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103P/Hartley

Perihelion distance : 1.07 AU
Inclination to ecliptic : 14 °
Orbital period : 6.48 years
Eccentricity : 0.69

NASA/JPL elements
IAU/MPC elements


On 1998 Mar 01 06h14 UT by Nicolas Biver

Coma Total magnitude (m1)10.8
Coma diameter3 '
Coma condensation degree (DC)2
r (dist/Sun) 1.393 AU
d (dist/Earth) 1.122 AU
ICQ full report
103        1998 03 01.26  S 10.8 TJ 25.6L 5  42   3    2            ICQ XX BIV
Instrument typeNewton
Instrument aperture (0=naked eye)256 mm
Instrument focale/diameter5
SensorEye
Power magnification 42 X
Magnitude visual estimation method (ICQ code)S
Reference stars catalog (ast)TYCHO
Observation submission date2010 Sep 30 11h29m56s

(Record n° 1013)

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