103P/Hartley (Record n° 1220)
Orbital period : 6.48 years
NASA/JPL elements
IAU/MPC elements
On 2010 Aug 16 00h43 UT by Nicolas BiverComa Total magnitude (m1) 12.3 Coma diameter 2.0 ' Coma condensation degree
(DC) 3 r (dist/Sun) 1.440 AU d (dist/Earth) 0.539 AU ICQ full report 103 2010 08 16.03 S 12.3 HS 40.7L 4 58 2.0 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 GSC Observation submission date 2010 Dec 06 18h41m03s