2021 GT1
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	7 Sep 2026	28.2	1.986 AU	1.036 AU	21h16m	-16°18'	152.5°	13.5°

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)                : 0.4320366
            a (Semimajor axis)              : 1.8095297
            i (Inclination)                 : 1.25202
            Ω (Longitude of ascending node) : 341.04869
            ω (Argument of perihelion)      : 222.26254
            M (Mean anomaly)                : 42.46329
            Epoch                           : 2026 Jun 09

            L (Longitude of perihelion)     : 23.30442
            B (Latitude of perihelion)      : -0.84198
            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
2026-09-07 00:00 UT   21 16 42.3   -16 18 08     1.036    1.986  152.5   13.5    72   28.2 
2026-09-07 09:57 UT   21 16 22.0   -16 19 15     1.041    1.988  152.1   13.7    72   28.3 
2026-09-08 00:00 UT   21 15 54.0   -16 20 47     1.047    1.991  151.4   14.0    72   28.3 
2026-09-09 00:00 UT   21 15 08.1   -16 23 16     1.057    1.995  150.2   14.5    72   28.3 
2026-09-10 00:00 UT   21 14 24.8   -16 25 33     1.068    2.000  149.1   15.0    72   28.4 
2026-09-11 00:00 UT   21 13 44.0   -16 27 39     1.079    2.005  147.9   15.5    72   28.4 
2026-09-12 00:00 UT   21 13 05.7   -16 29 34     1.091    2.010  146.8   15.9    72   28.5 
2026-09-13 00:00 UT   21 12 29.9   -16 31 18     1.102    2.015  145.7   16.4    72   28.5 
2026-09-14 00:00 UT   21 11 56.7   -16 32 52     1.114    2.020  144.6   16.8    72   28.6 
2026-09-15 00:00 UT   21 11 26.0   -16 34 15     1.125    2.024  143.5   17.2    72   28.6 
2026-09-16 00:00 UT   21 10 57.7   -16 35 27     1.137    2.029  142.4   17.6    72   28.6 
2026-09-17 00:00 UT   21 10 31.9   -16 36 29     1.150    2.034  141.3   18.0    73   28.7 
2026-09-18 00:00 UT   21 10 08.6   -16 37 21     1.162    2.038  140.2   18.4    73   28.7 
2026-09-19 00:00 UT   21 09 47.7   -16 38 03     1.174    2.043  139.2   18.8    73   28.8 
2026-09-20 00:00 UT   21 09 29.2   -16 38 35     1.187    2.048  138.1   19.1    73   28.8 
2026-09-21 00:00 UT   21 09 13.1   -16 38 57     1.200    2.052  137.1   19.5    73   28.8 
2026-09-22 00:00 UT   21 08 59.3   -16 39 10     1.213    2.057  136.1   19.8    73   28.9 
2026-09-23 00:00 UT   21 08 47.8   -16 39 14     1.226    2.062  135.0   20.1    73   28.9 
2026-09-24 00:00 UT   21 08 38.6   -16 39 08     1.239    2.066  134.0   20.4    73   29.0 
2026-09-25 00:00 UT   21 08 31.7   -16 38 54     1.252    2.071  133.0   20.7    73   29.0 
2026-09-26 00:00 UT   21 08 26.9   -16 38 31     1.266    2.075  132.0   21.0    73   29.0 
2026-09-27 00:00 UT   21 08 24.3   -16 37 59     1.279    2.080  131.0   21.3    73   29.1 
2026-09-28 00:00 UT   21 08 23.9   -16 37 18     1.293    2.084  130.1   21.6    73   29.1 
2026-09-29 00:00 UT   21 08 25.5   -16 36 29     1.307    2.089  129.1   21.9    73   29.1 
2026-09-30 00:00 UT   21 08 29.2   -16 35 32     1.321    2.093  128.1   22.1    73   29.2 
2026-10-01 00:00 UT   21 08 35.0   -16 34 27     1.335    2.098  127.2   22.4    73   29.2 
2026-10-02 00:00 UT   21 08 42.7   -16 33 14     1.349    2.102  126.2   22.6    73   29.2 
2026-10-03 00:00 UT   21 08 52.4   -16 31 53     1.364    2.107  125.3   22.8    73   29.3 
2026-10-04 00:00 UT   21 09 04.0   -16 30 24     1.378    2.111  124.4   23.0    73   29.3 
2026-10-05 00:00 UT   21 09 17.5   -16 28 48     1.393    2.115  123.4   23.2    73   29.3 
2026-10-06 00:00 UT   21 09 32.9   -16 27 04     1.407    2.120  122.5   23.4    73   29.4 
2026-10-07 00:00 UT   21 09 50.1   -16 25 13     1.422    2.124  121.6   23.6    73   29.4 

    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.