Unravelling the story of planets within our galaxy

Twinkle will deliver visible and infrared spectroscopy of thousands of targets, enabling scientists to produce transformative research on exoplanet atmospheres, solar system objects, stars and stellar discs.

Extrasolar & Solar System Science

IR Spectroscopy (0.5-4.5 μm)

Low-Earth Orbit

2025 Launch

Extrasolar Science

Twinkle will provide a high-quality infrared spectroscopic characterisation of the atmospheres of a population of exoplanets, covering a wide range of planetary types.

Solar System Science

Twinkle will study the surface composition of thousands of small bodies within our Solar System

The Satellite

Twinkle is being designed in collaboration with leading satellite and instrument manufacturers Airbus and ABB. The high-heritage approach to the design and component selection will deliver a high-specification astronomy satellite within the short timeframes usually associated with commercial satellites.

The satellite will operate in a low-Earth, Sun-synchronous polar orbit, maximising opportunities for science observations along the ecliptic plane.

Primary Mirror0.45 m
Spectral Range0.5-4.5 μm
Ch0 Resolution0.5-2.4 μm (max R=70)
Ch1 Resolution2.4-4.5 μm (max R=50)
Active Detector Cooling<90K, no consumables
Pointing SolutionStar Tracker + Gyro

Participating Institutions

Cardiff University

Centro de Astrobiología

Excellence Cluster ORIGINS

French Alternative Energies and Atomic Energy Commission

Ludwig-Maximilians-Universität München

Nanjing University

National Tsing Hua University

Ohio State University

University of Central Lancashire

University of Delaware

University of Toronto

University of Southern Queensland

Vanderbilt University

Survey Programmes

Delivering visible and infrared spectroscopy of thousands of objects within and beyond our solar system

Each survey aims to encourage worldwide scientific collaborations leading to high-impact publications by providing powerful population studies in two science areas: exoplanets and solar system bodies.