103P/Hartley (Record n° 1003)
Orbital period : 6.48 years
NASA/JPL elements
IAU/MPC elements
On 1998 Feb 14 06h00 UT by Nicolas BiverComa Total magnitude (m1) 9.4 Coma diameter 4 ' Coma condensation degree
(DC) 4 r (dist/Sun) 1.272 AU d (dist/Earth) 0.972 AU ICQ full report 103 1998 02 14.25 S 9.4 TJ 5.0B 7 4 4 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) S Reference stars catalog TYCHO Observation submission date 2010 Sep 30 11h29m56s