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P/2019 X2 (PANSTARRS)
ephemeris date magn radius delta ra dec elong phase PA
Today3 Nov 202525.63.382 AU2.858 AU 22h03m+07°56'113.8°15.6°77°
Perihelion15 Nov 202621.41.815 AU1.424 AU 09h02m+05°14'95.8°32.8°288°
Nearest approach29 Jan 202721.01.935 AU1.043 AU 09h29m-15°06'145.1°17.0°341°
P/2019 X2 (PANSTARRS)- 2025-11-03
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. The light curve is based on the absolute magnitude and slope parameter as calculated from an MPEC, or the latest values provided by the minor planet center. (18.0 + 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/2019 X2 (PANSTARRS) are: 

    e (Eccentricity)                : 0.5005090
    q (Perihelion distance)         : 1.8149050
    i (Inclination)                 : 15.89470
    Ω (Longitude of ascending node) : 250.82630
    ω (Argument of perihelion)      : 213.53810
    L (Longitude of perihelion)     : 283.34379
    B (Latitude of perihelion)      : -8.70291
    T (Time of perihelion passage)  : 2461359.79900
    P (Orbital period in years)     : 6.93

    Epoch                           : 2025 Nov 02
    Reference                       : MPEC 2020-C98

    Classification(s):              : Ecliptic; Jupiter family
    Tisserand (Jupiter)             : 2.824

Ephemerides

Date       Time       RA (2000)    DEC (2000)    delta   radius  elong  phase   PA    magn
2025-11-02 00:00 UT   22 03 18.7   +08 02 42     2.848    3.388  114.9   15.4    78   25.6 
2025-11-03 00:00 UT   22 03 24.4   +07 57 24     2.856    3.383  114.0   15.5    77   25.6 
2025-11-03 04:33 UT   22 03 25.6   +07 56 24     2.858    3.382  113.8   15.6    77   25.6 
2025-11-04 00:00 UT   22 03 31.3   +07 52 12     2.865    3.379  113.1   15.7    77   25.6 
2025-11-05 00:00 UT   22 03 39.5   +07 47 07     2.873    3.374  112.1   15.8    76   25.6 
2025-11-06 00:00 UT   22 03 48.9   +07 42 07     2.881    3.369  111.2   15.9    76   25.6 
2025-11-07 00:00 UT   22 03 59.5   +07 37 15     2.890    3.364  110.3   16.0    76   25.6 
2025-11-08 00:00 UT   22 04 11.3   +07 32 28     2.898    3.359  109.4   16.2    75   25.6 
2025-11-09 00:00 UT   22 04 24.3   +07 27 49     2.907    3.354  108.4   16.3    75   25.6 
2025-11-10 00:00 UT   22 04 38.4   +07 23 16     2.916    3.350  107.5   16.4    74   25.6 
2025-11-11 00:00 UT   22 04 53.8   +07 18 50     2.924    3.345  106.6   16.5    74   25.6 
2025-11-12 00:00 UT   22 05 10.3   +07 14 31     2.933    3.340  105.7   16.6    74   25.6 
2025-11-13 00:00 UT   22 05 28.1   +07 10 19     2.942    3.335  104.8   16.7    73   25.6 




    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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