103P/Hartley (Record n° 992)
Orbital period : 6.48 years
NASA/JPL elements
IAU/MPC elements
On 1998 Jan 17 06h00 UT by Nicolas BiverComa Total magnitude (m1) 8.9 Coma diameter 4 ' Coma condensation degree
(DC) 6 Tail length 0.1 ° Tail position angle
(PA) 70 ° r (dist/Sun) 1.095 AU d (dist/Earth) 0.827 AU ICQ full report 103 1998 01 17.25 S 8.9 TJ 25.6L 5 42 4 6 0.1 70 ICQ XX BIV
Instrument type Newton Instrument aperture (0=naked eye) 256 mm Instrument focale length 1280 mm Instrument focale/diameter 5 Sensor Eye Power magnification 42 X Magnitude visual estimation method
(ICQ code) S Reference stars catalog TYCHO Observation submission date 2010 Sep 30 11h29m55s