103P/Hartley (Record n° 1254)
Orbital period : 6.48 years
NASA/JPL elements
IAU/MPC elements
On 2010 Nov 08 12h43 UT by Nicolas BiverComa Total magnitude (m1) 5.9 Coma diameter 12 ' Coma condensation degree
(DC) 3 r (dist/Sun) 1.069 AU d (dist/Earth) 0.171 AU ICQ full report 103 2010 11 08.53 B 5.9 HV 0.6E 12 3 ICQ XX BIV
Instrument type Naked eye Instrument aperture (0=naked eye) 6 mm Sensor Eye Magnitude visual estimation method
(ICQ code) B Reference stars catalog HIPPARC Observation submission date 2010 Dec 06 18h41m04s