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Relationships

Most equal star-planet pairs

Systems ranked by how closely the planet radius matches the host-star radius after converting both to the same unit.

What this view shows

Radius spans 9.58 R⊕ to 32.60 R⊕ across the ranked entries.

Discovery years run from 2012 to 2025.

#PlanetHost StarSize RatioGap From EqualRadiusHost RadiusYear
1WISEP J121756.91+162640.2 A bWISEP J121756.91+162640.2 A1.05x0.0510.47 R⊕0.09 R☉2012
2CFHTWIR-Oph 98 bCFHTWIR-Oph 98 A0.78x0.2220.85 R⊕0.24 R☉2021
32MASS J02192210-3925225 b2MASS J02192210-39252250.53x0.4716.14 R⊕0.28 R☉2015
4TOI-6894 bTOI-68940.39x0.619.58 R⊕0.23 R☉2025
5TOI-7149 bTOI-71490.34x0.6613.20 R⊕0.35 R☉2025
6Kepler-297 dKepler-2970.33x0.6732.60 R⊕0.90 R☉2023
7TOI-519 bTOI-5190.30x0.7011.55 R⊕0.35 R☉2021
8COCONUTS-2 bCOCONUTS-2 A0.29x0.7112.44 R⊕0.39 R☉2021
9HIP 65 A bHIP 65 A0.29x0.7122.75 R⊕0.72 R☉2020
10Kepler-1979 bKepler-19790.29x0.7129.33 R⊕0.94 R☉2023