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Comet Thatcher

Comet C/1861 G1 Thatcher

Proper NameThatcher
DesignationC/1861 G1
Orbital inclination to the Ecliptic79.8°
Orbital Period415.5 years
Distance from the SunSemi-Major Axis: 8,329,892,000 km (55.68 AU)
Perihelion: 137,735,000 km (0.92 AU)
Aphelion: 16,522,049,000 km (110.44 AU)
NotesA comet orbiting the Sun well outside the plane of the Ecliptic with an exceptionally long period. Its last close approach to the Sun was in the year of its discovery, 1861, and the comet will not be seen again in the inner Solar System until its next perihelion in the year 2277.