103P/Hartley (Record n° 1012)
Orbital period : 6.48 years
NASA/JPL elements
IAU/MPC elements
On 1998 Feb 28 06h00 UT by Nicolas BiverComa Total magnitude (m1) 11.1 Coma diameter 3 ' Coma condensation degree
(DC) 2 r (dist/Sun) 1.385 AU d (dist/Earth) 1.110 AU ICQ full report 103 1998 02 28.25 S 11.1 TJ 25.6L 5 42 3 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 TYCHO Observation submission date 2010 Sep 30 11h29m56s