2021 GT
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	1 May 2026	27.6	1.079 AU	0.563 AU	08h17m	+20°49'	81.5°	67.4°

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
2026-05-01 00:00 UT   08 17 12.8   +20 49 51     0.563    1.079   81.5   67.4   103   27.6 
2026-05-01 18:52 UT   08 17 57.0   +20 45 57     0.563    1.074   80.9   67.9   103   27.6 
2026-05-02 00:00 UT   08 18 09.1   +20 44 53     0.563    1.072   80.8   68.0   103   27.6 
2026-05-03 00:00 UT   08 19 06.6   +20 39 50     0.562    1.066   80.0   68.7   103   27.6 
2026-05-04 00:00 UT   08 20 05.3   +20 34 41     0.561    1.059   79.3   69.3   103   27.6 
2026-05-05 00:00 UT   08 21 05.0   +20 29 27     0.561    1.052   78.6   69.9   103   27.6 
2026-05-06 00:00 UT   08 22 05.7   +20 24 08     0.560    1.046   77.9   70.6   103   27.6 
2026-05-07 00:00 UT   08 23 07.2   +20 18 44     0.559    1.039   77.2   71.2   103   27.6 
2026-05-08 00:00 UT   08 24 09.5   +20 13 16     0.558    1.032   76.5   71.9   103   27.6 
2026-05-09 00:00 UT   08 25 12.5   +20 07 43     0.556    1.026   75.7   72.5   103   27.6 
2026-05-10 00:00 UT   08 26 16.1   +20 02 06     0.555    1.019   75.0   73.2   103   27.6 
2026-05-11 00:00 UT   08 27 20.2   +19 56 25     0.553    1.012   74.3   73.9   104   27.6 
2026-05-12 00:00 UT   08 28 24.6   +19 50 40     0.551    1.005   73.6   74.6   104   27.6 
2026-05-13 00:00 UT   08 29 29.4   +19 44 52     0.549    0.999   72.9   75.3   104   27.6 
2026-05-14 00:00 UT   08 30 34.3   +19 39 01     0.547    0.992   72.3   76.0   104   27.6 
2026-05-15 00:00 UT   08 31 39.2   +19 33 06     0.545    0.985   71.6   76.8   104   27.6 
2026-05-16 00:00 UT   08 32 44.1   +19 27 09     0.543    0.978   70.9   77.5   104   27.6 
2026-05-17 00:00 UT   08 33 48.8   +19 21 09     0.540    0.971   70.2   78.3   104   27.6 
2026-05-18 00:00 UT   08 34 53.1   +19 15 08     0.538    0.965   69.5   79.1   104   27.6 
2026-05-19 00:00 UT   08 35 57.0   +19 09 06     0.535    0.958   68.8   79.9   104   27.6 
2026-05-20 00:00 UT   08 37 00.3   +19 03 02     0.532    0.951   68.1   80.7   104   27.6 
2026-05-21 00:00 UT   08 38 02.8   +18 56 58     0.529    0.945   67.4   81.5   104   27.6 
2026-05-22 00:00 UT   08 39 04.3   +18 50 55     0.526    0.938   66.7   82.3   105   27.6 
2026-05-23 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 

    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.