2021 GT
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	10 Apr 2026	27.4	1.212 AU	0.544 AU	08h05m	+22°08'	99.0°	54.7°

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 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
2026-04-10 00:00 UT   08 05 08.1   +22 08 13     0.544    1.212   99.0   54.7   102   27.4 
2026-04-10 17:47 UT   08 05 13.7   +22 06 27     0.545    1.208   98.3   55.2   102   27.4 
2026-04-11 00:00 UT   08 05 16.1   +22 05 48     0.546    1.206   98.0   55.3   102   27.4 
2026-04-12 00:00 UT   08 05 27.2   +22 03 14     0.548    1.200   97.1   56.0   102   27.4 
2026-04-13 00:00 UT   08 05 41.6   +22 00 32     0.549    1.194   96.2   56.6   102   27.4 
2026-04-14 00:00 UT   08 05 59.0   +21 57 41     0.551    1.188   95.3   57.2   102   27.4 
2026-04-15 00:00 UT   08 06 19.3   +21 54 41     0.552    1.182   94.4   57.8   102   27.4 
2026-04-16 00:00 UT   08 06 42.6   +21 51 33     0.554    1.176   93.5   58.4   102   27.4 
2026-04-17 00:00 UT   08 07 08.7   +21 48 17     0.555    1.169   92.7   59.0   102   27.5 
2026-04-18 00:00 UT   08 07 37.4   +21 44 53     0.557    1.163   91.8   59.6   102   27.5 
2026-04-19 00:00 UT   08 08 08.8   +21 41 21     0.558    1.157   91.0   60.2   102   27.5 
2026-04-20 00:00 UT   08 08 42.7   +21 37 42     0.559    1.150   90.1   60.8   102   27.5 
2026-04-21 00:00 UT   08 09 19.0   +21 33 55     0.560    1.144   89.3   61.4   102   27.5 
2026-04-22 00:00 UT   08 09 57.6   +21 30 00     0.561    1.138   88.5   62.0   102   27.5 
2026-04-23 00:00 UT   08 10 38.5   +21 25 59     0.561    1.131   87.7   62.6   102   27.5 
2026-04-24 00:00 UT   08 11 21.4   +21 21 50     0.562    1.125   86.9   63.2   102   27.5 
2026-04-25 00:00 UT   08 12 06.4   +21 17 35     0.562    1.118   86.1   63.8   102   27.5 
2026-04-26 00:00 UT   08 12 53.3   +21 13 14     0.563    1.112   85.3   64.4   102   27.5 
2026-04-27 00:00 UT   08 13 42.0   +21 08 45     0.563    1.105   84.5   65.0   103   27.5 
2026-04-28 00:00 UT   08 14 32.4   +21 04 11     0.563    1.099   83.8   65.6   103   27.5 
2026-04-29 00:00 UT   08 15 24.4   +20 59 30     0.563    1.092   83.0   66.2   103   27.6 
2026-04-30 00:00 UT   08 16 17.9   +20 54 44     0.563    1.086   82.3   66.8   103   27.6 
2026-05-01 00:00 UT   08 17 12.8   +20 49 51     0.563    1.079   81.5   67.4   103   27.6 
2026-05-02 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 

    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.