Largest Objects in the Solar System by Diameter
Source:
NASA Planetary Fact Sheet
Key Findings
🏆
Sun leads in Diameter (km) with 1,391,000.
📊
Average Diameter (km): 178,929 · median: 30,993.
↔️
Gap: Sun is 270.1× larger than Titan.
About This Dataset
Largest Objects in the Solar System by Diameter
This chart ranks the largest objects in the Solar System by diameter, in kilometres, from the Sun through the planets down to the biggest moons. The Sun utterly dominates, dwarfing even the giant planet Jupiter.
Analysis
The top three in Diameter (km) are Sun (1,391,000), Jupiter (139,820) and Saturn (116,460). The 10 entries in Diameter (km) cover a range of 1,385,850, from 1,391,000 down to 5,150. Most of that gap is between first and second alone (1,251,180 of 1,385,850); the other 9 are separated by just 134,670. Only 1 of the 10 reaches even half the leader's figure (695,500 or more).
Data Insights
Numbers, trends & sources behind this chart
Methodology & source
- Data source
- NASA Planetary Fact Sheet
- Coverage
- 10 entities · 10 observations
- Measure
- Diameter (km)
- Last updated
- 6 September 2026
- Compiled by
- The ANYSTAT team, from the source above
How the figures are calculated
- Values are shown as reported by the source. Nothing is rescaled, rebased or converted — the only changes are thousand separators and decimals shown to two places.
- Entities are ranked highest-first on their value.
Data Sources & References
All external sources cited in this dataset
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