P/2020 O1 (Lemmon-PANSTARRS)
ephemeris date magn radius delta ra dec elong phase PA
Today31 Jan 202321.52.867 AU1.905 AU09h48m+08°30'164.5°5.3°306°
Nearest approach12 Jun 202419.82.346 AU1.339 AU17h16m-13°53'170.5°4.1°169°
Perihelion20 Aug 202420.52.331 AU1.807 AU17h02m-16°13'108.2°24.3°98°
P/2020 O1 (Lemmon-PANSTARRS)- 2023-01-31

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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 P/2020 O1 (Lemmon-PANSTARRS) are:

            e (Eccentricity)                : 0.1189330
            q (Perihelion distance)         : 2.3308730
            i (Inclination)                 : 5.22550
            Ω (Longitude of ascending node) : 175.97470
            ω (Argument of perihelion)      : 104.51120
            L (Longitude of perihelion)     : 100.54389
            B (Latitude of perihelion)      : 5.05836
            T (Time of perihelion passage)  : 2460543.15400
            P (Orbital period in years)     : 4.30

            Epoch                           : 2023 Jan 31
            Reference                       : MPEC 2022-YB4

            Classification(s):              : Ecliptic; Encke type
            Tisserand (Jupiter)             : 3.377

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 based on the absolute magnitude and slope parameter as calculated from the original MPEC, or the latest values provided by the minor planet center. (15.50 + 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.

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