2021 GT1
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	9 Jun 2026	28.1	1.478 AU	0.887 AU	22h33m	-10°41'	101.7°	42.3°

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 GT1 are:

            e (Eccentricity)                : 0.4320588
            a (Semimajor axis)              : 1.8096185
            i (Inclination)                 : 1.25200
            Ω (Longitude of ascending node) : 341.05017
            ω (Argument of perihelion)      : 222.25277
            M (Mean anomaly)                : 321.48834
            Epoch                           : 2025 Nov 21

            L (Longitude of perihelion)     : 23.29613
            B (Latitude of perihelion)      : -0.84181
            P (Orbital period in years)     : 2.43            
        

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
2026-06-09 00:00 UT   22 33 49.7   -10 41 49     0.887    1.478  101.7   42.3   249   28.1 
2026-06-09 09:09 UT   22 34 06.3   -10 40 08     0.886    1.480  102.0   42.1   249   28.1 
2026-06-10 00:00 UT   22 34 32.3   -10 37 29     0.885    1.484  102.5   41.9   249   28.1 
2026-06-11 00:00 UT   22 35 12.3   -10 33 22     0.882    1.490  103.3   41.5   249   28.1 
2026-06-12 00:00 UT   22 35 49.6   -10 29 30     0.879    1.496  104.1   41.2   249   28.1 
2026-06-13 00:00 UT   22 36 24.3   -10 25 54     0.877    1.502  104.9   40.8   249   28.1 
2026-06-14 00:00 UT   22 36 56.3   -10 22 32     0.874    1.508  105.7   40.4   249   28.1 
2026-06-15 00:00 UT   22 37 25.6   -10 19 26     0.871    1.514  106.5   40.0   249   28.1 
2026-06-16 00:00 UT   22 37 52.1   -10 16 35     0.869    1.521  107.3   39.6   249   28.1 
2026-06-17 00:00 UT   22 38 16.0   -10 13 60     0.866    1.527  108.2   39.2   249   28.1 
2026-06-18 00:00 UT   22 38 37.0   -10 11 41     0.863    1.533  109.0   38.8   249   28.1 
2026-06-19 00:00 UT   22 38 55.3   -10 09 37     0.860    1.539  109.9   38.4   249   28.0 
2026-06-20 00:00 UT   22 39 10.7   -10 07 50     0.858    1.545  110.8   37.9   249   28.0 
2026-06-21 00:00 UT   22 39 23.4   -10 06 19     0.855    1.551  111.7   37.5   249   28.0 
2026-06-22 00:00 UT   22 39 33.2   -10 05 04     0.852    1.557  112.6   37.1   249   28.0 
2026-06-23 00:00 UT   22 39 40.1   -10 04 05     0.849    1.563  113.5   36.6   249   28.0 
2026-06-24 00:00 UT   22 39 44.2   -10 03 23     0.847    1.569  114.5   36.1   249   28.0 
2026-06-25 00:00 UT   22 39 45.4   -10 02 57     0.844    1.575  115.4   35.7   249   28.0 
2026-06-26 00:00 UT   22 39 43.7   -10 02 47     0.841    1.581  116.4   35.2   249   28.0 
2026-06-27 00:00 UT   22 39 39.0   -10 02 54     0.839    1.587  117.3   34.7   249   28.0 
2026-06-28 00:00 UT   22 39 31.5   -10 03 18     0.836    1.593  118.3   34.2   249   27.9 
2026-06-29 00:00 UT   22 39 21.0   -10 03 58     0.834    1.599  119.3   33.7   249   27.9 
2026-06-30 00:00 UT   22 39 07.5   -10 04 55     0.831    1.605  120.3   33.1   249   27.9 
2026-07-01 00:00 UT   22 38 51.1   -10 06 09     0.829    1.611  121.3   32.6   249   27.9 
2026-07-02 00:00 UT   22 38 31.7   -10 07 39     0.826    1.617  122.4   32.1   249   27.9 
2026-07-03 00:00 UT   22 38 09.4   -10 09 26     0.824    1.623  123.4   31.5   249   27.9 
2026-07-04 00:00 UT   22 37 44.0   -10 11 30     0.822    1.629  124.5   30.9   249   27.9 
2026-07-05 00:00 UT   22 37 15.7   -10 13 50     0.819    1.635  125.6   30.4   249   27.8 
2026-07-06 00:00 UT   22 36 44.4   -10 16 26     0.817    1.641  126.7   29.8   249   27.8 
2026-07-07 00:00 UT   22 36 10.1   -10 19 19     0.815    1.647  127.8   29.2   249   27.8 
2026-07-08 00:00 UT   22 35 32.8   -10 22 29     0.813    1.653  128.9   28.6   249   27.8 
2026-07-09 00:00 UT   22 34 52.6   -10 25 54     0.811    1.659  130.0   28.0   249   27.8 

    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.