2020 AO1
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	15 Aug 2026	28.9	3.085 AU	2.407 AU	00h58m	+11°41'	123.6°	15.9°

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
2026-08-15 00:00 UT   00 58 57.2   +11 41 02     2.407    3.085  123.6   15.9   244   28.9 
2026-08-15 10:12 UT   00 58 46.7   +11 40 46     2.402    3.086  124.1   15.8   244   28.9 
2026-08-16 00:00 UT   00 58 32.0   +11 40 21     2.395    3.086  124.7   15.7   244   28.9 
2026-08-17 00:00 UT   00 58 05.4   +11 39 31     2.384    3.087  125.7   15.4   244   28.9 
2026-08-18 00:00 UT   00 57 37.3   +11 38 31     2.373    3.088  126.8   15.2   243   28.9 
2026-08-19 00:00 UT   00 57 07.7   +11 37 21     2.362    3.088  127.9   15.0   243   28.8 
2026-08-20 00:00 UT   00 56 36.7   +11 36 02     2.351    3.089  128.9   14.8   243   28.8 
2026-08-21 00:00 UT   00 56 04.3   +11 34 34     2.340    3.090  130.0   14.5   243   28.8 
2026-08-22 00:00 UT   00 55 30.4   +11 32 56     2.330    3.090  131.1   14.3   243   28.8 
2026-08-23 00:00 UT   00 54 55.1   +11 31 08     2.319    3.091  132.2   14.0   242   28.8 
2026-08-24 00:00 UT   00 54 18.4   +11 29 11     2.309    3.092  133.3   13.8   242   28.8 
2026-08-25 00:00 UT   00 53 40.3   +11 27 04     2.299    3.092  134.4   13.5   242   28.7 
2026-08-26 00:00 UT   00 53 00.8   +11 24 46     2.289    3.093  135.6   13.2   242   28.7 
2026-08-27 00:00 UT   00 52 20.0   +11 22 20     2.280    3.093  136.7   13.0   241   28.7 
2026-08-28 00:00 UT   00 51 37.7   +11 19 43     2.270    3.094  137.8   12.7   241   28.7 
2026-08-29 00:00 UT   00 50 54.2   +11 16 56     2.261    3.094  138.9   12.4   241   28.7 
2026-08-30 00:00 UT   00 50 09.2   +11 13 59     2.252    3.095  140.1   12.1   241   28.6 
2026-08-31 00:00 UT   00 49 23.0   +11 10 53     2.243    3.095  141.2   11.8   240   28.6 
2026-09-01 00:00 UT   00 48 35.5   +11 07 36     2.235    3.096  142.4   11.5   240   28.6 
2026-09-02 00:00 UT   00 47 46.7   +11 04 10     2.226    3.096  143.5   11.2   240   28.6 
2026-09-03 00:00 UT   00 46 56.6   +11 00 34     2.218    3.097  144.7   10.9   239   28.6 
2026-09-04 00:00 UT   00 46 05.3   +10 56 47     2.210    3.097  145.9   10.5   239   28.5 
2026-09-05 00:00 UT   00 45 12.8   +10 52 51     2.203    3.098  147.0   10.2   238   28.5 
2026-09-06 00:00 UT   00 44 19.2   +10 48 45     2.195    3.098  148.2    9.9   238   28.5 
2026-09-07 00:00 UT   00 43 24.3   +10 44 30     2.188    3.098  149.4    9.5   237   28.5 
2026-09-08 00:00 UT   00 42 28.4   +10 40 05     2.181    3.099  150.6    9.2   237   28.5 
2026-09-09 00:00 UT   00 41 31.4   +10 35 30     2.175    3.099  151.8    8.8   236   28.4 
2026-09-10 00:00 UT   00 40 33.4   +10 30 46     2.168    3.099  153.0    8.5   236   28.4 
2026-09-11 00:00 UT   00 39 34.4   +10 25 52     2.162    3.100  154.1    8.1   235   28.4 
2026-09-12 00:00 UT   00 38 34.4   +10 20 50     2.156    3.100  155.3    7.8   234   28.4 
2026-09-13 00:00 UT   00 37 33.5   +10 15 38     2.151    3.100  156.5    7.4   233   28.4 
2026-09-14 00:00 UT   00 36 31.8   +10 10 18     2.146    3.100  157.7    7.1   233   28.3 

    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.