| Physical Data for the Major Planets | ||||||||
|---|---|---|---|---|---|---|---|---|
| Major Planet | Mean Diameter (km) | Mean Diameter (Earth = 1) | Mass (Earth = 1) | Mean Density (g/cm3) | Rotation Period (d) | Inclination of Equator to Orbit (°) | Surface Gravity (Earth = 1[g]) | Velocity of Escape (km/s) |
| Mercury | 4879 | 0.38 | 0.055 | 5.43 | 58. | 0.0 | 0.38 | 4.3 |
| Venus | 12,104 | 0.95 | 0.815 | 5.24 | −243. | 177 | 0.90 | 10.4 |
| Earth | 12,756 | 1.00 | 1.00 | 5.51 | 1.000 | 23.4 | 1.00 | 11.2 |
| Mars | 6779 | 0.53 | 0.11 | 3.93 | 1.026 | 25.2 | 0.38 | 5.0 |
| Jupiter | 140,000 | 10.9 | 318 | 1.33 | 0.414 | 3.1 | 2.53 | 60. |
| Saturn | 117,000 | 9.13 | 95.2 | 0.69 | 0.440 | 26.7 | 1.07 | 36. |
| Uranus | 50,700 | 3.98 | 14.5 | 1.27 | −0.718 | 97.9 | 0.89 | 21. |
| Neptune | 49,200 | 3.86 | 17.2 | 1.64 | 0.671 | 29.6 | 1.14 | 23. |
A table titled “Physical Data for the Major Planets” with nine columns and nine rows. The first row is a header row and labels each column. From left to right, the first row reads “Major Planet”, “Mean Diameter (km)”, “Mean Diameter (Earth = 1)”, “Mass (Earth = 1)”, “Mean Density (g/cm to the 3)”, “Rotation Period (d)”, “Inclination of Equator to Orbit (degrees)”, “Surface Gravity (Earth = 1[g])” and “Velocity of Escape (km/s)”. The second row reads “Mercury”, “4879”, “.38”, “0.055”, “5.43”, “58.”, “0.0”, “0.38”, and “4.3”. The third row reads “Venus”, “12,104”, “0.95”, “0.815”, “5.24”, “negative 243.”, “177”, “0.90”, and “10.4”. The fourth row reads “Earth”, “12,756”, “1.00”, “1.00”, “5.51”, “1.000”, “23.4”, “1.00”, and “11.2”. The fifth row reads “Mars”, “6779”, “0.53”, “0.11”, “3.93”, “1.026”, “25.2”, “0.38”, and “5.0”. The sixth row reads “Jupiter”, “140,000”, “10.9,” “318”, “1.33”, “0.414”, ‘3.1”, “2.53”, and “60”. The seventh row reads “Saturn” “117,000”, “9.13”, “95.2”, “0.69”, “0.440”, “26.7”, “1.07”, and “36”. The eighth row reads “Uranus”, “50,700”, “3.98”, “14.5”, “1.27”, “negative 0.718”, “97.9”, “0.89,” and “21”. The ninth row reads “Neptune”, “49,200”, “3.86”, “17.2”, “1.64”, “0.671”, “29.6, “1.14”, and “23”.
| Physical Data for Well-Studied Dwarf Planets | ||||||||
|---|---|---|---|---|---|---|---|---|
| Well-Studied Dwarf Planet | Diameter (km) | Diameter (Earth = 1) | Mass (Earth = 1) | Mean Density (g/cm3) | Rotation Period (d) | Inclination of Equator to Orbit (°) | Surface Gravity (Earth = 1[g]) | Velocity of Escape (km/s) |
| Ceres | 950 | 0.07 | 0.0002 | 2.2 | 0.378 | 3 | 0.03 | 0.5 |
| Pluto | 2470 | 0.18 | 0.0024 | 1.9 | −6.387 | 122 | 0.06 | 1.3 |
| Haumea | 1700 | 0.13 | 0.0007 | 3 | 0.163 | — | — | 0.8 |
| Makemake | 1400 | 0.11 | 0.0005 | 2 | 0.321 | — | — | 0.8 |
| Eris | 2326 | 0.18 | 0.0028 | 2.5 | 1.25[1] | — | — | 1.4 |
A table titled “Physical Data for Well-Studied Dwarf Planets” with nine columns and six rows. The first row is a header row and labels each column. From left to right, the first row reads “Well-Studied Dwarf Planet”, “Mean Diameter (km)”, “Mean Diameter (Earth = 1)”, “Mass (Earth = 1)”, “Mean Density (g/cm to the 3)”, “Rotation Period (d)”, “Inclination of Equator to Orbit (degrees)”, “Surface Gravity (Earth = 1[g])” and “Velocity of Escape (km/s)”. The second row reads “Ceres”, “950”, “0.07”, “0.0002” “2.2”, “0.378”, “3”, “0.03”, and “0.5”. The third row reads “Pluto”, “2470”, “0.18”, “0.0024”, “1.9”, “ negative 6.387”, “122”, “0.06”, and “1.3”. The fourth row reads “Haumea”, “1700”, 0.13”, “0.00073”, “0.163”, “blank”, “blank”, and “0.8”. The fifth row reads “Makemake” “1400”, “0.11”, “0.0005”, “2”, “0.321”, “blank”, “blank”, and “0.8”. The sixth row reads “Eris”, “2326”, “0.18,” “0.0028”, “2.5”, “1.25 footnote: this measurement is quite uncertain”, “blank”, “blank”, and “1.4”.
