2019 TK1
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	20 Jan 2026	25.2	1.262 AU	0.571 AU	13h38m	+28°10'	105.3°	48.8°

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 2019 TK1 are:

            e (Eccentricity)                : 0.2103864
            a (Semimajor axis)              : 1.2976131
            i (Inclination)                 : 19.37546
            Ω (Longitude of ascending node) : 11.36464
            ω (Argument of perihelion)      : 33.13495
            M (Mean anomaly)                : 30.45860
            Epoch                           : 2025 Nov 21

            L (Longitude of perihelion)     : 42.98907
            B (Latitude of perihelion)      : 10.44798
            P (Orbital period in years)     : 1.48            
        

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
2026-01-20 00:00 UT   13 38 46.3   +28 10 38     0.571    1.262  105.3   48.8   285   25.2 
2026-01-20 09:12 UT   13 38 53.5   +28 09 07     0.570    1.263  105.6   48.6   285   25.2 
2026-01-21 00:00 UT   13 39 03.9   +28 06 44     0.567    1.265  106.1   48.4   284   25.2 
2026-01-22 00:00 UT   13 39 17.4   +28 03 01     0.564    1.268  106.8   48.0   284   25.2 
2026-01-23 00:00 UT   13 39 26.9   +27 59 28     0.560    1.271  107.6   47.6   283   25.1 
2026-01-24 00:00 UT   13 39 32.2   +27 56 05     0.557    1.275  108.4   47.1   283   25.1 
2026-01-25 00:00 UT   13 39 33.3   +27 52 53     0.553    1.278  109.2   46.7   282   25.1 
2026-01-26 00:00 UT   13 39 30.0   +27 49 50     0.550    1.281  110.0   46.3   281   25.1 
2026-01-27 00:00 UT   13 39 22.4   +27 46 55     0.546    1.284  110.8   45.8   281   25.1 
2026-01-28 00:00 UT   13 39 10.2   +27 44 09     0.542    1.287  111.6   45.3   280   25.0 
2026-01-29 00:00 UT   13 38 53.5   +27 41 30     0.539    1.291  112.5   44.8   279   25.0 
2026-01-30 00:00 UT   13 38 32.1   +27 38 58     0.535    1.294  113.3   44.4   279   25.0 
2026-01-31 00:00 UT   13 38 05.9   +27 36 32     0.531    1.297  114.2   43.8   278   25.0 
2026-02-01 00:00 UT   13 37 34.9   +27 34 12     0.527    1.300  115.1   43.3   277   24.9 
2026-02-02 00:00 UT   13 36 59.0   +27 31 57     0.524    1.303  116.0   42.8   276   24.9 
2026-02-03 00:00 UT   13 36 18.0   +27 29 47     0.520    1.306  117.0   42.3   276   24.9 
2026-02-04 00:00 UT   13 35 31.9   +27 27 40     0.516    1.310  117.9   41.7   275   24.9 
2026-02-05 00:00 UT   13 34 40.5   +27 25 35     0.513    1.313  118.9   41.1   274   24.8 
2026-02-06 00:00 UT   13 33 43.8   +27 23 32     0.509    1.316  119.9   40.5   273   24.8 
2026-02-07 00:00 UT   13 32 41.7   +27 21 29     0.506    1.319  120.8   39.9   272   24.8 
2026-02-08 00:00 UT   13 31 34.0   +27 19 26     0.502    1.322  121.9   39.3   271   24.8 
2026-02-09 00:00 UT   13 30 20.8   +27 17 20     0.499    1.325  122.9   38.7   271   24.7 
2026-02-10 00:00 UT   13 29 01.8   +27 15 12     0.495    1.328  123.9   38.0   270   24.7 
2026-02-11 00:00 UT   13 27 37.1   +27 12 59     0.492    1.331  125.0   37.4   269   24.7 
2026-02-12 00:00 UT   13 26 06.6   +27 10 39     0.488    1.334  126.1   36.7   268   24.6 
2026-02-13 00:00 UT   13 24 30.2   +27 08 11     0.485    1.337  127.2   36.0   267   24.6 
2026-02-14 00:00 UT   13 22 47.9   +27 05 34     0.482    1.341  128.3   35.3   266   24.6 
2026-02-15 00:00 UT   13 20 59.7   +27 02 45     0.479    1.344  129.4   34.6   264   24.6 
2026-02-16 00:00 UT   13 19 05.6   +26 59 43     0.476    1.347  130.6   33.9   263   24.5 
2026-02-17 00:00 UT   13 17 05.6   +26 56 26     0.473    1.350  131.7   33.1   262   24.5 
2026-02-18 00:00 UT   13 14 59.6   +26 52 51     0.470    1.353  132.9   32.4   261   24.5 
2026-02-19 00:00 UT   13 12 47.8   +26 48 57     0.467    1.356  134.1   31.6   260   24.4 

    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.