103P/Hartley (Record n° 1224)
Orbital period : 6.48 years
NASA/JPL elements
IAU/MPC elements
On 2010 Sep 11 22h05 UT by Nicolas BiverComa Total magnitude (m1) 10.0 Coma diameter 7.0 ' Coma condensation degree 
    (DC) 3 r (dist/Sun)  1.240 AU d (dist/Earth)  0.315 AU ICQ full report 103        2010 09 11.92  S 10.0 TK 40.7L 4  58   7.0  3            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 Dec 06 18h41m03s