Cold Jupiter

Last updated June 18, 2025

A cold Jupiter is a gas giant planet with a semi-major axis greater than 1 astronomical unit ^[1] so further from its star than a warm Jupiter. In the solar system Jupiter and Saturn fall in this category.

References

↑ The Super Earth–Cold Jupiter Relations, Wei Zhu (祝伟) and Yanqin Wu (武延庆), 2018 August 10

The Cold Jupiter Eccentricity Distribution is Consistent with EKL Driven by Stellar Companions, Grant C. Weldon, Smadar Naoz, and Bradley M. S. Hansen, 2025 February 17
Cold Jupiters and improved masses in 38 Kepler and K2 small planet systems from 3661 HARPS-N radial velocities, A. S. Bonomo et al. 21 February 2023
The Metallicity Dimension of the Super Earth-cold Jupiter Correlation, Wei Zhu , 9 April 2024
Mutual Orbital Inclinations between Cold Jupiters and Inner Super-Earths, Kento Masuda, Joshua N. Winn, and Hajime Kawahara, 2020 January 3

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[1] The Super Earth–Cold Jupiter Relations, Wei Zhu (祝伟) and Yanqin Wu (武延庆), 2018 August 10

[1]

Cold Jupiter

References

Further reading