2013 TD
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	7 Jan 2026	32.9	3.623 AU	3.418 AU	12h44m	-05°16'	94.0°	15.7°

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
2026-01-07 00:00 UT   12 44 33.3   -05 16 39     3.418    3.623   94.0   15.7   293   32.9 
2026-01-07 15:38 UT   12 44 44.0   -05 17 51     3.408    3.622   94.6   15.7   293   32.9 
2026-01-08 00:00 UT   12 44 49.5   -05 18 29     3.402    3.622   95.0   15.7   293   32.9 
2026-01-09 00:00 UT   12 45 04.8   -05 20 13     3.386    3.622   95.9   15.7   293   32.9 
2026-01-10 00:00 UT   12 45 19.1   -05 21 52     3.371    3.622   96.9   15.6   293   32.9 
2026-01-11 00:00 UT   12 45 32.4   -05 23 24     3.355    3.622   97.8   15.6   293   32.9 
2026-01-12 00:00 UT   12 45 44.7   -05 24 49     3.339    3.622   98.8   15.6   293   32.9 
2026-01-13 00:00 UT   12 45 56.0   -05 26 08     3.323    3.622   99.8   15.5   293   32.9 
2026-01-14 00:00 UT   12 46 06.2   -05 27 21     3.307    3.622  100.7   15.5   293   32.8 
2026-01-15 00:00 UT   12 46 15.4   -05 28 27     3.292    3.622  101.7   15.4   293   32.8 
2026-01-16 00:00 UT   12 46 23.6   -05 29 27     3.276    3.621  102.7   15.4   293   32.8 
2026-01-17 00:00 UT   12 46 30.6   -05 30 20     3.260    3.621  103.7   15.3   293   32.8 
2026-01-18 00:00 UT   12 46 36.7   -05 31 06     3.245    3.621  104.7   15.2   293   32.8 
2026-01-19 00:00 UT   12 46 41.6   -05 31 45     3.229    3.621  105.7   15.2   293   32.8 
2026-01-20 00:00 UT   12 46 45.4   -05 32 17     3.214    3.620  106.7   15.1   293   32.8 
2026-01-21 00:00 UT   12 46 48.1   -05 32 42     3.198    3.620  107.7   15.0   293   32.8 
2026-01-22 00:00 UT   12 46 49.7   -05 33 01     3.183    3.620  108.7   14.9   293   32.7 
2026-01-23 00:00 UT   12 46 50.2   -05 33 12     3.168    3.620  109.7   14.8   293   32.7 
2026-01-24 00:00 UT   12 46 49.5   -05 33 16     3.152    3.619  110.7   14.7   293   32.7 
2026-01-25 00:00 UT   12 46 47.7   -05 33 13     3.137    3.619  111.7   14.6   293   32.7 
2026-01-26 00:00 UT   12 46 44.7   -05 33 02     3.122    3.619  112.8   14.5   293   32.7 
2026-01-27 00:00 UT   12 46 40.6   -05 32 45     3.107    3.618  113.8   14.4   293   32.7 
2026-01-28 00:00 UT   12 46 35.4   -05 32 20     3.092    3.618  114.8   14.3   293   32.7 
2026-01-29 00:00 UT   12 46 28.9   -05 31 47     3.078    3.618  115.9   14.2   293   32.6 
2026-01-30 00:00 UT   12 46 21.3   -05 31 07     3.063    3.617  116.9   14.1   293   32.6 
2026-01-31 00:00 UT   12 46 12.5   -05 30 20     3.049    3.617  118.0   13.9   293   32.6 
2026-02-01 00:00 UT   12 46 02.6   -05 29 26     3.034    3.617  119.0   13.8   293   32.6 
2026-02-02 00:00 UT   12 45 51.4   -05 28 24     3.020    3.616  120.1   13.6   293   32.6 
2026-02-03 00:00 UT   12 45 39.1   -05 27 14     3.006    3.616  121.2   13.5   293   32.6 
2026-02-04 00:00 UT   12 45 25.6   -05 25 57     2.992    3.615  122.2   13.3   293   32.5 
2026-02-05 00:00 UT   12 45 10.9   -05 24 32     2.978    3.615  123.3   13.2   293   32.5 
2026-02-06 00:00 UT   12 44 55.0   -05 22 59     2.965    3.615  124.4   13.0   293   32.5 

    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.