103P/Hartley (Record n° 1017)
Orbital period : 6.48 years
NASA/JPL elements
IAU/MPC elements
On 1998 Mar 20 06h14 UT by Nicolas BiverComa Total magnitude (m1) 11.7 Coma diameter 2 ' Coma condensation degree
(DC) 2 r (dist/Sun) 1.559 AU d (dist/Earth) 1.368 AU ICQ full report 103 1998 03 20.26 S 11.7 HS 25.6L 5 42 2 2 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 11h29m56s