Unclassified Comets (COM) are objects whose orbit does not match any defined comet orbit class. There are 548 Unclassified Comets in this database out of 962,651 total, accounting for 0.1% of objects.

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153P/Ikeya-Zhang
large Not Hazardous
153P/Ikeya-Zhang orbits the sun every 133,000 days, coming as close as 0.51 AU and reaching as far as 101.73 AU from the sun.
C/1680 V1
large Not Hazardous
C/1680 V1 orbits the sun every 0 days, coming as close as 0.00 AU and reaching as far as 888.80 AU from the sun.
C/1769 P1 (Messier)
large Not Hazardous
Messier orbits the sun every 0 days, coming as close as 0.13 AU and reaching as far as 326.87 AU from the sun.
C/1785 E1 (Mechain)
large Not Hazardous
Mechain orbits the sun every 0 days, coming as close as 0.42 AU and reaching as far as 240.98 AU from the sun.
C/1807 R1 (Great comet)
large Not Hazardous
Great comet orbits the sun every 0 days, coming as close as 0.64 AU and reaching as far as 285.76 AU from the sun.
C/1811 F1 (Great comet)
large Not Hazardous
Great comet orbits the sun every 0 days, coming as close as 1.04 AU and reaching as far as 423.76 AU from the sun.
C/1811 W1 (Pons)
large Not Hazardous
Pons orbits the sun every 276,000 days, coming as close as 1.58 AU and reaching as far as 164.18 AU from the sun.
C/1822 N1 (Pons)
large Not Hazardous
Pons orbits the sun every 0 days, coming as close as 1.15 AU and reaching as far as 620.45 AU from the sun.
C/1825 K1 (Gambart)
large Not Hazardous
Gambart orbits the sun every 0 days, coming as close as 0.89 AU and reaching as far as 492.31 AU from the sun.
C/1825 N1 (Pons)
large Not Hazardous
Pons orbits the sun every 0 days, coming as close as 1.25 AU and reaching as far as 541.95 AU from the sun.
C/1826 P1 (Pons)
large Not Hazardous
Pons orbits the sun every 0 days, coming as close as 0.85 AU and reaching as far as 679.35 AU from the sun.
C/1840 B1 (Galle)
large Not Hazardous
Galle orbits the sun every 0 days, coming as close as 1.23 AU and reaching as far as 360.37 AU from the sun.
C/1840 U1 (Bremiker)
large Not Hazardous
Bremiker orbits the sun every 104,000 days, coming as close as 1.48 AU and reaching as far as 85.42 AU from the sun.
C/1843 D1 (Great March comet)
large Not Hazardous
Great March comet orbits the sun every 187,000 days, coming as close as 0.01 AU and reaching as far as 128.53 AU from the sun.
C/1844 N1 (Mauvais)
large Not Hazardous
Mauvais orbits the sun every 0 days, coming as close as 0.70 AU and reaching as far as 7039.30 AU from the sun.
C/1844 Y1 (Great comet)
large Not Hazardous
Great comet orbits the sun every 0 days, coming as close as 0.25 AU and reaching as far as 717.55 AU from the sun.
C/1846 B1 (de Vico)
large Not Hazardous
de Vico orbits the sun every 0 days, coming as close as 1.48 AU and reaching as far as 388.32 AU from the sun.
C/1846 J1 (Brorsen)
large Not Hazardous
Brorsen orbits the sun every 197,000 days, coming as close as 0.63 AU and reaching as far as 131.59 AU from the sun.
C/1847 C1 (Hind)
large Not Hazardous
Hind orbits the sun every 0 days, coming as close as 0.05 AU and reaching as far as 946.55 AU from the sun.
C/1847 N1 (Mauvais)
large Not Hazardous
Mauvais orbits the sun every 0 days, coming as close as 1.75 AU and reaching as far as 2502.25 AU from the sun.