2020 SA5
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	20 Dec 2025	31.0	3.943 AU	2.985 AU	06h56m	+20°33'	164.6°	3.8°

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 SA5 are:

            e (Eccentricity)                : 0.6884474
            a (Semimajor axis)              : 2.5201142
            i (Inclination)                 : 1.93462
            Ω (Longitude of ascending node) : 160.21412
            ω (Argument of perihelion)      : 134.63206
            M (Mean anomaly)                : 115.35599
            Epoch                           : 2025 Nov 21

            L (Longitude of perihelion)     : 114.86251
            B (Latitude of perihelion)      : 1.37661
            P (Orbital period in years)     : 4.00            
        

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
2025-12-20 00:00 UT   06 56 34.4   +20 33 48     2.985    3.943  164.6    3.8   284   31.0 
2025-12-20 03:23 UT   06 56 26.1   +20 33 59     2.985    3.943  164.8    3.8   284   31.0 
2025-12-21 00:00 UT   06 55 35.1   +20 35 06     2.984    3.945  165.8    3.5   284   31.0 
2025-12-22 00:00 UT   06 54 35.4   +20 36 23     2.983    3.948  167.1    3.2   285   31.0 
2025-12-23 00:00 UT   06 53 35.3   +20 37 40     2.982    3.951  168.3    2.9   286   31.0 
2025-12-24 00:00 UT   06 52 34.9   +20 38 58     2.982    3.954  169.5    2.6   287   30.9 
2025-12-25 00:00 UT   06 51 34.3   +20 40 15     2.982    3.956  170.7    2.3   289   30.9 
2025-12-26 00:00 UT   06 50 33.4   +20 41 32     2.983    3.959  172.0    2.0   291   30.9 
2025-12-27 00:00 UT   06 49 32.3   +20 42 48     2.983    3.962  173.2    1.7   294   30.9 
2025-12-28 00:00 UT   06 48 31.0   +20 44 04     2.984    3.964  174.3    1.4   298   30.9 
2025-12-29 00:00 UT   06 47 29.7   +20 45 20     2.986    3.967  175.5    1.1   304   30.8 
2025-12-30 00:00 UT   06 46 28.4   +20 46 35     2.987    3.969  176.5    0.9   314   30.8 
2025-12-31 00:00 UT   06 45 27.0   +20 47 49     2.989    3.972  177.4    0.7   332   30.8 
2026-01-01 00:00 UT   06 44 25.7   +20 49 03     2.992    3.975  177.8    0.6   360   30.8 
2026-01-02 00:00 UT   06 43 24.5   +20 50 16     2.994    3.977  177.5    0.6    30   30.8 
2026-01-03 00:00 UT   06 42 23.4   +20 51 29     2.998    3.980  176.8    0.8    51   30.8 
2026-01-04 00:00 UT   06 41 22.5   +20 52 41     3.001    3.982  175.8    1.0    63   30.8 
2026-01-05 00:00 UT   06 40 21.9   +20 53 51     3.005    3.985  174.7    1.3    70   30.9 
2026-01-06 00:00 UT   06 39 21.5   +20 55 01     3.009    3.987  173.5    1.6    74   30.9 
2026-01-07 00:00 UT   06 38 21.4   +20 56 10     3.013    3.990  172.3    1.9    77   30.9 
2026-01-08 00:00 UT   06 37 21.6   +20 57 19     3.018    3.992  171.1    2.2    80   31.0 
2026-01-09 00:00 UT   06 36 22.3   +20 58 26     3.023    3.995  169.9    2.5    81   31.0 
2026-01-10 00:00 UT   06 35 23.4   +20 59 32     3.028    3.997  168.7    2.8    83   31.0 
2026-01-11 00:00 UT   06 34 24.9   +21 00 37     3.034    4.000  167.4    3.1    84   31.0 
2026-01-12 00:00 UT   06 33 27.0   +21 01 42     3.040    4.002  166.2    3.4    84   31.1 
2026-01-13 00:00 UT   06 32 29.7   +21 02 45     3.046    4.005  165.0    3.6    85   31.1 
2026-01-14 00:00 UT   06 31 32.9   +21 03 48     3.053    4.007  163.8    3.9    86   31.1 
2026-01-15 00:00 UT   06 30 36.8   +21 04 49     3.060    4.009  162.5    4.2    86   31.1 
2026-01-16 00:00 UT   06 29 41.4   +21 05 49     3.068    4.012  161.3    4.5    87   31.1 
2026-01-17 00:00 UT   06 28 46.7   +21 06 49     3.075    4.014  160.1    4.8    87   31.2 
2026-01-18 00:00 UT   06 27 52.7   +21 07 47     3.083    4.017  158.9    5.1    87   31.2 
2026-01-19 00:00 UT   06 26 59.5   +21 08 45     3.091    4.019  157.7    5.3    87   31.2 

    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.