103P/Hartley (Record n° 973)
Orbital period : 6.48 years
NASA/JPL elements
IAU/MPC elements
On 1997 Oct 26 08h10 UT by Nicolas BiverComa Total magnitude (m1) 12.0 Coma diameter 2 ' Coma condensation degree
(DC) 2 r (dist/Sun) 1.295 AU d (dist/Earth) 1.036 AU ICQ full report 103 1997 10 26.34 S 12.0 HS 25.6L 5 84 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 84 X Magnitude visual estimation method
(ICQ code) S Reference stars catalog GSC Observation submission date 2010 Sep 30 11h28m14s