A/2019 O3
ephemeris date magn radius delta ra dec elong phase PA
Today24 Aug 201919.79.393 AU8.673 AU19h28m+12°54'133.1°4.5°119°
Nearest approach22 Jul 202019.68.919 AU8.273 AU19h24m+32°00'126.8°5.2°167°
Perihelion5 Mar 202119.88.822 AU9.224 AU19h41m+35°45'63.3°5.8°300°
A/2019 O3 - 2019-08-24
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/2019 O3, as provided by the minor planet center, are:

            e (eccentricity)                : 1.0000000
            q (perihelion distance)         : 8.82234
            i (inclination)                 : 89.80644
            Ω (Longitude of ascending node) : 300.37618
            ω (Argument of perihelion)      : 59.92150
            L (Longitude of perihelion)     : 300.71037
            B (Latitude of perihelion)      : 59.92094
            T (Time of perihelion passage)  : 2459279.31545
            P (Orbital period in years)     : > 9999.99 

            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 (5.30 + 5 log[∆] + 10.00 log[r]), whereas the red curve indicates the expected lightcurve for an asteroid (H=9.80; 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.