Earth Astronomical symbol of Earth
Orbital characteristics
Epoch J2000
Aphelion152100000 km
(94500000 mi; 1.017 AU)
Perihelion147095000 km
(91401000 mi; 0.98327 AU)
Semi-major axis
149598023 km
(92955902 mi; 1.00000102 AU)
Eccentricity6998167086000000000♠0.0167086
Orbital period
365.256363004 d
(1.00001742096 yr)
Average orbital speed
29.78 km/s
(107200 km/h; 66600 mph)
Mean anomaly
7000625904740362451♠358.617°
Inclination
  • 6999124878307980194♠7.155° to the Sun's equator;
  • 6998275533383683093♠1.57869° to invariable plane;
  • 6993872664625997166♠0.00005° to J2000 ecliptic
Longitude of ascending node
3000803464756118225♠−11.26064° to J2000 ecliptic
Argument of perihelion
7000199330266505796♠114.20783°
Satellites
  • 1 natural satellite: the Moon
  • 5 quasi-satellites
  • >1 800 operational artificial satellites
  • >16 000 space debris