2021 GQ
ephemeris date magn radius delta ra dec elong phase
Today6 Dec 202528.81.967 AU1.196 AU01h15m+13°27'128.5°23.1°
2021 GQ - 2025-12-06
astro.vanbuitenen.nl


 
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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 GQ are:

            e (Eccentricity)                : 0.3329294
            a (Semimajor axis)              : 1.4856025
            i (Inclination)                 : 5.69904
            Ω (Longitude of ascending node) : 12.82568
            ω (Argument of perihelion)      : 203.47484
            M (Mean anomaly)                : 189.36297
            Epoch                           : 2025 Nov 21

            L (Longitude of perihelion)     : 36.19696
            B (Latitude of perihelion)      : -2.26704
            P (Orbital period in years)     : 1.81            
        

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
2025-12-06 00:00 UT   01 15 22.3   +13 27 26     1.196    1.967  128.5   23.1    72   28.8 
2025-12-06 05:50 UT   01 15 17.2   +13 26 56     1.198    1.967  128.3   23.2    72   28.8 
2025-12-07 00:00 UT   01 15 02.6   +13 25 26     1.205    1.966  127.4   23.4    72   28.8 
2025-12-08 00:00 UT   01 14 45.5   +13 23 40     1.214    1.966  126.4   23.8    72   28.8 
2025-12-09 00:00 UT   01 14 31.0   +13 22 06     1.224    1.965  125.3   24.2    71   28.8 
2025-12-10 00:00 UT   01 14 19.0   +13 20 45     1.233    1.964  124.2   24.5    71   28.9 
2025-12-11 00:00 UT   01 14 09.6   +13 19 37     1.243    1.963  123.2   24.8    71   28.9 
2025-12-12 00:00 UT   01 14 02.8   +13 18 41     1.252    1.962  122.1   25.2    71   28.9 
2025-12-13 00:00 UT   01 13 58.4   +13 17 59     1.262    1.961  121.1   25.5    71   28.9 
2025-12-14 00:00 UT   01 13 56.5   +13 17 29     1.272    1.960  120.1   25.8    71   29.0 
2025-12-15 00:00 UT   01 13 57.0   +13 17 12     1.282    1.959  119.1   26.1    71   29.0 
2025-12-16 00:00 UT   01 13 59.9   +13 17 08     1.292    1.958  118.1   26.3    70   29.0 
2025-12-17 00:00 UT   01 14 05.1   +13 17 16     1.302    1.957  117.1   26.6    70   29.0 
2025-12-18 00:00 UT   01 14 12.7   +13 17 36     1.312    1.956  116.1   26.9    70   29.1 
2025-12-19 00:00 UT   01 14 22.6   +13 18 09     1.322    1.955  115.1   27.1    70   29.1 
2025-12-20 00:00 UT   01 14 34.8   +13 18 55     1.332    1.953  114.2   27.4    70   29.1 
2025-12-21 00:00 UT   01 14 49.2   +13 19 52     1.343    1.952  113.2   27.6    70   29.1 
2025-12-22 00:00 UT   01 15 05.8   +13 21 02     1.353    1.951  112.3   27.8    70   29.2 
2025-12-23 00:00 UT   01 15 24.6   +13 22 23     1.363    1.950  111.3   28.0    70   29.2 
2025-12-24 00:00 UT   01 15 45.5   +13 23 56     1.374    1.949  110.4   28.2    70   29.2 
2025-12-25 00:00 UT   01 16 08.5   +13 25 40     1.384    1.947  109.5   28.4    70   29.2 
2025-12-26 00:00 UT   01 16 33.5   +13 27 36     1.395    1.946  108.6   28.6    70   29.2 
2025-12-27 00:00 UT   01 17 00.6   +13 29 42     1.405    1.945  107.7   28.8    69   29.3 
2025-12-28 00:00 UT   01 17 29.7   +13 32 00     1.416    1.943  106.8   29.0    69   29.3 
2025-12-29 00:00 UT   01 18 00.7   +13 34 29     1.427    1.942  105.9   29.1    69   29.3 
2025-12-30 00:00 UT   01 18 33.6   +13 37 08     1.437    1.941  105.0   29.3    69   29.3 
2025-12-31 00:00 UT   01 19 08.4   +13 39 57     1.448    1.939  104.2   29.5    69   29.3 
2026-01-01 00:00 UT   01 19 45.0   +13 42 57     1.459    1.938  103.3   29.6    69   29.4 
2026-01-02 00:00 UT   01 20 23.4   +13 46 06     1.469    1.936  102.5   29.7    69   29.4 
2026-01-03 00:00 UT   01 21 03.6   +13 49 25     1.480    1.935  101.6   29.9    69   29.4 
2026-01-04 00:00 UT   01 21 45.5   +13 52 54     1.491    1.933  100.8   30.0    69   29.4 
2026-01-05 00:00 UT   01 22 29.2   +13 56 32     1.501    1.932   99.9   30.1    69   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.