2013 TD
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	28 Apr 2026	32.2	3.535 AU	2.712 AU	11h46m	+00°55'	139.1°	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 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
2026-04-28 00:00 UT   11 46 12.9   +00 55 12     2.712    3.535  139.1   10.7   113   32.2 
2026-04-28 20:52 UT   11 45 43.6   +00 58 29     2.720    3.534  138.1   11.0   113   32.2 
2026-04-29 00:00 UT   11 45 39.3   +00 58 58     2.721    3.534  138.0   11.0   113   32.2 
2026-04-30 00:00 UT   11 45 06.9   +01 02 38     2.729    3.532  136.9   11.2   113   32.2 
2026-05-01 00:00 UT   11 44 35.5   +01 06 10     2.738    3.531  135.7   11.5   113   32.2 
2026-05-02 00:00 UT   11 44 05.3   +01 09 35     2.747    3.529  134.6   11.7   113   32.2 
2026-05-03 00:00 UT   11 43 36.1   +01 12 53     2.757    3.527  133.5   12.0   113   32.3 
2026-05-04 00:00 UT   11 43 08.2   +01 16 04     2.766    3.526  132.4   12.2   113   32.3 
2026-05-05 00:00 UT   11 42 41.3   +01 19 07     2.776    3.524  131.3   12.4   113   32.3 
2026-05-06 00:00 UT   11 42 15.7   +01 22 03     2.786    3.523  130.3   12.6   113   32.3 
2026-05-07 00:00 UT   11 41 51.1   +01 24 51     2.796    3.521  129.2   12.8   113   32.3 
2026-05-08 00:00 UT   11 41 27.8   +01 27 32     2.806    3.519  128.1   13.0   113   32.3 
2026-05-09 00:00 UT   11 41 05.6   +01 30 05     2.816    3.518  127.0   13.2   113   32.4 
2026-05-10 00:00 UT   11 40 44.6   +01 32 31     2.827    3.516  126.0   13.4   113   32.4 
2026-05-11 00:00 UT   11 40 24.7   +01 34 49     2.837    3.514  124.9   13.6   113   32.4 
2026-05-12 00:00 UT   11 40 06.0   +01 36 60     2.848    3.513  123.9   13.8   113   32.4 
2026-05-13 00:00 UT   11 39 48.6   +01 39 03     2.859    3.511  122.8   14.0   113   32.4 
2026-05-14 00:00 UT   11 39 32.3   +01 40 58     2.870    3.509  121.8   14.2   113   32.4 
2026-05-15 00:00 UT   11 39 17.1   +01 42 46     2.882    3.508  120.7   14.3   113   32.4 
2026-05-16 00:00 UT   11 39 03.2   +01 44 26     2.893    3.506  119.7   14.5   113   32.4 
2026-05-17 00:00 UT   11 38 50.5   +01 45 58     2.905    3.504  118.7   14.7   113   32.5 
2026-05-18 00:00 UT   11 38 38.9   +01 47 23     2.916    3.502  117.7   14.8   113   32.5 
2026-05-19 00:00 UT   11 38 28.5   +01 48 40     2.928    3.501  116.7   15.0   113   32.5 
2026-05-20 00:00 UT   11 38 19.3   +01 49 49     2.940    3.499  115.7   15.1   113   32.5 
2026-05-21 00:00 UT   11 38 11.3   +01 50 51     2.952    3.497  114.7   15.2   113   32.5 
2026-05-22 00:00 UT   11 38 04.4   +01 51 45     2.964    3.495  113.7   15.4   113   32.5 
2026-05-23 00:00 UT   11 37 58.7   +01 52 32     2.976    3.493  112.7   15.5   113   32.5 
2026-05-24 00:00 UT   11 37 54.1   +01 53 11     2.988    3.491  111.7   15.6   113   32.5 
2026-05-25 00:00 UT   11 37 50.7   +01 53 43     3.000    3.490  110.7   15.8   113   32.6 
2026-05-26 00:00 UT   11 37 48.4   +01 54 08     3.013    3.488  109.7   15.9   113   32.6 
2026-05-27 00:00 UT   11 37 47.3   +01 54 25     3.025    3.486  108.8   16.0   113   32.6 
2026-05-28 00:00 UT   11 37 47.2   +01 54 35     3.038    3.484  107.8   16.1   113   32.6 

    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.