Largest planet in the Solar System
The current largest planet in the solar system record is 88,846 miles, held by Jupiter. Last checked October 14, 2026.
88,846
miles
Jupiter
- Holder
- Jupiter
- Record
- 88,846 miles
- Metric
- 142,984 km
- Exact figure
- About 142,984 km equatorial diameter
- Location
- Solar System
- Last checked
- October 14, 2026
Sources
- nasa.gov Planet sizes and locations in our solar system
- reuters.com Nasas juno finds jupiter is tiny bit smaller than previously thought
- Wikipedia Read the source
- britannica.com How Big Is Jupiter
Spotted an error or a newer record? Use the form below with a source link.
Spotted something out of date?
Know a different record we're missing? Tip us off
Get an email when records fall
Every Monday: the world records that were broken or newly set that week. Unsubscribe any time.
More stars, planets and telescopes records
-
Stars, Planets and Telescopes 13.6 miles Tallest volcano in the Solar System Olympus Mons · Mars See record ↗ -
Stars, Planets and Telescopes 3,268 miles Largest moon in the Solar System Ganymede · Orbiting Jupiter See record ↗ -
Stars, Planets and Telescopes 872.6 °F Hottest planet in the Solar System Venus · Venus See record ↗ -
Stars, Planets and Telescopes 14.44 redshift Most distant confirmed galaxy MoM-z14 · Observed by JWST See record ↗