103P/Hartley (Record n° 1255)
Orbital period : 6.48 years
NASA/JPL elements
IAU/MPC elements
On 2010 Nov 09 12h43 UT by Nicolas BiverComa Total magnitude (m1) 6.3 Coma diameter 18 ' Coma condensation degree
(DC) 2 r (dist/Sun) 1.071 AU d (dist/Earth) 0.175 AU ICQ full report 103 2010 11 09.53 S 6.3 HV 5.0R 5 8 18 2 ICQ XX BIV
Instrument type Refractor Instrument aperture (0=naked eye) 50 mm Instrument focale length 250 mm Instrument focale/diameter 5 Sensor Eye Power magnification 8 X Magnitude visual estimation method
(ICQ code) S Reference stars catalog HIPPARC Observation submission date 2010 Dec 06 18h41m04s