1999 VK12
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	20 Oct 2025	27.7	2.591 AU	1.725 AU	23h41m	-12°42'	143.0°	13.4°

The interactive orbit chart above shows the body'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 1999 VK12 are:

            e (Eccentricity)                : 0.7766369
            a (Semimajor axis)              : 2.2071078
            i (Inclination)                 : 9.56023
            Ω (Longitude of ascending node) : 46.53562
            ω (Argument of perihelion)      : 105.28774
            M (Mean anomaly)                : 249.94697
            Epoch                           : 2025 May 05

            L (Longitude of perihelion)     : -27.97160
            B (Latitude of perihelion)      : 9.21892
            P (Orbital period in years)     : 3.28            
        

The light curve chart below shows the estimated development of the minor planet's magnitude.

The all-sky chart below shows the path of the minor planet over the same period as the light curve. The current position is marked yellow.

The following chart shows the path of the minor planet in the next few days. The field of view is optimized for (~10x50) binoculars and finderscopes.

Ephemerides:

Date       Time       RA (2000)    DEC (2000)    delta   radius  elong  phase   PA    magn
2025-10-20 00:00 UT   23 41 30.4   -12 42 54     1.725    2.591  143.0   13.4    53   27.7 
2025-10-20 23:20 UT   23 40 15.8   -12 46 51     1.726    2.583  141.8   13.8    54   27.7 
2025-10-21 00:00 UT   23 40 13.7   -12 46 57     1.726    2.583  141.8   13.8    54   27.7 
2025-10-22 00:00 UT   23 38 58.3   -12 50 47     1.728    2.576  140.5   14.2    54   27.7 
2025-10-23 00:00 UT   23 37 44.2   -12 54 22     1.730    2.568  139.3   14.6    55   27.7 
2025-10-24 00:00 UT   23 36 31.5   -12 57 43     1.733    2.560  138.1   15.1    56   27.7 
2025-10-25 00:00 UT   23 35 20.3   -13 00 49     1.735    2.553  136.8   15.5    56   27.8 
2025-10-26 00:00 UT   23 34 10.5   -13 03 40     1.738    2.545  135.6   15.9    57   27.8 
2025-10-27 00:00 UT   23 33 02.4   -13 06 17     1.741    2.538  134.4   16.3    57   27.8 
2025-10-28 00:00 UT   23 31 55.8   -13 08 39     1.744    2.530  133.1   16.7    58   27.8 
2025-10-29 00:00 UT   23 30 50.8   -13 10 47     1.748    2.522  131.9   17.0    58   27.8 
2025-10-30 00:00 UT   23 29 47.5   -13 12 40     1.751    2.514  130.7   17.4    59   27.8 
2025-10-31 00:00 UT   23 28 46.0   -13 14 18     1.755    2.507  129.5   17.8    59   27.8 
2025-11-01 00:00 UT   23 27 46.2   -13 15 42     1.759    2.499  128.3   18.2    59   27.8 
2025-11-02 00:00 UT   23 26 48.2   -13 16 52     1.763    2.491  127.1   18.5    60   27.8 
2025-11-03 00:00 UT   23 25 52.0   -13 17 47     1.767    2.483  125.9   18.9    60   27.8 
2025-11-04 00:00 UT   23 24 57.7   -13 18 28     1.772    2.475  124.8   19.2    60   27.9 
2025-11-05 00:00 UT   23 24 05.2   -13 18 55     1.776    2.467  123.6   19.6    61   27.9 
2025-11-06 00:00 UT   23 23 14.7   -13 19 08     1.781    2.459  122.4   19.9    61   27.9 
2025-11-07 00:00 UT   23 22 26.0   -13 19 07     1.786    2.451  121.3   20.2    61   27.9 
2025-11-08 00:00 UT   23 21 39.2   -13 18 53     1.791    2.443  120.1   20.5    62   27.9 
2025-11-09 00:00 UT   23 20 54.4   -13 18 25     1.796    2.435  119.0   20.9    62   27.9 
2025-11-10 00:00 UT   23 20 11.6   -13 17 43     1.801    2.427  117.8   21.2    62   27.9 
2025-11-11 00:00 UT   23 19 30.7   -13 16 48     1.807    2.419  116.7   21.5    63   27.9 
2025-11-12 00:00 UT   23 18 51.7   -13 15 40     1.812    2.411  115.6   21.7    63   27.9 
2025-11-13 00:00 UT   23 18 14.8   -13 14 19     1.818    2.403  114.4   22.0    63   27.9 
2025-11-14 00:00 UT   23 17 39.9   -13 12 45     1.823    2.394  113.3   22.3    63   27.9 
2025-11-15 00:00 UT   23 17 07.0   -13 10 59     1.829    2.386  112.2   22.6    64   27.9 
2025-11-16 00:00 UT   23 16 36.0   -13 08 59     1.835    2.378  111.1   22.8    64   28.0 
2025-11-17 00:00 UT   23 16 07.1   -13 06 47     1.841    2.369  110.1   23.1    64   28.0 
2025-11-18 00:00 UT   23 15 40.2   -13 04 23     1.847    2.361  109.0   23.3    64   28.0 
2025-11-19 00:00 UT   23 15 15.3   -13 01 46     1.853    2.353  107.9   23.6    64   28.0 

    Terminology:
            
    delta:  distance between minor planet and earth in AU
    radius: distance between minor planet 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-minor planet)    
    phase:  phase angle in degrees (angle sun-minor planet-earth)        
    AU:     Astronomical Unit (mean distance between earth and sun: 149597870.7 km
    

Orbital elements provided by 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.