2021 GT
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	22 May 2026	27.6	0.938 AU	0.526 AU	08h39m	+18°50'	66.7°	82.3°

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)                : 0.3918473
            a (Semimajor axis)              : 1.1742119
            i (Inclination)                 : 1.05752
            Ω (Longitude of ascending node) : 42.15401
            ω (Argument of perihelion)      : 248.67816
            M (Mean anomaly)                : 179.19172
            Epoch                           : 2025 Nov 21

            L (Longitude of perihelion)     : 110.82886
            B (Latitude of perihelion)      : -0.98513
            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
2026-05-22 00:00 UT   08 39 04.3   +18 50 55     0.526    0.938   66.7   82.3   105   27.6 
2026-05-22 19:59 UT   08 39 54.6   +18 45 53     0.523    0.932   66.1   83.1   105   27.6 
2026-05-23 00:00 UT   08 40 04.7   +18 44 52     0.522    0.931   66.0   83.2   105   27.6 
2026-05-24 00:00 UT   08 41 03.7   +18 38 51     0.519    0.925   65.3   84.1   105   27.6 
2026-05-25 00:00 UT   08 42 01.3   +18 32 52     0.515    0.918   64.6   85.0   105   27.6 
2026-05-26 00:00 UT   08 42 57.2   +18 26 56     0.511    0.911   63.8   86.0   105   27.6 
2026-05-27 00:00 UT   08 43 51.2   +18 21 04     0.507    0.905   63.1   86.9   105   27.6 
2026-05-28 00:00 UT   08 44 43.1   +18 15 16     0.503    0.898   62.4   87.9   105   27.6 
2026-05-29 00:00 UT   08 45 32.6   +18 09 34     0.499    0.892   61.6   88.9   105   27.6 
2026-05-30 00:00 UT   08 46 19.5   +18 03 59     0.494    0.885   60.9   90.0   105   27.7 
2026-05-31 00:00 UT   08 47 03.7   +17 58 30     0.490    0.879   60.1   91.0   105   27.7 
2026-06-01 00:00 UT   08 47 44.7   +17 53 11     0.485    0.873   59.3   92.1   105   27.7 
2026-06-02 00:00 UT   08 48 22.4   +17 48 00     0.480    0.866   58.5   93.3   105   27.7 
2026-06-03 00:00 UT   08 48 56.5   +17 43 00     0.475    0.860   57.7   94.4   106   27.7 
2026-06-04 00:00 UT   08 49 26.6   +17 38 12     0.470    0.854   56.9   95.6   106   27.7 
2026-06-05 00:00 UT   08 49 52.5   +17 33 37     0.465    0.848   56.1   96.9   106   27.7 
2026-06-06 00:00 UT   08 50 13.9   +17 29 16     0.460    0.842   55.2   98.1   106   27.7 
2026-06-07 00:00 UT   08 50 30.3   +17 25 11     0.454    0.836   54.3   99.4   106   27.8 
2026-06-08 00:00 UT   08 50 41.4   +17 21 22     0.449    0.830   53.4  100.8   106   27.8 
2026-06-09 00:00 UT   08 50 46.8   +17 17 53     0.443    0.824   52.5  102.2   106   27.8 
2026-06-10 00:00 UT   08 50 46.1   +17 14 43     0.438    0.818   51.6  103.7   106   27.9 
2026-06-11 00:00 UT   08 50 38.9   +17 11 55     0.432    0.813   50.6  105.1   106   27.9 
2026-06-12 00:00 UT   08 50 24.8   +17 09 30     0.426    0.807   49.6  106.7   106   27.9 
2026-06-13 00:00 UT   08 50 03.2   +17 07 30     0.420    0.802   48.6  108.3   106   28.0 
2026-06-14 00:00 UT   08 49 33.7   +17 05 57     0.415    0.797   47.5  109.9   106   28.0 
2026-06-15 00:00 UT   08 48 55.7   +17 04 53     0.409    0.791   46.4  111.6   106   28.1 
2026-06-16 00:00 UT   08 48 08.7   +17 04 18     0.403    0.786   45.3  113.4   106   28.2 
2026-06-17 00:00 UT   08 47 12.1   +17 04 16     0.397    0.781   44.1  115.2   106   28.2 
2026-06-18 00:00 UT   08 46 05.4   +17 04 48     0.391    0.777   42.9  117.1   106   28.3 
2026-06-19 00:00 UT   08 44 48.0   +17 05 54     0.385    0.772   41.6  119.0   106   28.4 
2026-06-20 00:00 UT   08 43 19.3   +17 07 38     0.379    0.767   40.3  121.0   106   28.5 
2026-06-21 00:00 UT   08 41 38.6   +17 10 01     0.373    0.763   39.0  123.1   106   28.6 

    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.