103P/Hartley (Record n° 974)
Orbital period : 6.48 years
NASA/JPL elements
IAU/MPC elements
On 1997 Nov 22 06h14 UT by Nicolas BiverComa Total magnitude (m1) 9.7 Coma diameter 4 ' Coma condensation degree
(DC) 5 r (dist/Sun) 1.114 AU d (dist/Earth) 0.955 AU ICQ full report 103 1997 11 22.26 S 9.7 S 25.6L 5 42 4 5 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 S Observation submission date 2010 Sep 30 11h28m14s