2021 AX
ephemeris date magn radius delta ra dec elong phase
Today11 Apr 202630.22.431 AU2.785 AU21h37m-15°46'59.2°20.7°
2021 AX - 2026-04-11
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 AX are:

            e (Eccentricity)                : 0.7240089
            a (Semimajor axis)              : 2.7850173
            i (Inclination)                 : 3.02934
            Ω (Longitude of ascending node) : 85.47393
            ω (Argument of perihelion)      : 86.42387
            M (Mean anomaly)                : 9.14022
            Epoch                           : 2025 Nov 21

            L (Longitude of perihelion)     : 171.89281
            B (Latitude of perihelion)      : 3.02344
            P (Orbital period in years)     : 4.65            
        

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
2026-04-11 00:00 UT   21 37 40.0   -15 46 30     2.785    2.431   59.2   20.7   250   30.2 
2026-04-11 12:25 UT   21 38 14.8   -15 44 06     2.783    2.435   59.6   20.8   250   30.2 
2026-04-12 00:00 UT   21 38 47.1   -15 41 54     2.781    2.439   59.9   20.8   250   30.2 
2026-04-13 00:00 UT   21 39 53.1   -15 37 22     2.777    2.447   60.6   20.9   250   30.2 
2026-04-14 00:00 UT   21 40 58.1   -15 32 54     2.773    2.456   61.4   21.0   250   30.2 
2026-04-15 00:00 UT   21 42 02.1   -15 28 31     2.769    2.464   62.1   21.1   250   30.3 
2026-04-16 00:00 UT   21 43 05.0   -15 24 11     2.765    2.472   62.8   21.2   250   30.3 
2026-04-17 00:00 UT   21 44 07.0   -15 19 56     2.760    2.481   63.5   21.2   250   30.3 
2026-04-18 00:00 UT   21 45 07.9   -15 15 46     2.755    2.489   64.2   21.3   250   30.3 
2026-04-19 00:00 UT   21 46 07.7   -15 11 40     2.751    2.497   65.0   21.4   250   30.3 
2026-04-20 00:00 UT   21 47 06.6   -15 07 38     2.746    2.505   65.7   21.4   250   30.3 
2026-04-21 00:00 UT   21 48 04.3   -15 03 42     2.741    2.514   66.4   21.5   250   30.3 
2026-04-22 00:00 UT   21 49 01.0   -14 59 50     2.736    2.522   67.2   21.6   250   30.3 
2026-04-23 00:00 UT   21 49 56.7   -14 56 03     2.730    2.530   67.9   21.6   250   30.3 
2026-04-24 00:00 UT   21 50 51.2   -14 52 21     2.725    2.538   68.7   21.7   250   30.3 
2026-04-25 00:00 UT   21 51 44.8   -14 48 44     2.720    2.546   69.4   21.7   250   30.3 
2026-04-26 00:00 UT   21 52 37.2   -14 45 13     2.714    2.554   70.2   21.7   250   30.3 
2026-04-27 00:00 UT   21 53 28.5   -14 41 46     2.708    2.562   70.9   21.8   250   30.3 
2026-04-28 00:00 UT   21 54 18.8   -14 38 25     2.703    2.571   71.7   21.8   250   30.3 
2026-04-29 00:00 UT   21 55 08.0   -14 35 09     2.697    2.579   72.4   21.9   250   30.3 
2026-04-30 00:00 UT   21 55 56.1   -14 31 59     2.691    2.587   73.2   21.9   250   30.3 
2026-05-01 00:00 UT   21 56 43.0   -14 28 55     2.685    2.595   74.0   21.9   249   30.3 
2026-05-02 00:00 UT   21 57 28.9   -14 25 56     2.679    2.602   74.8   21.9   249   30.3 
2026-05-03 00:00 UT   21 58 13.6   -14 23 03     2.672    2.610   75.6   22.0   249   30.3 
2026-05-04 00:00 UT   21 58 57.2   -14 20 15     2.666    2.618   76.3   22.0   249   30.3 
2026-05-05 00:00 UT   21 59 39.7   -14 17 34     2.660    2.626   77.1   22.0   249   30.3 
2026-05-06 00:00 UT   22 00 21.0   -14 14 58     2.653    2.634   77.9   22.0   249   30.3 
2026-05-07 00:00 UT   22 01 01.2   -14 12 29     2.647    2.642   78.7   22.0   249   30.3 
2026-05-08 00:00 UT   22 01 40.2   -14 10 06     2.640    2.650   79.5   22.0   249   30.3 
2026-05-09 00:00 UT   22 02 18.1   -14 07 49     2.633    2.658   80.3   22.0   249   30.3 
2026-05-10 00:00 UT   22 02 54.7   -14 05 39     2.627    2.665   81.2   22.0   249   30.3 
2026-05-11 00:00 UT   22 03 30.2   -14 03 35     2.620    2.673   82.0   22.0   249   30.3 


    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.