2020 TB12
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	20 Mar 2026	27.0	2.376 AU	3.345 AU	23h23m	-08°04'	11.2°	4.7°

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 2020 TB12 are:

            e (Eccentricity)                : 0.5206117
            a (Semimajor axis)              : 2.0340023
            i (Inclination)                 : 8.86645
            Ω (Longitude of ascending node) : 126.73435
            ω (Argument of perihelion)      : 353.96676
            M (Mean anomaly)                : 238.96363
            Epoch                           : 2025 Nov 21

            L (Longitude of perihelion)     : 120.77268
            B (Latitude of perihelion)      : -0.92824
            P (Orbital period in years)     : 2.90            
        

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
2026-03-20 00:00 UT   23 23 53.6   -08 04 11     3.345    2.376   11.2    4.7   227   27.0 
2026-03-20 06:51 UT   23 24 22.6   -08 01 27     3.343    2.374   11.3    4.7   227   27.0 
2026-03-21 00:00 UT   23 25 35.4   -07 54 36     3.338    2.371   11.7    4.9   228   27.0 
2026-03-22 00:00 UT   23 27 17.3   -07 45 00     3.330    2.366   12.2    5.1   228   27.0 
2026-03-23 00:00 UT   23 28 59.4   -07 35 22     3.323    2.361   12.7    5.3   229   27.0 
2026-03-24 00:00 UT   23 30 41.7   -07 25 43     3.315    2.355   13.2    5.6   230   27.0 
2026-03-25 00:00 UT   23 32 24.3   -07 16 01     3.307    2.350   13.8    5.8   230   27.0 
2026-03-26 00:00 UT   23 34 07.0   -07 06 18     3.299    2.345   14.3    6.0   231   27.0 
2026-03-27 00:00 UT   23 35 49.9   -06 56 34     3.291    2.340   14.8    6.3   231   27.0 
2026-03-28 00:00 UT   23 37 33.1   -06 46 48     3.282    2.335   15.3    6.5   232   27.0 
2026-03-29 00:00 UT   23 39 16.5   -06 37 01     3.274    2.329   15.8    6.7   232   27.0 
2026-03-30 00:00 UT   23 41 00.0   -06 27 12     3.265    2.324   16.4    6.9   233   27.0 
2026-03-31 00:00 UT   23 42 43.8   -06 17 21     3.256    2.319   16.9    7.2   233   27.0 
2026-04-01 00:00 UT   23 44 27.9   -06 07 29     3.248    2.313   17.4    7.4   233   27.0 
2026-04-02 00:00 UT   23 46 12.1   -05 57 36     3.239    2.308   17.9    7.6   234   27.0 
2026-04-03 00:00 UT   23 47 56.6   -05 47 41     3.230    2.303   18.4    7.9   234   27.0 
2026-04-04 00:00 UT   23 49 41.3   -05 37 45     3.220    2.297   18.9    8.1   234   27.0 
2026-04-05 00:00 UT   23 51 26.3   -05 27 48     3.211    2.292   19.4    8.3   235   27.0 
2026-04-06 00:00 UT   23 53 11.5   -05 17 49     3.202    2.287   19.9    8.6   235   27.0 
2026-04-07 00:00 UT   23 54 57.0   -05 07 49     3.192    2.281   20.4    8.8   235   27.0 

    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.