(332446) 2008 AF4
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	18 May 2026	22.7	1.869 AU	1.188 AU	11h59m	+15°25'	116.1°	29.1°

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 2008 AF4 are:

            e (Eccentricity)                : 0.4099486
            a (Semimajor axis)              : 1.3799692
            i (Inclination)                 : 8.93182
            Ω (Longitude of ascending node) : 109.30248
            ω (Argument of perihelion)      : 293.37413
            M (Mean anomaly)                : 29.75794
            Epoch                           : 2025 Nov 21

            L (Longitude of perihelion)     : 42.93224
            B (Latitude of perihelion)      : -8.19355
            P (Orbital period in years)     : 1.62            
        

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
2026-05-18 00:00 UT   11 59 47.4   +15 25 21     1.188    1.869  116.1   29.1   121   22.7 
2026-05-18 15:56 UT   11 59 52.0   +15 19 08     1.196    1.870  115.5   29.2   121   22.7 
2026-05-19 00:00 UT   11 59 54.6   +15 15 57     1.200    1.871  115.3   29.3   121   22.7 
2026-05-20 00:00 UT   12 00 03.9   +15 06 26     1.212    1.873  114.5   29.4   121   22.7 
2026-05-21 00:00 UT   12 00 15.3   +14 56 46     1.224    1.875  113.6   29.6   120   22.8 
2026-05-22 00:00 UT   12 00 28.6   +14 46 58     1.236    1.878  112.8   29.8   120   22.8 
2026-05-23 00:00 UT   12 00 43.9   +14 37 04     1.249    1.880  112.1   29.9   120   22.8 
2026-05-24 00:00 UT   12 01 01.1   +14 27 02     1.261    1.882  111.3   30.1   119   22.9 
2026-05-25 00:00 UT   12 01 20.1   +14 16 54     1.273    1.884  110.5   30.2   119   22.9 
2026-05-26 00:00 UT   12 01 41.0   +14 06 39     1.285    1.886  109.7   30.4   119   22.9 
2026-05-27 00:00 UT   12 02 03.6   +13 56 19     1.298    1.888  108.9   30.5   119   22.9 
2026-05-28 00:00 UT   12 02 28.0   +13 45 53     1.310    1.890  108.2   30.6   118   23.0 
2026-05-29 00:00 UT   12 02 54.0   +13 35 21     1.322    1.891  107.4   30.7   118   23.0 
2026-05-30 00:00 UT   12 03 21.7   +13 24 44     1.335    1.893  106.7   30.9   118   23.0 
2026-05-31 00:00 UT   12 03 51.0   +13 14 02     1.347    1.895  105.9   31.0   118   23.0 
2026-06-01 00:00 UT   12 04 21.8   +13 03 15     1.360    1.897  105.2   31.1   117   23.1 
2026-06-02 00:00 UT   12 04 54.2   +12 52 23     1.372    1.899  104.4   31.1   117   23.1 
2026-06-03 00:00 UT   12 05 28.1   +12 41 27     1.385    1.900  103.7   31.2   117   23.1 
2026-06-04 00:00 UT   12 06 03.4   +12 30 26     1.397    1.902  103.0   31.3   117   23.1 
2026-06-05 00:00 UT   12 06 40.1   +12 19 22     1.410    1.904  102.3   31.4   117   23.2 
2026-06-06 00:00 UT   12 07 18.3   +12 08 13     1.422    1.905  101.6   31.4   116   23.2 
2026-06-07 00:00 UT   12 07 57.8   +11 57 00     1.435    1.907  100.9   31.5   116   23.2 
2026-06-08 00:00 UT   12 08 38.7   +11 45 44     1.447    1.909  100.1   31.6   116   23.2 
2026-06-09 00:00 UT   12 09 20.9   +11 34 24     1.460    1.910   99.4   31.6   116   23.3 
2026-06-10 00:00 UT   12 10 04.3   +11 23 01     1.473    1.912   98.8   31.7   116   23.3 
2026-06-11 00:00 UT   12 10 49.0   +11 11 34     1.485    1.913   98.1   31.7   116   23.3 
2026-06-12 00:00 UT   12 11 35.0   +11 00 04     1.498    1.914   97.4   31.7   115   23.3 
2026-06-13 00:00 UT   12 12 22.1   +10 48 30     1.510    1.916   96.7   31.8   115   23.3 
2026-06-14 00:00 UT   12 13 10.5   +10 36 54     1.523    1.917   96.0   31.8   115   23.4 
2026-06-15 00:00 UT   12 13 60.0   +10 25 15     1.536    1.919   95.3   31.8   115   23.4 
2026-06-16 00:00 UT   12 14 50.6   +10 13 32     1.548    1.920   94.7   31.8   115   23.4 
2026-06-17 00:00 UT   12 15 42.4   +10 01 48     1.561    1.921   94.0   31.8   115   23.4 

    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.