103P/Hartley (Record n° 1232)
Orbital period : 6.48 years
NASA/JPL elements
IAU/MPC elements
On 2010 Oct 12 21h50 UT by Nicolas BiverComa Total magnitude (m1) 6.6 Coma diameter 20 ' Coma condensation degree
(DC) 2 r (dist/Sun) 1.083 AU d (dist/Earth) 0.135 AU ICQ full report 103 2010 10 12.91 S 6.6 HV 40.7L 5 58 20 2 ICQ XX BIV
Instrument type Newton Instrument aperture (0=naked eye) 407 mm Instrument focale length 2035 mm Instrument focale/diameter 5 Sensor Eye Power magnification 58 X Magnitude visual estimation method
(ICQ code) S Reference stars catalog HIPPARC Observation submission date 2010 Dec 06 18h41m03s