2021 TX2
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	25 Jan 2026	31.1	2.941 AU	3.703 AU	18h02m	-21°24'	34.2°	10.8°

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 TX2 are:

            e (Eccentricity)                : 0.5463569
            a (Semimajor axis)              : 1.9246509
            i (Inclination)                 : 3.11235
            Ω (Longitude of ascending node) : 204.77454
            ω (Argument of perihelion)      : 226.87988
            M (Mean anomaly)                : 178.84184
            Epoch                           : 2025 Nov 21

            L (Longitude of perihelion)     : 251.61222
            B (Latitude of perihelion)      : -2.27125
            P (Orbital period in years)     : 2.67            
        

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
2026-01-25 00:00 UT   18 02 11.9   -21 24 53     3.703    2.941   34.2   10.8   273   31.1 
2026-01-25 09:24 UT   18 02 45.3   -21 24 40     3.699    2.941   34.5   10.9   273   31.1 
2026-01-26 00:00 UT   18 03 37.1   -21 24 19     3.693    2.940   34.9   11.0   273   31.1 
2026-01-27 00:00 UT   18 05 02.1   -21 23 42     3.684    2.939   35.6   11.2   272   31.1 
2026-01-28 00:00 UT   18 06 26.9   -21 23 01     3.674    2.938   36.2   11.4   272   31.1 
2026-01-29 00:00 UT   18 07 51.4   -21 22 17     3.664    2.937   36.9   11.6   272   31.1 
2026-01-30 00:00 UT   18 09 15.7   -21 21 30     3.653    2.935   37.6   11.8   272   31.1 
2026-01-31 00:00 UT   18 10 39.6   -21 20 40     3.643    2.934   38.3   12.0   272   31.1 
2026-02-01 00:00 UT   18 12 03.4   -21 19 47     3.632    2.933   39.0   12.2   271   31.1 
2026-02-02 00:00 UT   18 13 26.8   -21 18 50     3.622    2.932   39.7   12.4   271   31.1 
2026-02-03 00:00 UT   18 14 50.0   -21 17 51     3.611    2.930   40.4   12.6   271   31.1 
2026-02-04 00:00 UT   18 16 12.9   -21 16 48     3.600    2.929   41.1   12.8   271   31.1 
2026-02-05 00:00 UT   18 17 35.5   -21 15 42     3.588    2.928   41.8   13.0   271   31.1 
2026-02-06 00:00 UT   18 18 57.8   -21 14 33     3.577    2.926   42.5   13.1   270   31.1 
2026-02-07 00:00 UT   18 20 19.7   -21 13 21     3.566    2.925   43.1   13.3   270   31.1 
2026-02-08 00:00 UT   18 21 41.4   -21 12 06     3.554    2.923   43.8   13.5   270   31.1 
2026-02-09 00:00 UT   18 23 02.8   -21 10 49     3.542    2.922   44.5   13.7   270   31.1 
2026-02-10 00:00 UT   18 24 23.8   -21 09 28     3.530    2.921   45.2   13.9   270   31.1 
2026-02-11 00:00 UT   18 25 44.5   -21 08 04     3.518    2.919   45.9   14.1   270   31.1 
2026-02-12 00:00 UT   18 27 04.8   -21 06 37     3.506    2.918   46.6   14.2   269   31.1 
2026-02-13 00:00 UT   18 28 24.8   -21 05 08     3.494    2.916   47.3   14.4   269   31.1 
2026-02-14 00:00 UT   18 29 44.4   -21 03 36     3.481    2.915   48.0   14.6   269   31.1 
2026-02-15 00:00 UT   18 31 03.6   -21 02 01     3.469    2.913   48.7   14.8   269   31.1 
2026-02-16 00:00 UT   18 32 22.5   -21 00 23     3.456    2.912   49.4   14.9   269   31.1 
2026-02-17 00:00 UT   18 33 40.9   -20 58 43     3.443    2.910   50.1   15.1   269   31.1 
2026-02-18 00:00 UT   18 34 59.0   -20 56 59     3.430    2.909   50.8   15.3   268   31.0 
2026-02-19 00:00 UT   18 36 16.6   -20 55 14     3.417    2.907   51.5   15.4   268   31.0 
2026-02-20 00:00 UT   18 37 33.9   -20 53 25     3.404    2.905   52.2   15.6   268   31.0 

    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.