Planet π
Published Β· Updated 2 hours ago Β· 7:25 p.m. UTC
Catalog designation TOI-7421 b Β· Discovery announced today
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Planet π
A giant planet composed mainly of gas
Planet π (catalog designation TOI-7421 b) is a gas giant exoplanet that orbits an A-type star. Its mass is 2.4 Jupiters, it takes 91 years to complete one orbit of its star, and is 26 AU from its star. Its discovery was announced today, September 22, 2026.
- Planet Radius:
- 1.26 x Jupiter
- Planet Type:
- Gas Giant
- Discovery Method:
- Imaging
- Planet Mass:
- 2.4 Jupiters
- Discovery Date:
- Sep 22, 2026
- Orbital Radius:
- 26 AU
- Orbital Period:
- 91 years
- Eccentricity:
- < 0.44
Name origin
The common name Planet π is the informal designation for the newly imaged dark companion. The name sits with the planet in the public catalog the same way other common names accompany a TOI identifier β a recognition, not a replacement for the archive code.
The official catalog designation is TOI-7421 b. Planet π β TOI-7421 b was announced today, September 22, 2026, as a newly imaged dark companion around an A-type host. The name marks the unseen world in the public catalog. It is not a change to the TOI identifier used in the archive.
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