103P/Hartley (Record n° 980)
Orbital period : 6.48 years
NASA/JPL elements
IAU/MPC elements
On 1997 Dec 20 06h00 UT by Nicolas BiverComa Total magnitude (m1) 8.8 Coma diameter 4 ' Coma condensation degree
(DC) 3 r (dist/Sun) 1.032 AU d (dist/Earth) 0.852 AU ICQ full report 103 1997 12 20.25 S 8.8 TJ 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 TYCHO Observation submission date 2010 Sep 30 11h28m14s