103P/Hartley (Record n° 1064)
Orbital period : 6.48 years
NASA/JPL elements
IAU/MPC elements
On 2010 Oct 10 22h42 UT by Nicolas BiverComa Total magnitude (m1) 6.0 Coma diameter 27 ' Coma condensation degree
(DC) 3 Tail length 0 ° Tail position angle
(PA) 240 ° r (dist/Sun) 1.089 AU d (dist/Earth) 0.142 AU Instrument type Binoculars Instrument aperture (0=naked eye) 50 mm Sensor Eye Power magnification 7 X Magnitude visual estimation method
(ICQ code) S Sky transparency (naked eye max mag) 6 Location Ablis Reference stars catalog HIPPARC Observation submission date 2010 Oct 12 14h06m40s