Discovered in 1985, Cruithne was first thought to be a moon but is in fact a planetoid that shares Earth’s orbit. As seen from Earth it has a very strange, 770 year long, horse-shoe formed orbit.
Astronomy Pix of the Fortnight XLVII
← Astronomy Pix of the Fortnight XLVII
Discovered in 1985, Cruithne was first thought to be a moon but is in fact a planetoid that shares Earth’s orbit. As seen from Earth it has a very strange, 770 year long, horse-shoe formed orbit.