2020 AO1
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	17 May 2026	29.6	2.934 AU	3.496 AU	00h20m	+05°25'	49.0°	15.1°

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 2020 AO1 are:

            e (Eccentricity)                : 0.6265873
            a (Semimajor axis)              : 1.9067072
            i (Inclination)                 : 4.18814
            Ω (Longitude of ascending node) : 294.38816
            ω (Argument of perihelion)      : 252.40199
            M (Mean anomaly)                : 64.70986
            Epoch                           : 2025 Nov 21

            L (Longitude of perihelion)     : 6.74595
            B (Latitude of perihelion)      : -3.99181
            P (Orbital period in years)     : 2.63            
        

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
2026-05-17 00:00 UT   00 20 21.5   +05 25 32     3.496    2.934   49.0   15.1   249   29.6 
2026-05-17 11:39 UT   00 20 50.3   +05 29 05     3.492    2.935   49.3   15.1   249   29.6 
2026-05-18 00:00 UT   00 21 20.7   +05 32 49     3.488    2.937   49.7   15.2   249   29.6 
2026-05-19 00:00 UT   00 22 19.4   +05 40 03     3.479    2.939   50.4   15.4   249   29.6 
2026-05-20 00:00 UT   00 23 17.6   +05 47 15     3.470    2.942   51.1   15.5   249   29.6 
2026-05-21 00:00 UT   00 24 15.4   +05 54 23     3.461    2.944   51.8   15.7   249   29.6 
2026-05-22 00:00 UT   00 25 12.7   +06 01 29     3.452    2.947   52.5   15.8   249   29.6 
2026-05-23 00:00 UT   00 26 09.5   +06 08 32     3.443    2.949   53.2   15.9   249   29.6 
2026-05-24 00:00 UT   00 27 05.7   +06 15 32     3.433    2.952   53.9   16.1   249   29.6 
2026-05-25 00:00 UT   00 28 01.5   +06 22 29     3.424    2.954   54.6   16.2   249   29.6 
2026-05-26 00:00 UT   00 28 56.8   +06 29 24     3.414    2.956   55.3   16.4   249   29.6 
2026-05-27 00:00 UT   00 29 51.5   +06 36 15     3.404    2.959   56.0   16.5   249   29.6 
2026-05-28 00:00 UT   00 30 45.7   +06 43 03     3.394    2.961   56.7   16.6   249   29.6 
2026-05-29 00:00 UT   00 31 39.4   +06 49 48     3.384    2.964   57.4   16.7   249   29.6 
2026-05-30 00:00 UT   00 32 32.5   +06 56 30     3.374    2.966   58.1   16.9   249   29.6 
2026-05-31 00:00 UT   00 33 25.1   +07 03 10     3.364    2.968   58.8   17.0   249   29.6 
2026-06-01 00:00 UT   00 34 17.1   +07 09 45     3.353    2.971   59.5   17.1   249   29.6 
2026-06-02 00:00 UT   00 35 08.5   +07 16 18     3.343    2.973   60.2   17.2   249   29.6 
2026-06-03 00:00 UT   00 35 59.4   +07 22 48     3.332    2.975   61.0   17.3   249   29.6 
2026-06-04 00:00 UT   00 36 49.7   +07 29 14     3.321    2.977   61.7   17.5   249   29.6 
2026-06-05 00:00 UT   00 37 39.4   +07 35 37     3.310    2.979   62.4   17.6   249   29.6 
2026-06-06 00:00 UT   00 38 28.6   +07 41 56     3.299    2.982   63.1   17.7   249   29.6 
2026-06-07 00:00 UT   00 39 17.1   +07 48 13     3.288    2.984   63.9   17.8   249   29.6 
2026-06-08 00:00 UT   00 40 05.0   +07 54 25     3.277    2.986   64.6   17.9   248   29.6 
2026-06-09 00:00 UT   00 40 52.2   +08 00 35     3.266    2.988   65.3   18.0   248   29.6 
2026-06-10 00:00 UT   00 41 38.9   +08 06 40     3.254    2.990   66.1   18.1   248   29.6 
2026-06-11 00:00 UT   00 42 24.8   +08 12 42     3.243    2.992   66.8   18.2   248   29.6 
2026-06-12 00:00 UT   00 43 10.1   +08 18 40     3.231    2.994   67.6   18.3   248   29.6 
2026-06-13 00:00 UT   00 43 54.8   +08 24 35     3.219    2.996   68.3   18.4   248   29.6 
2026-06-14 00:00 UT   00 44 38.7   +08 30 26     3.207    2.998   69.1   18.4   248   29.6 
2026-06-15 00:00 UT   00 45 22.0   +08 36 12     3.195    3.000   69.8   18.5   248   29.6 
2026-06-16 00:00 UT   00 46 04.5   +08 41 55     3.183    3.002   70.6   18.6   248   29.6 

    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.