103P/Hartley (Record n° 1238)
Perihelion distance : 1.07 AU
Inclination to ecliptic : 14 °
Orbital period : 6.48 years
Eccentricity : 0.69
NASA/JPL elements
IAU/MPC elements
On 2010 Oct 18 02h53 UT by Nicolas BiverComa Total magnitude (m1) 5.8 Coma diameter 25 ' Coma condensation degree
(DC) 3 r (dist/Sun) 1.068 AU d (dist/Earth) 0.122 AU ICQ full report 103 2010 10 18.12 S 5.8 HV 0.6E 25 3 ICQ XX BIV
Instrument type Naked eye Instrument aperture (0=naked eye) 6 mm Sensor Eye Power magnification X Magnitude visual estimation method
(ICQ code) S Reference stars catalog (ast) HIPPARC Observation submission date 2010 Dec 06 18h41m04s