C/2012 K1 (PANSTARRS)
ephemeris date magn radius delta ra dec elong phase PA
Perihelion27 Aug 20146.81.045 AU1.949 AU09h07m+08°49'18.8°18.2°265°
Nearest approach30 Oct 20146.61.478 AU0.951 AU06h12m-48°46'99.0°41.6°303°
Today19 Apr 202424.724.480 AU24.826 AU21h33m-15°05'68.7°2.2°251°
C/2012 K1 (PANSTARRS)- 2024-04-19
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.)

The orbital elements of C/2012 K1 (PANSTARRS) are:

            e (Eccentricity)                : 1.0001510
            q (Perihelion distance)         : 1.0447730
            i (Inclination)                 : 142.21400
            Ω (Longitude of ascending node) : 317.80660
            ω (Argument of perihelion)      : 202.98500
            L (Longitude of perihelion)     : 299.27440
            B (Latitude of perihelion)      : -13.84280
            T (Time of perihelion passage)  : 2456897.05530

            Epoch                           : 2020 Sep 26
            Reference                       : MPC103843

            Classification(s):              : Nearly isotropic; New (a > 10000 AU)
        

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 (5.60 + 5 log[∆] + 8.00 log[r]), whereas the red curve is being recalculated every 6 hours based on the available COBS/MPC observations (currently 5.15 + 5 log[∆] + 9.07 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.


The following chart shows the current location of the comet in a smaller, upside-down telescopic field of view.


A printable version of the short-term path of the comet in a field of view that is optimized for (~10x50) binoculars and finderscopes.



Ephemerides:
Date       Time       RA (2000)    DEC (2000)    delta   radius  elong  phase   PA    magn
2024-04-19 00:00 UT   21 33 02.6   -15 06 02    24.829   24.478   68.4    2.2   251   24.7 
2024-04-19 08:04 UT   21 33 03.6   -15 05 56    24.826   24.480   68.7    2.2   251   24.7 
2024-04-20 00:00 UT   21 33 05.5   -15 05 44    24.818   24.483   69.4    2.2   251   24.7 
2024-04-21 00:00 UT   21 33 08.2   -15 05 27    24.807   24.488   70.3    2.2   251   24.7 
2024-04-22 00:00 UT   21 33 10.8   -15 05 10    24.796   24.493   71.3    2.2   251   24.7 
2024-04-23 00:00 UT   21 33 13.2   -15 04 54    24.784   24.497   72.3    2.2   251   24.7 
2024-04-24 00:00 UT   21 33 15.5   -15 04 39    24.773   24.502   73.2    2.3   251   24.7 
2024-04-25 00:00 UT   21 33 17.6   -15 04 25    24.761   24.507   74.2    2.3   251   24.7 
2024-04-26 00:00 UT   21 33 19.6   -15 04 11    24.750   24.512   75.2    2.3   251   24.7 
2024-04-27 00:00 UT   21 33 21.4   -15 03 58    24.738   24.517   76.1    2.3   251   24.7 
2024-04-28 00:00 UT   21 33 23.1   -15 03 46    24.726   24.522   77.1    2.3   251   24.7 
2024-04-29 00:00 UT   21 33 24.6   -15 03 34    24.714   24.526   78.1    2.3   251   24.7 


    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.