2021 AF8
ephemeris date magn radius delta ra dec elong phase
Today25 Aug 202624.51.803 AU2.559 AU08h07m+26°08'33.4°18.0°
2021 AF8 - 2026-08-25
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 AF8 are:

            e (Eccentricity)                : 0.5170238
            a (Semimajor axis)              : 2.0154860
            i (Inclination)                 : 9.71036
            Ω (Longitude of ascending node) : 42.45481
            ω (Argument of perihelion)      : 168.96245
            M (Mean anomaly)                : 215.35629
            Epoch                           : 2025 Nov 21

            L (Longitude of perihelion)     : 31.57159
            B (Latitude of perihelion)      : 1.85051
            P (Orbital period in years)     : 2.86            
        

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
2026-08-25 00:00 UT   08 07 44.6   +26 08 51     2.559    1.803   33.4   18.0   291   24.5 
2026-08-25 15:30 UT   08 09 28.9   +26 04 55     2.551    1.798   33.6   18.1   291   24.5 
2026-08-26 00:00 UT   08 10 26.2   +26 02 43     2.546    1.796   33.8   18.2   291   24.5 
2026-08-27 00:00 UT   08 13 08.2   +25 56 24     2.534    1.789   34.1   18.5   291   24.5 
2026-08-28 00:00 UT   08 15 50.9   +25 49 54     2.521    1.782   34.4   18.7   292   24.4 
2026-08-29 00:00 UT   08 18 34.1   +25 43 13     2.509    1.775   34.8   18.9   292   24.4 
2026-08-30 00:00 UT   08 21 17.8   +25 36 20     2.496    1.768   35.1   19.2   292   24.4 
2026-08-31 00:00 UT   08 24 02.2   +25 29 15     2.484    1.761   35.5   19.4   292   24.4 
2026-09-01 00:00 UT   08 26 47.1   +25 21 59     2.471    1.755   35.8   19.7   292   24.4 
2026-09-02 00:00 UT   08 29 32.6   +25 14 32     2.459    1.748   36.1   19.9   292   24.4 
2026-09-03 00:00 UT   08 32 18.6   +25 06 52     2.446    1.741   36.4   20.1   293   24.4 
2026-09-04 00:00 UT   08 35 05.3   +24 59 01     2.433    1.734   36.8   20.4   293   24.4 
2026-09-05 00:00 UT   08 37 52.5   +24 50 57     2.421    1.727   37.1   20.6   293   24.3 
2026-09-06 00:00 UT   08 40 40.3   +24 42 41     2.408    1.720   37.4   20.9   293   24.3 
2026-09-07 00:00 UT   08 43 28.7   +24 34 13     2.395    1.712   37.7   21.1   293   24.3 


    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.