103P/Hartley (Record n° 984)
Orbital period : 6.48 years
NASA/JPL elements
IAU/MPC elements
On 1997 Dec 25 05h46 UT by Nicolas BiverComa Total magnitude (m1) 8.3 Coma diameter 6 ' Coma condensation degree
(DC) 5 r (dist/Sun) 1.033 AU d (dist/Earth) 0.838 AU ICQ full report 103 1997 12 25.24 B 8.3 TJ 5.0B 7 6 5 ICQ XX BIV
Instrument type Binoculars Instrument aperture (0=naked eye) 50 mm Sensor Eye Power magnification 7 X Magnitude visual estimation method
(ICQ code) B Reference stars catalog TYCHO Observation submission date 2010 Sep 30 11h28m14s