2020 TK3
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	13 Nov 2025	33.7	3.648 AU	4.637 AU	15h13m	-18°13'	0.4°	0.1°

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 2020 TK3 are:

            e (Eccentricity)                : 0.6135495
            a (Semimajor axis)              : 2.3500301
            i (Inclination)                 : 0.97573
            Ω (Longitude of ascending node) : 28.85666
            ω (Argument of perihelion)      : 34.80046
            M (Mean anomaly)                : 141.02138
            Epoch                           : 2025 Nov 21

            L (Longitude of perihelion)     : 63.65323
            B (Latitude of perihelion)      : 0.55685
            P (Orbital period in years)     : 3.60            
        

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
2025-11-13 00:00 UT   15 13 00.4   -18 13 18     4.637    3.648    0.4    0.1   153   33.7 
2025-11-13 02:43 UT   15 13 08.2   -18 13 50     4.638    3.648    0.3    0.1   163   33.7 
2025-11-14 00:00 UT   15 14 09.8   -18 17 54     4.639    3.650    0.5    0.1   252   33.7 
2025-11-15 00:00 UT   15 15 19.3   -18 22 27     4.640    3.652    1.2    0.3   271   33.7 
2025-11-16 00:00 UT   15 16 28.7   -18 26 59     4.642    3.653    1.9    0.5   276   33.7 
2025-11-17 00:00 UT   15 17 38.2   -18 31 29     4.643    3.655    2.6    0.7   279   33.8 
2025-11-18 00:00 UT   15 18 47.6   -18 35 57     4.644    3.657    3.4    0.9   280   33.8 
2025-11-19 00:00 UT   15 19 57.0   -18 40 24     4.644    3.659    4.1    1.1   281   33.8 
2025-11-20 00:00 UT   15 21 06.5   -18 44 48     4.645    3.661    4.8    1.3   281   33.8 
2025-11-21 00:00 UT   15 22 15.9   -18 49 11     4.645    3.663    5.5    1.5   282   33.8 
2025-11-22 00:00 UT   15 23 25.2   -18 53 32     4.645    3.665    6.3    1.7   282   33.8 
2025-11-23 00:00 UT   15 24 34.5   -18 57 51     4.645    3.666    7.0    1.9   282   33.9 
2025-11-24 00:00 UT   15 25 43.8   -19 02 08     4.644    3.668    7.7    2.1   282   33.9 
2025-11-25 00:00 UT   15 26 53.0   -19 06 23     4.644    3.670    8.4    2.3   282   33.9 
2025-11-26 00:00 UT   15 28 02.2   -19 10 36     4.643    3.672    9.2    2.5   282   33.9 
2025-11-27 00:00 UT   15 29 11.3   -19 14 47     4.642    3.673    9.9    2.6   282   33.9 
2025-11-28 00:00 UT   15 30 20.3   -19 18 57     4.640    3.675   10.6    2.8   282   33.9 
2025-11-29 00:00 UT   15 31 29.3   -19 23 04     4.639    3.677   11.4    3.0   282   33.9 
2025-11-30 00:00 UT   15 32 38.2   -19 27 09     4.637    3.679   12.1    3.2   282   34.0 
2025-12-01 00:00 UT   15 33 47.0   -19 31 12     4.635    3.680   12.8    3.4   282   34.0 
2025-12-02 00:00 UT   15 34 55.7   -19 35 13     4.633    3.682   13.6    3.6   282   34.0 
2025-12-03 00:00 UT   15 36 04.3   -19 39 12     4.631    3.684   14.3    3.8   282   34.0 
2025-12-04 00:00 UT   15 37 12.8   -19 43 09     4.628    3.685   15.0    4.0   282   34.0 
2025-12-05 00:00 UT   15 38 21.2   -19 47 04     4.626    3.687   15.8    4.2   282   34.0 
2025-12-06 00:00 UT   15 39 29.5   -19 50 56     4.623    3.689   16.5    4.4   282   34.0 
2025-12-07 00:00 UT   15 40 37.7   -19 54 47     4.620    3.690   17.3    4.5   282   34.0 
2025-12-08 00:00 UT   15 41 45.8   -19 58 36     4.616    3.692   18.0    4.7   282   34.0 
2025-12-09 00:00 UT   15 42 53.7   -20 02 22     4.613    3.693   18.7    4.9   282   34.1 
2025-12-10 00:00 UT   15 44 01.5   -20 06 06     4.609    3.695   19.5    5.1   282   34.1 
2025-12-11 00:00 UT   15 45 09.2   -20 09 48     4.605    3.697   20.2    5.3   282   34.1 
2025-12-12 00:00 UT   15 46 16.7   -20 13 28     4.601    3.698   21.0    5.5   282   34.1 
2025-12-13 00:00 UT   15 47 24.0   -20 17 06     4.596    3.700   21.7    5.7   282   34.1 

    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.