12P/Pons-Brooks
ephemeris date magn radius delta ra dec elong phase PA
Perihelion21 Apr 20243.70.781 AU1.605 AU03h28m+09°50'22.7°29.7°97°
Nearest approach2 Jun 20245.51.099 AU1.546 AU05h52m-19°32'45.2°40.9°157°
Today8 Oct 202412.12.735 AU3.368 AU14h05m-47°31'43.7°14.6°155°
12P/Pons-Brooks- 2024-10-08
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 12P/Pons-Brooks are:

            e (Eccentricity)                : 0.9545720
            q (Perihelion distance)         : 0.7808060
            i (Inclination)                 : 74.19200
            Ω (Longitude of ascending node) : 255.85570
            ω (Argument of perihelion)      : 198.98970
            L (Longitude of perihelion)     : 261.21125
            B (Latitude of perihelion)      : -18.24564
            T (Time of perihelion passage)  : 2460421.62520
            P (Orbital period in years)     : 71.26

            Epoch                           : 2024 Oct 07
            Reference                       : MPEC 2024-RQ6

            Classification(s):              : Nearly isotropic; Returning (a < 10000 AU); Halley type (P < 200 years)
        

The light curve 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. The light curve is estimated manually by the author. (4.00 + 5 log[∆] + 12.50 log[r]).