2021 TX10
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	24 Dec 2025	30.6	1.604 AU	1.049 AU	11h12m	+03°10'	104.1°	36.5°

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
2025-12-24 00:00 UT   11 12 45.7   +03 10 05     1.049    1.604  104.1   36.5   293   30.6 
2025-12-24 02:12 UT   11 12 47.4   +03 09 52     1.049    1.605  104.2   36.4   293   30.6 
2025-12-25 00:00 UT   11 13 02.8   +03 07 55     1.047    1.612  105.1   36.1   293   30.6 
2025-12-26 00:00 UT   11 13 17.2   +03 06 03     1.045    1.621  106.0   35.7   293   30.6 
2025-12-27 00:00 UT   11 13 28.9   +03 04 28     1.042    1.629  107.0   35.3   293   30.6 
2025-12-28 00:00 UT   11 13 37.9   +03 03 11     1.040    1.637  108.0   34.8   294   30.6 
2025-12-29 00:00 UT   11 13 44.2   +03 02 12     1.038    1.645  109.0   34.4   294   30.5 
2025-12-30 00:00 UT   11 13 47.7   +03 01 30     1.035    1.654  110.0   34.0   294   30.5 
2025-12-31 00:00 UT   11 13 48.5   +03 01 06     1.033    1.662  111.0   33.5   294   30.5 
2026-01-01 00:00 UT   11 13 46.6   +03 01 00     1.031    1.670  112.0   33.1   294   30.5 
2026-01-02 00:00 UT   11 13 41.8   +03 01 12     1.029    1.678  113.0   32.6   294   30.5 
2026-01-03 00:00 UT   11 13 34.4   +03 01 42     1.026    1.686  114.1   32.2   294   30.5 
2026-01-04 00:00 UT   11 13 24.1   +03 02 31     1.024    1.695  115.2   31.7   294   30.5 
2026-01-05 00:00 UT   11 13 11.1   +03 03 37     1.022    1.703  116.2   31.2   294   30.5 
2026-01-06 00:00 UT   11 12 55.3   +03 05 02     1.020    1.711  117.3   30.7   294   30.5 
2026-01-07 00:00 UT   11 12 36.7   +03 06 45     1.018    1.719  118.4   30.2   294   30.5 
2026-01-08 00:00 UT   11 12 15.4   +03 08 46     1.016    1.727  119.5   29.7   294   30.5 
2026-01-09 00:00 UT   11 11 51.3   +03 11 06     1.014    1.736  120.7   29.2   294   30.5 
2026-01-10 00:00 UT   11 11 24.3   +03 13 44     1.012    1.744  121.8   28.6   294   30.5 
2026-01-11 00:00 UT   11 10 54.7   +03 16 40     1.010    1.752  122.9   28.1   294   30.4 
2026-01-12 00:00 UT   11 10 22.3   +03 19 55     1.009    1.760  124.1   27.6   294   30.4 
2026-01-13 00:00 UT   11 09 47.1   +03 23 27     1.007    1.768  125.3   27.0   294   30.4 
2026-01-14 00:00 UT   11 09 09.2   +03 27 18     1.006    1.776  126.5   26.4   294   30.4 
2026-01-15 00:00 UT   11 08 28.7   +03 31 27     1.004    1.784  127.7   25.9   294   30.4 
2026-01-16 00:00 UT   11 07 45.5   +03 35 53     1.003    1.792  128.9   25.3   294   30.4 
2026-01-17 00:00 UT   11 06 59.7   +03 40 37     1.002    1.800  130.1   24.7   294   30.4 
2026-01-18 00:00 UT   11 06 11.2   +03 45 38     1.001    1.809  131.3   24.1   294   30.4 
2026-01-19 00:00 UT   11 05 20.3   +03 50 56     1.000    1.817  132.6   23.5   294   30.4 
2026-01-20 00:00 UT   11 04 26.9   +03 56 30     0.999    1.825  133.8   22.9   294   30.4 
2026-01-21 00:00 UT   11 03 31.0   +04 02 21     0.999    1.833  135.1   22.3   295   30.3 
2026-01-22 00:00 UT   11 02 32.8   +04 08 27     0.998    1.841  136.4   21.6   295   30.3 
2026-01-23 00:00 UT   11 01 32.3   +04 14 49     0.998    1.849  137.7   21.0   295   30.3 

    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.