Moon and Pluto
Moon (Earth’s natural satellite) and Pluto (dwarf planet) side by side – to scale and in numbers.
| Moon | Pluto | Moon ÷ Pluto | |
|---|---|---|---|
| Diameter | 3,475 km | 2,376 km | 1.46 × |
| Mass | 7.30 × 10²² kg | 1.30 × 10²² kg | 5.62 × |
| Surface gravity | 1.60 m/s² | 0.70 m/s² | 2.29 × |
| Density | 3,340 kg/m³ | 1,850 kg/m³ | 1.81 × |
| Mean temperature | -20 °C | -225 °C | |
| Mean distance from the Sun | 149.6 million km with Earth |
5.91 billion km | 0.03 × |
| Length of day | 29.5 days sunrise to sunrise |
6.4 days | 4.62 × |
| Year (orbit around the Sun) | 365.2 days (1.00 years) with Earth |
247.9 years | 4.03 × 10⁻³ × |
| Orbit around its planet | 27.3 days around Earth |
– | |
| Known moons | – | 5 |
Data: NASA Planetary Fact Sheet, JPL SSD (planetary moons), JPL SBDB (dwarf planets) – public domain. Moon gravity is calculated from the JPL mass (GM) and radius; a moon’s “year” is its planet’s orbit around the Sun. A dash – no value in these sources.
⇄ Swap sides More about Moon More about Pluto