| Orbital Data for the Major Planets | |||||||
|---|---|---|---|---|---|---|---|
| Major Planet | Semimajor Axis (AU) | Semimajor Axis (106 km) | Sidereal Period (y) | Sidereal Period (d) | Mean Orbital Speed (km/s) | Orbital Eccentricity | Inclination of Orbit to Ecliptic (°) |
| Mercury | 0.39 | 58 | 0.24 | 88.0 | 47.9 | 0.206 | 7.0 |
| Venus | 0.72 | 108 | 0.6 | 224.7 | 35.0 | 0.007 | 3.4 |
| Earth | 1.00 | 149 | 1.00 | 365.2 | 29.8 | 0.017 | 0.0 |
| Mars | 1.52 | 228 | 1.88 | 687.0 | 24.1 | 0.093 | 1.9 |
| Jupiter | 5.20 | 778 | 11.86 | — | 13.1 | 0.048 | 1.3 |
| Saturn | 9.54 | 1427 | 29.46 | — | 9.6 | 0.056 | 2.5 |
| Uranus | 19.19 | 2871 | 84.01 | — | 6.8 | 0.046 | 0.8 |
| Neptune | 30.06 | 4497 | 164.82 | — | 5.4 | 0.010 | 1.8 |
A table titled “Orbital Data for the Major Planets” with nine columns and nine rows. The first row is a header row and labels each column. From left to right, the first row reads “Major Planet”, “Semimajor Axis (AU)”, “Semimajor Axis (10 to the 6 km)”, “Sidereal Period (y)”, “Sidereal Period (d)”, “Mean Orbital Speed (km/s)”, “Orbital Eccentricity”, and “Inclination of Orbit to Ecliptic (degrees)”. The second row reads “Mercury”, “0.39”, “58”, “0.24”, “88.0”, “47.9”, “0.206”, and “7.0”. The third row reads “Venus”, “0.72”, “108.”, “0.6”, “224.7”, “35.0”, “0.007”, and “3.4”. The fourth row reads “Earth”, “1.00”, “149.”, “1.00”, “365.2”, “29.8”, “0.017”, and “0.0”. The fifth row reads “Mars”, “1.52”, “228.”, “1.88”, “687.0”, “24.1”, “0.093”, and “1.9”. The sixth row reads “Jupiter”, “5.20”, “778.”, “11.86”, “blank”, “13.1”, “0.048”, and “1.3”. The seventh row reads “Saturn”, “9.54”, “1427”, “29.46”, “blank”, “9.6”, “0.056”, and “2.5”. The eighth row reads “Uranus”, “19.19”, “2871”, “84.01”, “blank”, “6.8”, “0.046”, and “0.8”. The ninth row reads “Neptune”, “30.06”, “4497”, “164.82,” “blank”, “5.4”, “0.010”, and “1.8”.
| Orbital Data for Well-Studied Dwarf Planets | ||||||
|---|---|---|---|---|---|---|
| Well-Studied Dwarf Planet | Semimajor Axis (AU) | Semimajor Axis (106 km) | Sidereal Period (y) | Mean Orbital Speed (km/s) | Orbital Eccentricity | Inclination of Orbit to Ecliptic (°) |
| Ceres | 2.77 | 414.0 | 4.6 | 18 | 0.08 | 11 |
| Pluto | 39.5 | 5915 | 248.6 | 4.7 | 0.25 | 17 |
| Haumea | 43.1 | 6452 | 283.3 | 4.5 | 0.19 | 28 |
| Makemake | 45.8 | 6850 | 309.9 | 4.4 | 0.16 | 29 |
| Eris | 68.0 | 10,120 | 560.9 | 3.4 | 0.44 | 44 |
A table titled “Orbital Data for Well-Studied Dwarf Planets” with nine columns and six rows. The first row is a header row and labels each column. From left to right, the first row reads “Well-Studied Dwarf Planet”, “Semimajor Axis (AU)”, “Semimajor Axis (10 to the 6 km)”, “Sidereal Period (y)”, “Sidereal Period (d)”, “Mean Orbital Speed (km/s)”, “Orbital Eccentricity”, and “Inclination of Orbit to Ecliptic (degrees)”. The second row reads “Ceres”, “2.77”, “414.0”, “4.6”, “18”, “0.08”, and “11”. The third row reads “Pluto”, “39.5”, “5915”, “248.6”, “4.7”, “0.25”, and “17.” The fourth row reads “Haumea“, “3.1”, “6452”, “283.3”, “4.5”, “0.19”, and “28.”. The fifth row reads “Makemake”, “45.8”, “6850”, “309.9”, “4.4”, “0.16”, and “29”. The sixth row reads “Eris”, “68.0”, “10,120”, “560.9”, “3.4”, “0.44”, and “44.”.