| Proper Name | de Vico | | Designation | 122P | | Orbital inclination to the Ecliptic | 85.3° | | Orbital Period | 73 years, 362 days | | Distance from the Sun | Semi-Major Axis: 2,645,010,000 km (17.68 AU)
Perihelion: 99,759,000 km (0.67 AU)
Aphelion: 5,190,261,000 km (34.69 AU) | | Eccentricity | 0.9623 | | Notes | First identified in 1846, this is one of six comets to carry the name of its discoverer Francesco de Vico. The pattern of the comet's strongly inclined orbit suggests that it originated as a fragment of Comet Pons-Brooks that calved off to become a smaller comet in its own right. |
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