2013 TD
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	25 Jun 2026	32.8	3.425 AU	3.399 AU	11h44m	+01°14'	82.9°	17.1°

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 2013 TD are:

            e (Eccentricity)                : 0.5668242
            a (Semimajor axis)              : 2.3121608
            i (Inclination)                 : 0.43538
            Ω (Longitude of ascending node) : 254.89882
            ω (Argument of perihelion)      : 101.14660
            M (Mean anomaly)                : 168.45721
            Epoch                           : 2025 Nov 21

            L (Longitude of perihelion)     : 176.04573
            B (Latitude of perihelion)      : 0.42717
            P (Orbital period in years)     : 3.52            
        

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
2026-06-25 00:00 UT   11 44 40.4   +01 14 14     3.399    3.425   82.9   17.1   113   32.8 
2026-06-25 21:11 UT   11 45 05.1   +01 11 41     3.411    3.423   82.1   17.1   113   32.8 
2026-06-26 00:00 UT   11 45 08.4   +01 11 20     3.412    3.423   82.1   17.1   113   32.8 
2026-06-27 00:00 UT   11 45 37.3   +01 08 21     3.425    3.421   81.2   17.1   113   32.8 
2026-06-28 00:00 UT   11 46 07.0   +01 05 17     3.438    3.418   80.4   17.0   113   32.9 
2026-06-29 00:00 UT   11 46 37.4   +01 02 07     3.450    3.416   79.6   17.0   113   32.9 
2026-06-30 00:00 UT   11 47 08.6   +00 58 53     3.463    3.414   78.8   17.0   113   32.9 
2026-07-01 00:00 UT   11 47 40.6   +00 55 33     3.475    3.411   78.0   16.9   113   32.9 
2026-07-02 00:00 UT   11 48 13.3   +00 52 08     3.488    3.409   77.2   16.9   113   32.9 
2026-07-03 00:00 UT   11 48 46.8   +00 48 39     3.500    3.407   76.4   16.9   113   32.9 
2026-07-04 00:00 UT   11 49 21.0   +00 45 04     3.512    3.404   75.6   16.8   114   32.9 
2026-07-05 00:00 UT   11 49 55.9   +00 41 25     3.524    3.402   74.8   16.8   114   32.9 
2026-07-06 00:00 UT   11 50 31.6   +00 37 41     3.536    3.399   74.0   16.7   114   32.9 
2026-07-07 00:00 UT   11 51 07.9   +00 33 52     3.549    3.397   73.2   16.6   114   32.9 
2026-07-08 00:00 UT   11 51 45.0   +00 29 59     3.561    3.394   72.4   16.6   114   32.9 
2026-07-09 00:00 UT   11 52 22.7   +00 26 01     3.572    3.392   71.6   16.5   114   32.9 
2026-07-10 00:00 UT   11 53 01.1   +00 21 58     3.584    3.389   70.8   16.5   114   32.9 
2026-07-11 00:00 UT   11 53 40.2   +00 17 52     3.596    3.387   70.1   16.4   114   32.9 
2026-07-12 00:00 UT   11 54 20.0   +00 13 40     3.608    3.384   69.3   16.3   114   32.9 
2026-07-13 00:00 UT   11 55 00.4   +00 09 24     3.619    3.382   68.5   16.2   114   32.9 
2026-07-14 00:00 UT   11 55 41.5   +00 05 04     3.631    3.379   67.7   16.2   114   32.9 
2026-07-15 00:00 UT   11 56 23.2   +00 00 40     3.642    3.377   67.0   16.1   114   32.9 
2026-07-16 00:00 UT   11 57 05.5   +00 03 49     3.653    3.374   66.2   16.0   114   32.9 
2026-07-17 00:00 UT   11 57 48.5   +00 08 21     3.665    3.372   65.5   15.9   114   32.9 
2026-07-18 00:00 UT   11 58 32.1   +00 12 58     3.676    3.369   64.7   15.8   114   32.9 
2026-07-19 00:00 UT   11 59 16.3   +00 17 39     3.687    3.366   63.9   15.7   114   32.9 
2026-07-20 00:00 UT   12 00 01.0   +00 22 24     3.698    3.364   63.2   15.6   114   32.9 
2026-07-21 00:00 UT   12 00 46.4   +00 27 12     3.708    3.361   62.4   15.5   114   32.9 
2026-07-22 00:00 UT   12 01 32.3   +00 32 04     3.719    3.359   61.7   15.4   114   32.9 
2026-07-23 00:00 UT   12 02 18.8   +00 37 00     3.729    3.356   61.0   15.3   114   32.9 
2026-07-24 00:00 UT   12 03 05.9   +00 42 00     3.740    3.353   60.2   15.2   114   32.9 
2026-07-25 00:00 UT   12 03 53.5   +00 47 03     3.750    3.350   59.5   15.1   114   32.9 

    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.