List of solar system objects by mass
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This is a list of solar system objects by mass, in decreasing order. This list is incomplete because the masses of many asteroids are not accurately known.
The ordering is not the same as the order of a list of solar system objects by radius because some objects are denser than others. For instance Neptune is more massive than Uranus despite being smaller, and Mercury is much more massive than Ganymede and Titan despite being smaller.
| Sun | (1.9891 × 1030 kg) |
| Jupiter | (1.899 × 1027 kg) |
| Saturn | (5.6846 × 1026 kg) |
| Neptune | (1.0243 × 1026 kg) |
| Uranus | (8.6832 × 1025 kg) |
| Earth | (5.9736 × 1024 kg) |
| Venus | (4.8685 × 1024 kg) |
| Mars | (6.4185 × 1023 kg) |
| Mercury | (3.302 × 1023 kg) |
| Ganymede | (1.482 × 1023 kg) |
| Titan | (1.345 × 1023 kg) |
| Callisto | (1.076 × 1023 kg) |
| Io | (8.94 × 1022 kg) |
| Moon | (7.349 × 1022 kg) |
| Europa | (4.8 × 1022 kg) |
| Triton | (2.147 × 1022 kg) |
| Pluto | (1.25 × 1022 kg) |
| Titania | (3.526 × 1021 kg) |
| Oberon | (3.014 × 1021 kg) |
| 90377 Sedna | (3 × 1021 kg?) |
| Rhea | (2.3166 × 1021 kg) |
| Iapetus | (1.9739 × 1021 kg) |
| Charon | (1.90 × 1021 kg) |
| Ariel | (1.35 × 1021 kg) |
| Umbriel | (1.2 × 1021 kg) |
| Dione | (1.096 × 1021 kg) |
| 1 Ceres | (8.7 × 1020 kg) |
| Tethys | (6.176 × 1020 kg) |
| 20000 Varuna | (4 × 1020 kg) |
| 2 Pallas | (3.18 × 1020 kg) |
| 4 Vesta | (3.0 × 1020 kg) |
| 10 Hygiea | (1 × 1020 kg) |
| Enceladus | (8.6 × 1019 kg) |
| Miranda | (6.59 × 1019 kg) |
| Proteus | (5 × 1019 kg) |
| Mimas | (3.84 × 1019 kg) |
| 511 Davida | (3.6 × 1019 kg) |
| 3 Juno | (2.0 × 1019 kg) |
| Hyperion | (1.08 × 1019 kg) |
| Elara | (8.7 × 1018 kg) |
| Amalthea | (7.43 × 1018 kg) |
| Phoebe | (7.2 × 1018 kg) |
| Himalia | (6.74 × 1018 kg) |
| 45 Eugenia | (6.1 × 1018 kg) |
| 2060 Chiron | (4 × 1018 kg) |
| Pasiphaë | (3.1 × 1018 kg) |
| Puck | (2.89 × 1018 kg) |
| Janus | (1.98 × 1018 kg) |
| 140 Siwa | (1.5 × 1018 kg) |
| Thebe | (7.557 × 1017 kg) |
| Caliban | (7.3 × 1017 kg) |
| Juliet | (5.57 × 1017 kg) |
| Epimetheus | (5.35 × 1017 kg) |
| Belinda | (3.57 × 1017 kg) |
| Cressida | (3.43 × 1017 kg) |
| Prometheus | (3.3 × 1017 kg) |
| Rosalind | (2.54 × 1017 kg) |
| Pandora | (1.94 × 1017 kg) |
| Desdemona | (1.78 × 1017 kg) |
| Carme | (1.3 × 1017 kg) |
| 253 Mathilde | (1.033 × 1017 kg) |
| 243 Ida | (1 × 1017 kg) |
| Metis | (9.5467 × 1016 kg) |
| Bianca | (9.3 × 1016 kg) |
| Sinope | (7.6 × 1016 kg) |
| Lysithea | (6.3 × 1016 kg) |
| Ophelia | (5.4 × 1016 kg) |
| Cordelia | (4.5 × 1016 kg) |
| Ananke | (3.82 × 1016 kg) |
| Adrastea | (1.8894 × 1016 kg) |
| Leda | (1.09 × 1016 kg) |
| Phobos | (1.08 × 1016 kg) |
| 951 Gaspra | (1.0 × 1016 kg) |
| 24 Themis | (7.2 × 1015 kg) |
| 433 Eros | (7.2 × 1015 kg) |
| Pan | (2.7 × 1015 kg) |
| Deimos | (1.8 × 1015 kg) |
| 4979 Otawara | (2 × 1014 kg) |
| 4179 Toutatis | (5.0 × 1013 kg) |
| 1620 Geographos | (4 × 1012 kg) |
| 1862 Apollo | (2 × 1012 kg) |
| 1566 Icarus | (1 × 1012 kg) |
| 2062 Aten | (7.6 × 1011 kg) |
| 4769 Castalia | (5.0 × 1011 kg) |
Many of these values were taken directly from the appropriate Wikipedia article. Some were taken from the Planetary Fact Sheets (http://nssdc.gsfc.nasa.gov/planetary/planetfact.html). The mass of 20000 Varuna was estimated based on values given at [1] (http://www.ifa.hawaii.edu/faculty/jewitt/varuna.html) for its diameter and density. Several large objects (90377 Sedna, 28978 Ixion, 50000 Quaoar, and 90482 Orcus) are not listed because they are not well-studied.