RSP-01, nicknamed Selfie-sh was a

nanosatellite A small satellite, miniaturized satellite, or smallsat is a satellite of low mass and size, usually under . While all such satellites can be referred to as "small", different classifications are used to categorize them based on mass. Satellites c ...

developed by Ryman Sat Project. RSP-01 launched from

Wallops Flight Facility Wallops Flight Facility (WFF) is a rocket launch site on Wallops Island on the Eastern Shore of Virginia, United States, just east of the Delmarva Peninsula and approximately north-northeast of Norfolk, VA, Norfolk. The facility is operated ...

on board a Cygnus spacecraft on 20 February 2021. The satellite decayed from orbit on 10 June 2022.

Overview

RSP-01 was Ryman Sat Project's second satellite. It was a 1U

CubeSat A CubeSat is a class of small satellite with a form factor of cubes. CubeSats have a mass of no more than per unit,, url=https://static1.squarespace.com/static/5418c831e4b0fa4ecac1bacd/t/5f24997b6deea10cc52bb016/1596234122437/CDS+REV14+2020-07-3 ...

weighing around 1.3 kg, and was equipped with an arm that could extend up to 10 cm. The CubeSat had three

transceivers In radio communication, a transceiver is an electronic device which is a combination of a radio ''trans''mitter and a re''ceiver'', hence the name. It can both transmit and receive radio waves using an antenna, for communication purposes. The ...

. The on board computer used

Arduino Arduino () is an Italian open-source hardware and open-source software, software company, project, and user community that designs and manufactures single-board microcontrollers and microcontroller kits for building digital devices. Its hardwar ...

and

Raspberry Pi Raspberry Pi ( ) is a series of small single-board computers (SBCs) developed in the United Kingdom by the Raspberry Pi Foundation in collaboration with Broadcom Inc., Broadcom. To commercialize the product and support its growing demand, the ...

. The project began in 2017, and development was completed by 2020. Part of the development cost was covered by a

crowdfunding Crowdfunding is the practice of funding a project or venture by raising money from a large number of people, typically via the internet. Crowdfunding is a form of crowdsourcing and Alternative Finance, alternative finance, to fund projects "withou ...

campaign in 2019. The RSP-01 project was led by Ryuichi Mitsui and Shuichi Ito.

Mission

RSP-01's main mission was to extend an arm carrying a camera, and photograph RSP-01 with the

Earth Earth is the third planet from the Sun and the only astronomical object known to Planetary habitability, harbor life. This is enabled by Earth being an ocean world, the only one in the Solar System sustaining liquid surface water. Almost all ...

in the background, taking

selfie A selfie () is a self-portrait photograph or a short video, typically taken with an electronic camera or smartphone. The camera would be usually held at arm's length or supported by a selfie stick instead of being controlled with a self-timer ...

s. The arm had a

pantograph A pantograph (, from their original use for copying writing) is a Linkage (mechanical), mechanical linkage connected in a manner based on parallelograms so that the movement of one pen, in tracing an image, produces identical movements in a se ...

design to allow contraction after being extended. Additionally, RSP-01 conducted image recognition by

machine learning Machine learning (ML) is a field of study in artificial intelligence concerned with the development and study of Computational statistics, statistical algorithms that can learn from data and generalise to unseen data, and thus perform Task ( ...

, and also had a chat function. The CubeSat used its

reaction wheel A reaction wheel (RW) is an electric motor attached to a flywheel, which, when its rotation speed is changed, causes a counter-rotation proportionately through conservation of angular momentum. A reaction wheel can rotate only around its center ...

to demonstrate

attitude control Spacecraft attitude control is the process of controlling the orientation of a spacecraft (vehicle or satellite) with respect to an inertial frame of reference or another entity such as the celestial sphere, certain fields, and nearby objects, ...

References

External links

Official project site
{{Orbital launches in 2021 Satellites of Japan 2021 in Japan Spacecraft launched in 2021

Overview

Mission

See also

References

External links