1
Earth
Solar Systemastronomy
- Mean density (kg/m³)
- 5514
Top 8Updated October 13, 2026
Solar System Planets Ranked by Mean Density
The eight Solar System planets ordered by mean density, using NASA's published reference values. Sources and the ranking method are provided.
Top 3
- 1Earth
- 2Mercury
- 3Venus
Earth
1
Mercury
2
Venus
3
About this ranking
- Ranking type
- Data ranking
- Data as of
- March 18, 2025
- Last source review
- October 13, 2026
Rank the eight Solar System planets in descending order by mean density, using NASA's Planetary Fact Sheet updated on 18 March 2025. Use the published rounded reference values, excluding the Moon and Pluto. The source was accessed and checked on 13 October 2026; that access date is separate from the dataset date.
References: 2. Page edits do not imply that the underlying data is newer.
Change history
- Initial daily challenge bank: values, ranks, units and metric definitions checked against the cited public sources on 13 October 2026.
Interesting Facts & Summary
The eight Solar System planets ordered by mean density, using NASA's published reference values. Sources and the ranking method are provided. The full table includes all eight planets. Data come from NASA's 18 March 2025 update and were checked on 13 October 2026.
2
Mercury
Solar Systemastronomy
- Mean density (kg/m³)
- 5429
3
Venus
Solar Systemastronomy
- Mean density (kg/m³)
- 5243
4
Mars
Solar Systemastronomy
- Mean density (kg/m³)
- 3934
5
Neptune
Solar Systemastronomy
- Mean density (kg/m³)
- 1638
6
Jupiter
Solar Systemastronomy
- Mean density (kg/m³)
- 1326
7
Uranus
Solar Systemastronomy
- Mean density (kg/m³)
- 1270
8
Saturn
Solar Systemastronomy
- Mean density (kg/m³)
- 687
| Rank | Planet | Mean density (kg/m³) |
|---|---|---|
| 1 | Earth | 5514 |
| 2 | Mercury | 5429 |
| 3 | Venus | 5243 |
| 4 | Mars | 3934 |
| 5 | Neptune | 1638 |
| 6 | Jupiter | 1326 |
| 7 | Uranus | 1270 |
| 8 | Saturn | 687 |
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Sources
- S1 · NASA Goddard Space Flight CenterPlanetary Fact Sheet — Metric
NASA reference values and definitions; compare only the eight major Solar System planets.
Published: 2025-03-18Accessed: 2026-10-13 - S2 · NASA Goddard Space Flight CenterPlanetary Fact Sheet Notes
NASA reference values and definitions; compare only the eight major Solar System planets.
Accessed: 2026-10-13
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