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P/2022 L3 (ATLAS)
ephemeris date magn radius delta ra dec elong phase PA
Perihelion29 Oct 202215.32.425 AU1.439 AU 02h29m+21°33'171.1°3.6°205°
Nearest approach1 Nov 202215.32.425 AU1.438 AU 02h27m+21°56'172.4°3.1°184°
Today11 Nov 202523.87.295 AU7.952 AU 12h33m+07°41'45.7°5.6°304°
P/2022 L3 (ATLAS)- 2025-11-11
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.)


Light curve

The light curve chart below shows the estimated development of the comet's magnitude. Blue and black dots are visual and photometric CCD observations from COBS. This lightcurve is being recalculated every 6 hours based on the available COBS/MPC observations (currently 10.7 + 5 log[∆] + 10.0 log[r]). An additional green curve is displayed when an increase in apparent brightness is expected due to forward scattering of sunlight, which occurs when a dust-rich comet is located between the Earth and the Sun. (See Marcus 2007)



Charts

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.




Orbital elements

The orbital elements of P/2022 L3 (ATLAS) are: 

    e (Eccentricity)                : 0.6272940
    q (Perihelion distance)         : 2.4252210
    i (Inclination)                 : 21.53420
    Ω (Longitude of ascending node) : 29.83000
    ω (Argument of perihelion)      : 10.42430
    L (Longitude of perihelion)     : 39.54103
    B (Latitude of perihelion)      : 3.80804
    T (Time of perihelion passage)  : 2459882.20030
    P (Orbital period in years)     : 16.60

    Epoch                           : 2025 Nov 11
    Reference                       : MPEC 2024-DC6

    Classification(s):              : Ecliptic; Jupiter family
    Tisserand (Jupiter)             : 2.420

Ephemerides

Date       Time       RA (2000)    DEC (2000)    delta   radius  elong  phase   PA    magn
2025-11-10 00:00 UT   12 33 06.4   +07 46 58     7.968    7.288   44.0    5.4   305   23.8 
2025-11-11 00:00 UT   12 33 33.2   +07 44 24     7.960    7.292   44.9    5.5   304   23.8 
2025-11-11 22:51 UT   12 33 58.6   +07 41 59     7.952    7.295   45.7    5.6   304   23.8 
2025-11-12 00:00 UT   12 33 59.8   +07 41 52     7.952    7.295   45.7    5.6   304   23.8 
2025-11-13 00:00 UT   12 34 26.2   +07 39 23     7.944    7.299   46.6    5.7   304   23.8 
2025-11-14 00:00 UT   12 34 52.2   +07 36 57     7.935    7.303   47.4    5.7   303   23.8 
2025-11-15 00:00 UT   12 35 18.0   +07 34 33     7.927    7.306   48.3    5.8   303   23.8 
2025-11-16 00:00 UT   12 35 43.6   +07 32 12     7.918    7.310   49.2    5.9   303   23.8 
2025-11-17 00:00 UT   12 36 08.8   +07 29 54     7.909    7.314   50.0    5.9   302   23.8 
2025-11-18 00:00 UT   12 36 33.7   +07 27 39     7.900    7.317   50.9    6.0   302   23.8 
2025-11-19 00:00 UT   12 36 58.4   +07 25 27     7.891    7.321   51.8    6.1   302   23.8 
2025-11-20 00:00 UT   12 37 22.7   +07 23 18     7.882    7.325   52.7    6.2   302   23.8 
2025-11-21 00:00 UT   12 37 46.7   +07 21 12     7.872    7.328   53.5    6.2   301   23.8 




    Terminology:
            
    delta:  distance between comet and earth in AU
    radius: distance between comet and sun in AU
    magn:   magnitude (brightness) estimate    
    ra:     right ascension in hours (24h = 360deg)
    dec:    declination in degrees
    elong:  elongation in degrees (angle sun-earth-comet)    
    phase:  phase angle in degrees (angle sun-comet-earth)        
    AU:     Astronomical Unit (mean distance between earth and sun: 149597870.7 km

Orbital elements usually provided by the MPC (Minor Planet Center).
Observations contributed by observers worldwide, via COBS (Comet Observation Database) or the MPC (Minor Planet Center)
Calculations by a modified version of AAPlus, a C# implementation of the AA+ project by PJ Naughter from the algorithms presented in the book "Astronomical Algorithms" by Jean Meeus.
NGC2000 dso catalog and star labels from VizieR as provided by the Strasbourg astronomical Data Center.
Tycho2 catalog from the ESO archive.

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