103P/Hartley (Record n° 1234)
Orbital period : 6.48 years
NASA/JPL elements
IAU/MPC elements
On 2010 Oct 17 01h12 UT by Nicolas BiverComa Total magnitude (m1) 5.7 Coma diameter 30 ' Coma condensation degree
(DC) 2 r (dist/Sun) 1.070 AU d (dist/Earth) 0.124 AU ICQ full report 103 2010 10 17.05 S 5.7 HV 0.6E 30 2 ICQ XX BIV
Instrument type Naked eye Instrument aperture (0=naked eye) 6 mm Sensor Eye Magnitude visual estimation method
(ICQ code) S Reference stars catalog HIPPARC Observation submission date 2010 Dec 06 18h41m03s