2020 AO1
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	20 Mar 2026	29.1	2.748 AU	3.718 AU	23h12m	-02°32'	11.2°	4.0°

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
2026-03-20 00:00 UT   23 12 27.5   -02 32 12     3.718    2.748   11.2    4.0   259   29.1 
2026-03-20 14:05 UT   23 13 14.0   -02 27 01     3.718    2.750   11.6    4.2   259   29.1 
2026-03-21 00:00 UT   23 13 46.7   -02 23 21     3.719    2.752   11.8    4.3   258   29.1 
2026-03-22 00:00 UT   23 15 05.6   -02 14 30     3.720    2.755   12.4    4.5   258   29.1 
2026-03-23 00:00 UT   23 16 24.2   -02 05 40     3.721    2.759   13.1    4.7   257   29.2 
2026-03-24 00:00 UT   23 17 42.6   -01 56 51     3.721    2.763   13.7    4.9   257   29.2 
2026-03-25 00:00 UT   23 19 00.7   -01 48 03     3.722    2.767   14.3    5.1   256   29.2 
2026-03-26 00:00 UT   23 20 18.4   -01 39 15     3.722    2.771   14.9    5.3   256   29.2 
2026-03-27 00:00 UT   23 21 35.9   -01 30 29     3.722    2.774   15.6    5.5   256   29.2 
2026-03-28 00:00 UT   23 22 53.2   -01 21 43     3.722    2.778   16.2    5.8   255   29.2 
2026-03-29 00:00 UT   23 24 10.1   -01 12 58     3.722    2.782   16.8    6.0   255   29.2 
2026-03-30 00:00 UT   23 25 26.7   -01 04 15     3.721    2.785   17.5    6.2   255   29.3 
2026-03-31 00:00 UT   23 26 43.1   +00 55 32     3.721    2.789   18.1    6.4   254   29.3 
2026-04-01 00:00 UT   23 27 59.1   +00 46 50     3.720    2.792   18.7    6.6   254   29.3 
2026-04-02 00:00 UT   23 29 14.9   +00 38 09     3.719    2.796   19.4    6.8   254   29.3 
2026-04-03 00:00 UT   23 30 30.3   +00 29 30     3.718    2.799   20.0    7.0   254   29.3 
2026-04-04 00:00 UT   23 31 45.5   +00 20 51     3.717    2.803   20.6    7.2   253   29.3 
2026-04-05 00:00 UT   23 33 00.4   +00 12 14     3.715    2.807   21.3    7.4   253   29.3 
2026-04-06 00:00 UT   23 34 15.0   +00 03 37     3.713    2.810   21.9    7.6   253   29.3 
2026-04-07 00:00 UT   23 35 29.3   +00 04 58     3.711    2.813   22.5    7.8   253   29.4 
2026-04-08 00:00 UT   23 36 43.3   +00 13 32     3.709    2.817   23.2    8.0   253   29.4 
2026-04-09 00:00 UT   23 37 57.0   +00 22 04     3.707    2.820   23.8    8.2   252   29.4 
2026-04-10 00:00 UT   23 39 10.4   +00 30 36     3.705    2.824   24.5    8.5   252   29.4 
2026-04-11 00:00 UT   23 40 23.5   +00 39 06     3.702    2.827   25.1    8.7   252   29.4 
2026-04-12 00:00 UT   23 41 36.2   +00 47 34     3.699    2.830   25.8    8.9   252   29.4 
2026-04-13 00:00 UT   23 42 48.7   +00 56 02     3.696    2.834   26.4    9.1   252   29.4 

    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.