A/2018 V3
ephemeris date magn radius delta ra dec elong phase PA
Today14 Dec 201820.23.673 AU2.907 AU02h57m-02°35'135.3°10.9°53°
Nearest approach19 Aug 201913.71.375 AU0.375 AU21h31m-29°25'163.0°12.4°16°
Perihelion9 Sep 201916.61.341 AU0.875 AU17h01m-21°15'90.6°48.7°96°
A/2018 V3 - 2018-12-14
astro.vanbuitenen.nl


 
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The interactive orbit chart above shows the comet's path through the solar system and its position at the given date. Green and blue lines are shown perpendicular to the ecliptic plane: Green if the path is above the ecliptic plane, blue if it is below. (Left-click and drag to rotate the view; Right-click and drag to move the view; Use scroll wheel to zoom in our out.)

The orbital elements of A/2018 V3, as provided by the minor planet center, are:

            e (eccentricity)                : 0.9897570
            q (perihelion distance)         : 1.34113
            i (inclination)                 : 164.97690
            Ω (Longitude of ascending node) : 308.65580
            ω (Argument of perihelion)      : 3.42300
            L (Longitude of perihelion)     : 305.34953
            B (Latitude of perihelion)      : 0.88678
            T (Time of perihelion passage)  : 2458735.14530
            P (Orbital period in years)     : 1498.19

            Family/Group:                   : Nearly isotropic
        

The lightcurve chart below shows the estimated development of the comet's magnitude. Blue and black dots are visual and photometric CCD observations respectively from COBS or the MPC Two lightcurves are shown: The gray curve indicates the expected brightness if this object is a comet (12.00 + 5 log[∆] + 10.00 log[r]), whereas the red curve indicates the expected lightcurve for an asteroid (H=14.40; G=.15).


The all-sky chart below shows the path of of the comet over the same period as the lightcurve. The comet's current position is marked yellow.





The following chart show the short-term path of the comet in a field of view that is optimized for (~10x50) binoculars and finderscopes.
A more printer-friendly versions of the same chart can be found further down this page as well.