ephemeris date magn radius delta ra dec elong phase PA
Today18 Apr 20243.70.783 AU1.607 AU03h17m+11°55'22.7°29.6°90°
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°31'45.2°40.9°157°
12P/Pons-Brooks- 2024-04-18

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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)                : 0.9546190
            q (Perihelion distance)         : 0.7807800
            i (Inclination)                 : 74.19160
            Ω (Longitude of ascending node) : 255.85590
            ω (Argument of perihelion)      : 198.98890
            L (Longitude of perihelion)     : 261.21134
            B (Latitude of perihelion)      : -18.24484
            T (Time of perihelion passage)  : 2460421.62370
            P (Orbital period in years)     : 71.36

            Epoch                           : 2024 Apr 17
            Reference                       : MPEC 2024-GJ3

            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 based on previous apparitions. (4.00 + 5 log[∆] + 12.50 log[r]).

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