ONEWEB-0256 (48974)

COSPAR: 2021-060H | Alt Name: OneWeb SL0256

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

48974

International Designator

2021-060H

Epoch

Sat, 04 Jul 2026 02:14:49 GMT

Apogee

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Perigee

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Inclination

87.91°

Right Ascension

225.43°

Eccentricity

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Argument of Perigee

91.80°

Period

109.37 min

Mean Motion

13.17 rev/day

Latitude

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Longitude

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Altitude

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Velocity

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Polar Plot

3D Visualization

Basic Satellite Info

Name

ONEWEB-0256

Alternative Name

OneWeb SL0256

Type

Payload

Status

Operational

Owner

ONEWEBN

Country

United Kingdom

Constellation

N/A

Related Satellites

Major Events

N/A

Latest TLEs

1 48974U 21060H   26185.09363201  .00000054  00000-0  10787-3 0  9992

2 48974  87.9076 225.4255 0001989  91.8014 268.3344 13.16593967241856

Source: Celestrak

Summary

ONEWEB-0256 (also known as OneWeb SL0256) is a UK-manufactured communication satellite using the Arrow bus configuration and launched on July 1, 2021, from VOSTO Launch Site (PU1S pad) aboard a Soyuz-2-1B launch vehicle. It has dimensions of 1.3 meters in length, 1 meter in diameter, and spans 5 meters. The satellite features a dry mass of 140 kg with a launch mass of 148 kg and is equipped with a Ku-Band payload for communication purposes. Its propulsion system includes SPT-50 or BHT-350 Hall effect thrusters, while power is supplied by solar arrays and batteries. The satellite has a trapezoid shape plus two panels and is expected to have an operational lifetime of 7 years. It was manufactured by ONEWUS for OneWeb and operates under the ownership of ONEWEBN.

Physical Characteristics

Length

1.3

Diameter

Span

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 L8-024

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

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