22P/Kopff (Record n° 711)
Orbital period : 6.38 years
NASA/JPL elements
IAU/MPC elements
On 2009 Mar 27 04h05 UT by Nicolas BiverComa Total magnitude (m1) 12.2 Coma diameter 1.5 ' Coma condensation degree
(DC) 2 r (dist/Sun) 1.686 AU d (dist/Earth) 1.510 AU ICQ full report 22 2009 03 27.17 S 12.2 HS 40.7L 4 135 1.5 2 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 135 X Magnitude visual estimation method
(ICQ code) S Reference stars catalog GSC Observation submission date 2010 Jul 13 01h31m57s