739M Launch Contract | KeepTrack X Report

FCC Approves 7,500 More Starlink Satellites, SpaceX Wins $739M Launch Contract | KeepTrack X Report

FCC approves 7,500 additional Starlink Gen2 satellites. Space Force awards SpaceX $739M for nine national security launches. NASA plans Crew-11 medical evacuation from ISS on January 14.

Missile Strikes SES Teleport in Israel; Anduril Buys ExoAnalytic | KeepTrack Space Brief

Missile Strikes SES Teleport in Israel; Anduril Buys ExoAnalytic | KeepTrack Space Brief

Missile strike damages SES teleport facility in Israel amid military operations. Anduril acquires ExoAnalytic's 130-person space tracking team, integrating satellite/missile surveillance into defense portfolio.

X Report 10 Feb 2025

X Report 10 Feb 2025

SpaceX prepares for Starship Flight 8 with successful booster static fire; Starlink continues its expansion.

Starlink V2: 100x Faster, 5G Direct-to-Phone for Europe | KeepTrack X Report

Starlink V2: 100x Faster, 5G Direct-to-Phone for Europe | KeepTrack X Report

SpaceX's Starlink V2 promises 100x data density for 5G direct-to-phone service. Deutsche Telekom targets 10 European countries by 2028.

China's iSpace Raises Record $729M for Reusable Rockets | KeepTrack Space Brief

China's iSpace Raises Record $729M for Reusable Rockets | KeepTrack Space Brief

China's iSpace secures record $729M for reusable rocket development. SpaceX launches Crew-12 and lands booster at new LZ-40 pad. Startup bets on space-based missile defense.

NLRB Drops SpaceX Oversight Case, Booster 19 Tests Complete | KeepTrack X Report

NLRB Drops SpaceX Oversight Case, Booster 19 Tests Complete | KeepTrack X Report

US labor board drops oversight case against SpaceX. Booster 19 completes cryogenic testing at upgraded Massey's. SpaceX IPO expected to reshape space investment landscape.