2021 TX10
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	23 Jan 2026	30.3	1.849 AU	0.998 AU	11h01m	+04°14'	137.7°	21.0°

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 2021 TX10 are:

            e (Eccentricity)                : 0.6015610
            a (Semimajor axis)              : 2.4637570
            i (Inclination)                 : 1.28598
            Ω (Longitude of ascending node) : 194.65628
            ω (Argument of perihelion)      : 204.85146
            M (Mean anomaly)                : 18.06403
            Epoch                           : 2025 Nov 21

            L (Longitude of perihelion)     : 219.50224
            B (Latitude of perihelion)      : -0.54042
            P (Orbital period in years)     : 3.87            
        

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
2026-01-23 00:00 UT   11 01 32.3   +04 14 49     0.998    1.849  137.7   21.0   295   30.3 
2026-01-23 02:28 UT   11 01 26.0   +04 15 29     0.998    1.849  137.8   20.9   295   30.3 
2026-01-24 00:00 UT   11 00 29.6   +04 21 26     0.998    1.857  139.0   20.4   295   30.3 
2026-01-25 00:00 UT   10 59 24.7   +04 28 17     0.998    1.865  140.3   19.7   295   30.3 
2026-01-26 00:00 UT   10 58 17.7   +04 35 22     0.998    1.873  141.6   19.1   295   30.3 
2026-01-27 00:00 UT   10 57 08.7   +04 42 41     0.999    1.881  142.9   18.4   295   30.3 
2026-01-28 00:00 UT   10 55 57.9   +04 50 11     0.999    1.888  144.3   17.7   295   30.3 
2026-01-29 00:00 UT   10 54 45.2   +04 57 54     1.000    1.896  145.6   17.1   295   30.3 
2026-01-30 00:00 UT   10 53 30.8   +05 05 49     1.001    1.904  147.0   16.4   295   30.2 
2026-01-31 00:00 UT   10 52 14.8   +05 13 54     1.002    1.912  148.3   15.7   295   30.2 
2026-02-01 00:00 UT   10 50 57.2   +05 22 09     1.004    1.920  149.7   15.0   295   30.2 
2026-02-02 00:00 UT   10 49 38.3   +05 30 34     1.006    1.928  151.0   14.3   296   30.2 
2026-02-03 00:00 UT   10 48 18.0   +05 39 07     1.008    1.936  152.4   13.6   296   30.2 
2026-02-04 00:00 UT   10 46 56.5   +05 47 48     1.010    1.944  153.8   12.9   296   30.2 
2026-02-05 00:00 UT   10 45 33.9   +05 56 37     1.012    1.951  155.2   12.2   296   30.2 
2026-02-06 00:00 UT   10 44 10.2   +06 05 32     1.015    1.959  156.6   11.5   296   30.2 
2026-02-07 00:00 UT   10 42 45.7   +06 14 33     1.018    1.967  158.0   10.8   296   30.1 
2026-02-08 00:00 UT   10 41 20.5   +06 23 39     1.021    1.975  159.4   10.1   297   30.1 
2026-02-09 00:00 UT   10 39 54.5   +06 32 49     1.024    1.983  160.7    9.4   297   30.1 
2026-02-10 00:00 UT   10 38 28.0   +06 42 03     1.028    1.990  162.1    8.7   297   30.1 
2026-02-11 00:00 UT   10 37 01.2   +06 51 19     1.032    1.998  163.5    8.0   298   30.1 
2026-02-12 00:00 UT   10 35 34.0   +07 00 37     1.036    2.006  164.9    7.3   298   30.1 
2026-02-13 00:00 UT   10 34 06.7   +07 09 56     1.040    2.013  166.3    6.7   299   30.1 
2026-02-14 00:00 UT   10 32 39.3   +07 19 16     1.045    2.021  167.7    6.0   300   30.1 
2026-02-15 00:00 UT   10 31 12.0   +07 28 34     1.050    2.029  169.1    5.3   300   30.0 

    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.