Before revision: + Orbital characteristics epoch J2000.0 aphelion 1.0167 AU perihelion 0.98329 AU semimajor axis 1.0000010178 AU eccentricity 0.0167086 inclination 7.155° to Sun's equator1.578690° to invariable plane longitude of the ascending node 174.9° longitude of perihelion 102.9° argument of periapsis 288.1° period daysThe figure appears in multiple references, and is derived from the VSOP87 elements from section 5.8.3, p. 675 of the following: average orbital speed speed at aphelion speed at perihelion The following diagram illustrates the positions and relationship between the lines of solstice, equinox, and of the apsides , and of Earth's elliptical orbit.
After revision: + Orbital characteristics epoch J2000.0 aphelion 1.0167 AU perihelion 0.98329 AU semimajor axis 1.0000010178 AU eccentricity 0.0167086 inclination 7.155° to Sun's equator1.578690° to invariable plane longitude of the ascending node 174.9° longitude of perihelion 102.9° argument of periapsis 288.1° period daysThe figure appears in multiple references, and is derived from the VSOP87 elements from section 5.8.3, p. 675 of the following: average orbital speed speed at aphelion speed at perihelion The following diagram illustrates the positions and relationship between the lines of solstices, equinoxes, and apsides of Earth's elliptical orbit.