Comet 103P/Hartley

Lightcurve of 103P/Hartley
The orbital elements of 103P/Hartley (source: http://astro.vanbuitenen.nl/)
q (perihelion distance) 1.064153
a (semi-major axes) 3.474456
e (eccentricity) 0.693721
ω (argument of perihelion) 181.3028
Ω (Longitude of ascending node) 219.7490
i (inclination) 13.6107
P (Orbital period in years) 6.4766
T (time of perihelion passage) 2023-10-12 12:07:55
JD2460230.0063
Epoch 2024 May 08
Reference MPEC 2024-JC2
Magnitude parameteres (source: COBS last year)
Absolute magnitude 10.9
Slope parameter 6.9
Ephemeris of 103P/Hartley for location Crni Vrh Observatory
Date J(2000) Comet Sky Motion Object Moon
UTC RA Dec Delta r Elong Phase Mag "/min PA Azi Alt Phase Dist.

Terminology:

RA right ascension in hours
Dec declination in degrees
Delta distance between comet and Earth (AU)
r distance between comet and Sun (AU)
Elong elongation - the angle between the Sun and comet
Phase percent of surface illuminated
Mag magnitude - brightness estimate