2021 GT
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	19 Oct 2026	27.4	1.243 AU	0.563 AU	06h57m	+23°10'	102.1°	51.6°

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 GT are:

            e (Eccentricity)                : 0.3919234
            a (Semimajor axis)              : 1.1741875
            i (Inclination)                 : 1.05751
            Ω (Longitude of ascending node) : 42.14588
            ω (Argument of perihelion)      : 248.69277
            M (Mean anomaly)                : 334.11321
            Epoch                           : 2026 Jun 09

            L (Longitude of perihelion)     : 110.83535
            B (Latitude of perihelion)      : -0.98522
            P (Orbital period in years)     : 1.27            
        

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
2026-10-19 00:00 UT   06 57 29.9   +23 10 06     0.563    1.243  102.1   51.6   276   27.4 
2026-10-19 22:59 UT   06 57 32.1   +23 11 45     0.561    1.248  103.0   51.0   276   27.4 
2026-10-20 00:00 UT   06 57 32.1   +23 11 49     0.561    1.249  103.0   51.0   276   27.4 
2026-10-21 00:00 UT   06 57 30.4   +23 13 38     0.559    1.254  104.0   50.4   276   27.4 
2026-10-22 00:00 UT   06 57 24.9   +23 15 33     0.556    1.260  105.1   49.7   276   27.3 
2026-10-23 00:00 UT   06 57 15.4   +23 17 34     0.553    1.266  106.1   49.1   275   27.3 
2026-10-24 00:00 UT   06 57 01.9   +23 19 42     0.551    1.271  107.2   48.4   275   27.3 
2026-10-25 00:00 UT   06 56 44.2   +23 21 56     0.548    1.277  108.2   47.7   275   27.3 
2026-10-26 00:00 UT   06 56 22.3   +23 24 16     0.546    1.282  109.3   47.0   275   27.3 
2026-10-27 00:00 UT   06 55 56.1   +23 26 43     0.543    1.288  110.4   46.3   275   27.3 
2026-10-28 00:00 UT   06 55 25.5   +23 29 16     0.540    1.293  111.5   45.6   275   27.2 
2026-10-29 00:00 UT   06 54 50.3   +23 31 55     0.537    1.299  112.7   44.9   275   27.2 
2026-10-30 00:00 UT   06 54 10.5   +23 34 41     0.535    1.304  113.8   44.2   275   27.2 
2026-10-31 00:00 UT   06 53 25.9   +23 37 32     0.532    1.310  115.0   43.4   275   27.2 
2026-11-01 00:00 UT   06 52 36.5   +23 40 30     0.529    1.315  116.2   42.6   275   27.1 
2026-11-02 00:00 UT   06 51 42.2   +23 43 33     0.527    1.320  117.4   41.9   275   27.1 
2026-11-03 00:00 UT   06 50 42.9   +23 46 42     0.524    1.325  118.6   41.1   275   27.1 
2026-11-04 00:00 UT   06 49 38.5   +23 49 56     0.521    1.331  119.9   40.3   274   27.1 
2026-11-05 00:00 UT   06 48 29.0   +23 53 15     0.519    1.336  121.1   39.5   274   27.0 
2026-11-06 00:00 UT   06 47 14.2   +23 56 39     0.516    1.341  122.4   38.6   274   27.0 
2026-11-07 00:00 UT   06 45 54.1   +24 00 06     0.514    1.346  123.7   37.8   274   27.0 
2026-11-08 00:00 UT   06 44 28.7   +24 03 37     0.511    1.351  125.1   36.9   274   27.0 
2026-11-09 00:00 UT   06 42 57.9   +24 07 11     0.509    1.356  126.4   36.0   273   26.9 
2026-11-10 00:00 UT   06 41 21.7   +24 10 47     0.506    1.361  127.8   35.1   273   26.9 
2026-11-11 00:00 UT   06 39 40.2   +24 14 25     0.504    1.366  129.2   34.2   273   26.9 
2026-11-12 00:00 UT   06 37 53.3   +24 18 03     0.502    1.371  130.6   33.3   273   26.9 
2026-11-13 00:00 UT   06 36 01.0   +24 21 41     0.500    1.375  132.0   32.3   273   26.8 
2026-11-14 00:00 UT   06 34 03.4   +24 25 18     0.498    1.380  133.5   31.3   272   26.8 
2026-11-15 00:00 UT   06 32 00.6   +24 28 53     0.496    1.385  135.0   30.4   272   26.8 
2026-11-16 00:00 UT   06 29 52.7   +24 32 25     0.494    1.390  136.5   29.4   272   26.7 
2026-11-17 00:00 UT   06 27 39.6   +24 35 53     0.492    1.394  138.0   28.4   271   26.7 
2026-11-18 00:00 UT   06 25 21.6   +24 39 15     0.491    1.399  139.5   27.3   271   26.7 

    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.