103P/Hartley (Record n° 1223)
Orbital period : 6.48 years
NASA/JPL elements
IAU/MPC elements
On 2010 Sep 10 20h10 UT by Nicolas BiverComa Total magnitude (m1) 10.0 Coma diameter 6.0 ' Coma condensation degree
(DC) 3 r (dist/Sun) 1.247 AU d (dist/Earth) 0.322 AU ICQ full report 103 2010 09 10.84 S 10.0 TK 40.7L 4 58 6.0 3 ICQ XX BIV
Instrument type Newton Instrument aperture (0=naked eye) 407 mm Instrument focale length 1628 mm Instrument focale/diameter 4 Sensor Eye Power magnification 58 X Magnitude visual estimation method
(ICQ code) S Reference stars catalog TYCHO2 Observation submission date 2010 Dec 06 18h41m03s