CHALLENGE ONE (47956)

COSPAR: 2021-022AA | Alt Name: ChallengeOne

DECAYED

Image

Additional Sources

Launch Details

Launch Date

March 22, 2021

Launch Site

Tyuratam Missile and Space Complex

Launch Pad

LC31

Launch Vehicle

Soyuz-2-1A

Orbital Elements

NORAD ID

47956

International Designator

2021-022AA

Decay Date

4/27/2025

Basic Satellite Info

Name

CHALLENGE ONE

Alternative Name

ChallengeOne

Type

Payload

Status

Decayed

Owner

TELTN

Country

Tunisia

Constellation

N/A

Related Satellites

Major Events

N/A

Summary

The CHALLENGE ONE satellite, also known as ChallengeOne, is a CubeSat (3U) technology demonstration spacecraft designed and manufactured by TELTRU for TELTN. It was launched on March 22, 2021, from the TYMSC launch site using the Soyuz-2-1A launch vehicle at LC31. The satellite has dimensions of 0.2 meters in length, 0.1 meters in diameter, and spans 0.2 meters with a dry mass of 2 kilograms. It is equipped with an SDR and LoRa Gateway for equipment operations. CHALLENGE ONE uses solar cells and batteries for power generation and is expected to have a mission lifetime of 1-2 years. The satellite has a box shape and no propulsion system, with its purpose being technology demonstration in space.

Physical Characteristics

Length

0.2

Diameter

0.1

Span

0.2

Dry Mass

Launch Mass

Shape

Box

Radar Cross Section

Unknown

Visual Magnitude

Unknown

Color

Unknown

Material Composition

Unknown

Technical Details

Payload

ChallengeOne

Purpose

Technology

Mission

Technology

Manufacturer

TELTRU

Life Expectancy

1-2 years

Bus

Cubesat 2U

Configuration

CubeSat (3U)

Motor

None

Equipment

SDR, LoRa Gateway

Power System

Solar cells, batteries

ADCS

Unknown

Transmitter Frequency

Unknown

Satellite Articles

View All Posts »

Learn more about satellites and other related topics.

Space Brief 3 Sep 2025

Today's Space Brief delves into NASA's lunar nuclear power initiative, a strategic Army data integration project, and a rare SpaceX Falcon booster launch. Also covered are significant advancements in military satellite technology and Navy unmanned surface vehicles.

Cygnus NG-24 Carries 11,000 lbs to ISS | KeepTrack X Report

SpaceX's Falcon 9 lofts 11,000 lbs aboard Cygnus NG-24 to the ISS as Amazon pushes Leo's commercial debut to mid-2026.

Space Brief 28 Feb 2025

Today's brief covers defense industry dynamics, advancements in quantum sensor technology, and geopolitical challenges impacting military space operations.

X Report 30 Jul 2025

SpaceX continues to push boundaries with the successful launch of 28 Starlink satellites and significant testing preparations for upcoming Crew-11 and Starship missions.

X Report 6 Mar 2025

Starship Flight 8 set for launch, new milestones in the defense sector, and launch updates dominate today's news.

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.

SpaceX Launches 13th NRO Proliferated Architecture Mission | KeepTrack Space Brief

Falcon 9 successfully deployed NROL-72 for National Reconnaissance Office's 13th proliferated architecture mission. Low-Earth orbit intelligence constellation expanding since 2021.

Space Brief 30 Dec 2025

Today's briefing covers Rocket Lab's plans following a record-breaking year, efforts to recover NASA's MAVEN orbiter, and the potential relocation of space shuttle Discovery.