103P/Hartley (Record n° 976)
Orbital period : 6.48 years
NASA/JPL elements
IAU/MPC elements
On 1997 Nov 23 07h12 UT by Nicolas BiverComa Total magnitude (m1) 9.2 Coma diameter 5 ' Coma condensation degree
(DC) 4 r (dist/Sun) 1.109 AU d (dist/Earth) 0.951 AU ICQ full report 103 1997 11 23.30 S 9.2 S 25.6L 5 42 5 4 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