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P/2022 C1 (PANSTARRS)
ephemeris date magn radius delta ra dec elong phase PA
Perihelion6 Nov 202121.03.988 AU3.920 AU 09h18m+16°30'86.7°14.4°288°
Nearest approach3 Feb 202220.54.021 AU3.036 AU 09h18m+18°16'176.7°0.8°241°
Today28 May 202625.58.277 AU7.277 AU 17h01m-19°22'170.1°1.2°256°
P/2022 C1 (PANSTARRS)- 2026-05-28
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. (12.0 + 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/2022 C1 (PANSTARRS) are: 

    e (Eccentricity)                : 0.4491910
    q (Perihelion distance)         : 3.9877120
    i (Inclination)                 : 4.76350
    Ω (Longitude of ascending node) : 113.09460
    ω (Argument of perihelion)      : 9.54890
    L (Longitude of perihelion)     : 122.61112
    B (Latitude of perihelion)      : 0.78933
    T (Time of perihelion passage)  : 2459524.67010
    P (Orbital period in years)     : 19.48

    Epoch                           : 2026 May 27
    Reference                       : MPC194179

    Classification(s):              : Ecliptic; Jupiter family
    Tisserand (Jupiter)             : 2.819

Ephemerides

Date       Time       RA (2000)    DEC (2000)    delta   radius  elong  phase   PA    magn
2026-05-27 00:00 UT   17 01 36.4   -19 23 26     7.278    8.274  168.7    1.4   259   25.5 
2026-05-28 00:00 UT   17 01 13.0   -19 22 58     7.277    8.276  169.7    1.3   257   25.5 
2026-05-28 10:22 UT   17 01 02.8   -19 22 45     7.277    8.277  170.1    1.2   256   25.5 
2026-05-29 00:00 UT   17 00 49.5   -19 22 29     7.277    8.278  170.6    1.1   255   25.5 
2026-05-30 00:00 UT   17 00 25.9   -19 22 00     7.276    8.281  171.6    1.0   253   25.5 
2026-05-31 00:00 UT   17 00 02.2   -19 21 32     7.277    8.283  172.6    0.9   249   25.5 
2026-06-01 00:00 UT   16 59 38.4   -19 21 03     7.277    8.285  173.5    0.8   245   25.5 
2026-06-02 00:00 UT   16 59 14.6   -19 20 35     7.278    8.288  174.4    0.7   240   25.5 
2026-06-03 00:00 UT   16 58 50.8   -19 20 07     7.279    8.290  175.2    0.6   232   25.5 
2026-06-04 00:00 UT   16 58 26.9   -19 19 40     7.280    8.293  175.9    0.5   222   25.5 
2026-06-05 00:00 UT   16 58 03.0   -19 19 12     7.282    8.295  176.4    0.4   209   25.5 
2026-06-06 00:00 UT   16 57 39.1   -19 18 45     7.284    8.297  176.7    0.4   192   25.5 
2026-06-07 00:00 UT   16 57 15.3   -19 18 18     7.286    8.300  176.6    0.4   174   25.5 




    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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