ephemeris date magn radius delta ra dec elong phase PA
Perihelion28 Jan 202115.51.751 AU1.028 AU12h37m+04°07'120.9°28.9°289°
Nearest approach9 Mar 202115.31.806 AU0.882 AU13h19m+14°46'148.8°16.6°253°
Today24 Apr 202426.57.870 AU8.030 AU21h13m-11°47'77.3°7.2°254°
409P/LONEOS-Hill- 2024-04-24

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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 409P/LONEOS-Hill are:

            e (Eccentricity)                : 0.7098460
            q (Perihelion distance)         : 1.7508410
            i (Inclination)                 : 17.13390
            Ω (Longitude of ascending node) : 143.64850
            ω (Argument of perihelion)      : 15.05660
            L (Longitude of perihelion)     : 158.06532
            B (Latitude of perihelion)      : 4.38918
            T (Time of perihelion passage)  : 2459242.59590
            P (Orbital period in years)     : 14.82

            Epoch                           : 2024 Apr 23
            Reference                       : MPEC 2022-ED3

            Classification(s):              : Ecliptic; Jupiter family
            Tisserand (Jupiter)             : 2.312

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 gray curve is based on the absolute magnitude and slope parameter as calculated from the original MPEC, or the latest values provided by the MPC (14.00 + 5 log[∆] + 10.00 log[r]), whereas the red curve is being recalculated every 6 hours based on the available COBS/MPC observations (currently 12.98 + 5 log[∆] + 10.00 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.