22P/Kopff (Record n° 717)
Orbital period : 6.38 years
NASA/JPL elements
IAU/MPC elements
On 2009 Aug 23 00h29 UT by Nicolas BiverComa Total magnitude (m1) 11.2 Coma diameter 2.5 ' Coma condensation degree
(DC) 4 Tail length 0.1 ° Tail position angle
(PA) 255 ° r (dist/Sun) 1.809 AU d (dist/Earth) 0.806 AU ICQ full report 22 2009 08 23.02 S 11.2 TK 40.7L 4 58 2.5 4 0.1 255 ICQ XX BIV
Instrument type Newton Instrument aperture (0=naked eye) 407 mm Instrument focale length 1628 mm Instrument focale/diameter 4 Sensor Eye Power magnification 58 X Magnitude visual estimation method
(ICQ code) S Reference stars catalog TYCHO2 Observation submission date 2010 Jul 13 01h31m57s