Prototype

Low-Earth Orbit Flight Test of an Inflatable Decelerator

Vehicle

NASA spacecraft which tested an inflatable reentry system

Space Tethered Autonomous Robotic Satellite II

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Japanese tethered nano-satellite which reentered in 2014

STSS-ATRR

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technology demonstration satellite operated by the U.S. Missile Defense Agency

Dodecapole 2

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SpinSat

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small research satellite operated by the Naval Research Laboratory

Tatiana

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Russian artificial satellite

Nimbus B

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U.S. meteorological satellite, lost in a launch failure

ArduSat 1

Thing

39412

ISTSat-1

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Portuguese nanosatellite

CubeBug-2

Thing

Cubesat built in Argentina

EnduroSat One

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CubeSat launched from the ISS in 2018

Multispectral Thermal Imager

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former American quasi-military reconnaissance spacecraft

GRBBeta

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Slovakian/Hungarian technology demonstration CubeSat

Space Environment Reliability Verification Integrated System

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Nimbus 6

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U.S. meteorological satellite

Tansei 4

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Rubin-8

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NEXTSat

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DARPA technology demonstration satellite

NEXTSat-2

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South Korea's small satellite launched in 2023

Kiku-6

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Japanese technology demonstration satellite

ITF-1

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Japanese technology demonstration CubeSat

Orbiting Picosat Automatic Launcher

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U.S. amateur radio satellite

PicoSat

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Advanced Avionics Module

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Indian satellite

Shijian-12

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D5-A

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GROVER

Thing

rover prototype of NASA used for Earth-bound projects

Horyu 2

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Japanese small technology demonstration satellite

TSX-5

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Cornell University Satellite

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American technology demonstration satellite

Radar Fence Transponder

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former American amateur radio satellite

EXPRESS

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orbital space experiment recovery system, lost due to a launch failure

Tansei 3

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FASTRAC 1

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technology demonstration satellite developed by the University of Texas at Austin

Minisatellite Italiano di Technologia Avanzata

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small satellite technology demonstrator

BlueWalker 1

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American communications and technology demonstration satellite

Kiku-4

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Japanese technology demonstration satellite

Microsat-TD

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Indian Earth observation satellite

TeikyoSat-3

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Japanese life sciences satellite

Wide-field of View Testbed

Thing

American experimental early warning satellite

Tansei 2

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Seeker

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CubeSat built to demonstrate inspection of other spacecraft

Shin'en 2

Thing

Japanese heliocentric amateur radio satellite

North Utah Satellite

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American technology demonstration satellite

Maya-1

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nanosatellite of the Philippines

Shijian-11-01

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shijian 11-01 satellite

TechEdSat 3p

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Kiku-5

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Japanese technology demonstration satellite

CanX-1

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Canadian technology demonstration picosatellite

MightySat-2.1

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American technology demonstration satellite

Compass-2

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the second satellite series designed by FH Aachen and RWTH Aachen students

Spei Satelles

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cubesat; the Vatican's first satellite

TIsat-1

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SOMP

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German technology demonstration satellite

ATL-1

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Hungarian amateur radio satellite and technology testing satellite

SRET 1

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SURCAL 1B

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Innovative Space-based Radar Antenna Technology

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proposed intelligence, surveillance, and reconnaissance spacecraft of the United States

LightSail-1

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former solar sail spacecraft demonstrator

³Cat-4

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Spanish technology demonstration CubeSat