Appendix F: Physical and Orbital Data for the Planets

Table F1
Physical Data for the Major Planets
Major PlanetMean 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)
Mercury48790.380.0555.4358.0.00.384.3
Venus12,1040.950.8155.24−243.1770.9010.4
Earth12,7561.001.005.511.00023.41.0011.2
Mars67790.530.113.931.02625.20.385.0
Jupiter140,00010.93181.330.4143.12.5360.
Saturn117,0009.1395.20.690.44026.71.0736.
Uranus50,7003.9814.51.27−0.71897.90.8921.
Neptune49,2003.8617.21.640.67129.61.1423.

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”.

Table F2
Physical Data for Well-Studied Dwarf Planets
Well-Studied Dwarf PlanetDiameter (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)
Ceres9500.070.00022.20.37830.030.5
Pluto24700.180.00241.9−6.3871220.061.3
Haumea17000.130.000730.1630.8
Makemake14000.110.000520.3210.8
Eris23260.180.00282.51.25[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”.

Table F3
Orbital Data for the Major Planets
Major PlanetSemimajor Axis (AU)Semimajor Axis (106 km)Sidereal Period (y)Sidereal Period (d)Mean Orbital Speed (km/s)Orbital EccentricityInclination of Orbit to Ecliptic (°)
Mercury0.39580.2488.047.90.2067.0
Venus0.721080.6224.735.00.0073.4
Earth1.001491.00365.229.80.0170.0
Mars1.522281.88687.024.10.0931.9
Jupiter5.2077811.8613.10.0481.3
Saturn9.54142729.469.60.0562.5
Uranus19.19287184.016.80.0460.8
Neptune30.064497164.825.40.0101.8

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”.

Table F4
Orbital Data for Well-Studied Dwarf Planets
Well-Studied Dwarf PlanetSemimajor Axis (AU)Semimajor Axis (106 km)Sidereal Period (y)Mean Orbital Speed
(km/s)
Orbital EccentricityInclination of Orbit to Ecliptic (°)
Ceres2.77414.04.6180.0811
Pluto39.55915248.64.70.2517
Haumea43.16452283.34.50.1928
Makemake45.86850309.94.40.1629
Eris68.010,120560.93.40.4444

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.”.