103P/Hartley (Record n° 972)
Orbital period : 6.48 years
NASA/JPL elements
IAU/MPC elements
On 1997 Nov 02 05h46 UT by Nicolas BiverComa Total magnitude (m1) 11.3 Coma diameter 4 ' Coma condensation degree
(DC) 3 r (dist/Sun) 1.242 AU d (dist/Earth) 1.020 AU ICQ full report 103 1997 11 02.24 S 11.3 HS 25.6L 5 42 4 3 ICQ XX BIV
Instrument type Newton Instrument aperture (0=naked eye) 256 mm Instrument focale length 1280 mm Instrument focale/diameter 5 Sensor Eye Power magnification 42 X Magnitude visual estimation method
(ICQ code) S Reference stars catalog GSC Observation submission date 2010 Sep 30 11h28m14s