Unistellar
SETI Institute + Unistellar Citizen Science

UNITE

Unistellar Network Investigating TESS Exoplanets

Use Your Telescope To Confirm The Existence Of Newly Discovered Worlds

Join the worldwide Unistellar Network of citizen scientists and professional astronomers to discover and characterize some of the most interesting exoplanets in our galaxy!

Giant exoplanets resembling Jupiter that have been recently discovered by TESS, NASA’s current exoplanet hunting mission, need your help. Astronomers don’t have enough information to fully understand the orbits of these planets, which take months or years to circle their star once. This is usually because TESS and other telescopes haven’t had many chances to catch the temporary dimming of the exoplanet’s star as the planet passes, or transits, in front it.

This is where you and UNITE come in! Only a network of people around the world, cooperating to observe the same target, will be able to catch more transits by these exoplanets.

This can be because these planets take many hours to transit their star (much longer than a single night on Earth) or because the dates of future transits cannot yet be accurately predicted. With your observations, scientists can understand the orbits and conditions of these foreign worlds like never before.

Explore below to learn about exoplanets or get started tonight!

Learn About Exoplanets

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Results

Featured Transit for May 2026

TOI 3500.02

TESS light curve of 3500.02, a potential second planet in an already confirmed system.

Observation dates: May 16-17

Visibility: Oceania, South America, Africa, South Asia

Deeplink

Help us confirm a planet candidate!

TOI 3500.02 was initially a TESS solo-transit candidate. In TESS observations from last spring, it looks like there may have been another transit, spotted by the group who originally tipped us off to the transits of TIC 393818343 b and TIC 139270665 b (the first planets UNITE confirmed). As a now duo-transit candidate, this new planet candidate has a max period of about 700 days and a minimum period of ~18 days. So, we’re going to start trying to nail down the period with your help, starting with windows that correspond to more likely periods given the TESS data the we already have. 

Click for more information on this mission

Featured Result: TOI 4465.01

In August 2022, 24 UNITE Citizen Astronomers from around the world joined forces to track TOI-4465 b, a massive Jupiter-like planet about 400 light-years away. First spotted as a single transit in TESS data, its orbit was uncertain until this global campaign gathered 46 datasets across three nights, confirming that the planet circles its Sun-like star every 102 days. TOI-4465 b is unusually dense—six times Jupiter’s mass but only slightly larger—and represents a rare “temperate Jupiter,” offering astronomers a valuable new world to study. All observers are co-authors on the scientific paper detailing these results, led by Dr. Zahra Essack at the University of New Mexico, which you can read here: https://iopscience.iop.org/article/10.3847/1538-3881/add88b

Don’t have a Unistellar telescope? Here’s how you can still be part of the UNITE mission.

You can still be part of UNITE even if you don’t have a Unistellar telescope! Here’s how:

 

Meet the Team

Meet the SETI Institute scientists behind the Unistellar Network’s NASA-Sponsored Exoplanet Programs:

 

Tom Esposito, PhD – UNITE Principal Investigator, Pipeline Development
Lauren Sgro, PhD – Exoplanets Lead, Observation Planning, Data Analysis, Communications
Franck Marchis, PhD – Outreach, Communications

Previous contributors – Dr. Paul Dalba, Dr. Daniel Peluso

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