The superlatives of the confirmed archive: who holds each record, since when, and who they took it from.
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The planet whose size, mass and temperature together come closest to Earth's own.
Tracked since September 4, 2026
Only planets with a measured size, mass and temperature can be scored, so this is the most Earth-like of the worlds we can actually score — not of every planet catalogued, and not a sign that it is habitable.
The hottest planet known, going by the temperature its star's light would heat it to.
Tracked since September 4, 2026
The widest planet known, measured in multiples of the width of Earth.
Tracked since September 4, 2026
The narrowest planet known, measured as a fraction of the width of Earth.
Tracked since September 4, 2026
The heaviest planet known, measured in multiples of the mass of Earth.
Tracked since September 4, 2026
The planet that circles its star fastest, so a whole year passes in the fewest days.
Tracked since September 4, 2026
The confirmed planet closest to our own solar system.
Tracked since September 4, 2026