2020 TK3
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	12 Jan 2026	34.2	3.740 AU	4.375 AU	16h19m	-21°48'	44.7°	10.7°

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
2026-01-12 00:00 UT   16 19 16.6   -21 48 33     4.375    3.740   44.7   10.7   279   34.2 
2026-01-12 07:12 UT   16 19 34.3   -21 49 17     4.372    3.740   44.9   10.7   279   34.2 
2026-01-13 00:00 UT   16 20 15.4   -21 51 01     4.365    3.741   45.5   10.8   279   34.2 
2026-01-14 00:00 UT   16 21 13.9   -21 53 26     4.354    3.742   46.3   10.9   279   34.2 
2026-01-15 00:00 UT   16 22 11.9   -21 55 50     4.344    3.743   47.1   11.1   279   34.2 
2026-01-16 00:00 UT   16 23 09.5   -21 58 11     4.333    3.745   47.8   11.2   279   34.2 
2026-01-17 00:00 UT   16 24 06.7   -22 00 30     4.322    3.746   48.6   11.4   279   34.2 
2026-01-18 00:00 UT   16 25 03.4   -22 02 46     4.311    3.747   49.4   11.5   279   34.2 
2026-01-19 00:00 UT   16 25 59.7   -22 05 01     4.300    3.748   50.2   11.6   279   34.2 
2026-01-20 00:00 UT   16 26 55.5   -22 07 13     4.289    3.749   51.0   11.8   279   34.2 
2026-01-21 00:00 UT   16 27 50.8   -22 09 23     4.277    3.750   51.8   11.9   279   34.2 
2026-01-22 00:00 UT   16 28 45.7   -22 11 31     4.266    3.751   52.6   12.0   279   34.2 
2026-01-23 00:00 UT   16 29 40.0   -22 13 37     4.254    3.752   53.4   12.2   278   34.2 
2026-01-24 00:00 UT   16 30 33.8   -22 15 40     4.242    3.753   54.3   12.3   278   34.2 
2026-01-25 00:00 UT   16 31 27.1   -22 17 42     4.230    3.754   55.1   12.4   278   34.2 
2026-01-26 00:00 UT   16 32 19.9   -22 19 41     4.218    3.755   55.9   12.5   278   34.2 
2026-01-27 00:00 UT   16 33 12.1   -22 21 38     4.205    3.756   56.7   12.7   278   34.2 
2026-01-28 00:00 UT   16 34 03.8   -22 23 34     4.193    3.757   57.5   12.8   278   34.2 
2026-01-29 00:00 UT   16 34 54.9   -22 25 27     4.180    3.758   58.3   12.9   278   34.2 
2026-01-30 00:00 UT   16 35 45.5   -22 27 18     4.168    3.759   59.1   13.0   278   34.2 
2026-01-31 00:00 UT   16 36 35.5   -22 29 06     4.155    3.760   60.0   13.1   278   34.2 
2026-02-01 00:00 UT   16 37 24.9   -22 30 53     4.142    3.760   60.8   13.2   278   34.2 
2026-02-02 00:00 UT   16 38 13.7   -22 32 38     4.129    3.761   61.6   13.3   278   34.2 
2026-02-03 00:00 UT   16 39 01.8   -22 34 21     4.116    3.762   62.4   13.4   278   34.2 
2026-02-04 00:00 UT   16 39 49.4   -22 36 02     4.102    3.763   63.3   13.5   278   34.2 
2026-02-05 00:00 UT   16 40 36.4   -22 37 41     4.089    3.764   64.1   13.6   278   34.2 
2026-02-06 00:00 UT   16 41 22.7   -22 39 18     4.075    3.765   64.9   13.7   277   34.2 
2026-02-07 00:00 UT   16 42 08.3   -22 40 53     4.062    3.766   65.8   13.8   277   34.2 
2026-02-08 00:00 UT   16 42 53.3   -22 42 26     4.048    3.766   66.6   13.9   277   34.2 
2026-02-09 00:00 UT   16 43 37.7   -22 43 57     4.034    3.767   67.4   14.0   277   34.2 
2026-02-10 00:00 UT   16 44 21.3   -22 45 26     4.020    3.768   68.3   14.1   277   34.2 
2026-02-11 00:00 UT   16 45 04.2   -22 46 53     4.006    3.769   69.1   14.2   277   34.2 

    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.