2020 SA5
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	5 Dec 2025	31.2	3.900 AU	3.042 AU	07h10m	+20°15'	146.3°	8.1°

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 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
2025-12-05 00:00 UT   07 10 06.3   +20 15 34     3.042    3.900  146.3    8.1   280   31.2 
2025-12-05 06:28 UT   07 09 53.3   +20 15 52     3.041    3.901  146.6    8.0   280   31.2 
2025-12-06 00:00 UT   07 09 17.9   +20 16 40     3.036    3.903  147.5    7.8   280   31.2 
2025-12-07 00:00 UT   07 08 28.6   +20 17 48     3.031    3.906  148.7    7.5   280   31.2 
2025-12-08 00:00 UT   07 07 38.4   +20 18 56     3.026    3.909  149.9    7.3   280   31.2 
2025-12-09 00:00 UT   07 06 47.2   +20 20 06     3.021    3.912  151.1    7.0   281   31.2 
2025-12-10 00:00 UT   07 05 55.2   +20 21 17     3.016    3.915  152.3    6.7   281   31.2 
2025-12-11 00:00 UT   07 05 02.3   +20 22 29     3.011    3.918  153.5    6.4   281   31.2 
2025-12-12 00:00 UT   07 04 08.7   +20 23 42     3.007    3.920  154.7    6.2   281   31.1 
2025-12-13 00:00 UT   07 03 14.2   +20 24 56     3.004    3.923  156.0    5.9   281   31.1 
2025-12-14 00:00 UT   07 02 19.0   +20 26 10     3.000    3.926  157.2    5.6   281   31.1 
2025-12-15 00:00 UT   07 01 23.1   +20 27 26     2.997    3.929  158.4    5.3   282   31.1 
2025-12-16 00:00 UT   07 00 26.6   +20 28 41     2.994    3.932  159.6    5.0   282   31.1 
2025-12-17 00:00 UT   06 59 29.4   +20 29 57     2.991    3.934  160.9    4.7   282   31.1 
2025-12-18 00:00 UT   06 58 31.6   +20 31 14     2.989    3.937  162.1    4.4   283   31.0 
2025-12-19 00:00 UT   06 57 33.2   +20 32 31     2.987    3.940  163.4    4.1   283   31.0 
2025-12-20 00:00 UT   06 56 34.4   +20 33 48     2.985    3.943  164.6    3.8   284   31.0 
2025-12-21 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 

    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.