2020 SA5
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	25 Oct 2025	31.7	3.770 AU	3.447 AU	07h26m	+20°01'	101.3°	15.0°

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 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
2025-10-25 00:00 UT   07 26 12.4   +20 01 23     3.447    3.770  101.3   15.0   279   31.7 
2025-10-25 08:51 UT   07 26 13.0   +20 01 12     3.442    3.771  101.6   15.0   279   31.7 
2025-10-26 00:00 UT   07 26 13.7   +20 00 54     3.435    3.773  102.3   14.9   279   31.7 
2025-10-27 00:00 UT   07 26 13.9   +20 00 27     3.423    3.777  103.3   14.8   279   31.7 
2025-10-28 00:00 UT   07 26 12.8   +20 00 03     3.410    3.780  104.3   14.8   279   31.7 
2025-10-29 00:00 UT   07 26 10.5   +19 59 41     3.398    3.783  105.3   14.7   279   31.7 
2025-10-30 00:00 UT   07 26 06.9   +19 59 22     3.386    3.787  106.3   14.6   279   31.7 
2025-10-31 00:00 UT   07 26 02.2   +19 59 05     3.375    3.790  107.3   14.5   279   31.6 
2025-11-01 00:00 UT   07 25 56.2   +19 58 51     3.363    3.794  108.3   14.4   279   31.6 
2025-11-02 00:00 UT   07 25 48.9   +19 58 39     3.351    3.797  109.3   14.3   279   31.6 
2025-11-03 00:00 UT   07 25 40.4   +19 58 30     3.339    3.800  110.4   14.2   279   31.6 
2025-11-04 00:00 UT   07 25 30.7   +19 58 23     3.328    3.804  111.4   14.1   279   31.6 
2025-11-05 00:00 UT   07 25 19.7   +19 58 20     3.316    3.807  112.4   13.9   279   31.6 
2025-11-06 00:00 UT   07 25 07.4   +19 58 18     3.305    3.810  113.5   13.8   279   31.6 
2025-11-07 00:00 UT   07 24 53.8   +19 58 20     3.294    3.813  114.6   13.7   279   31.6 
2025-11-08 00:00 UT   07 24 39.0   +19 58 24     3.282    3.817  115.6   13.5   279   31.6 
2025-11-09 00:00 UT   07 24 22.9   +19 58 30     3.271    3.820  116.7   13.4   279   31.6 
2025-11-10 00:00 UT   07 24 05.6   +19 58 40     3.260    3.823  117.7   13.3   279   31.5 
2025-11-11 00:00 UT   07 23 46.9   +19 58 51     3.249    3.827  118.8   13.1   279   31.5 
2025-11-12 00:00 UT   07 23 27.0   +19 59 06     3.239    3.830  119.9   12.9   279   31.5 
2025-11-13 00:00 UT   07 23 05.8   +19 59 23     3.228    3.833  121.0   12.8   279   31.5 
2025-11-14 00:00 UT   07 22 43.3   +19 59 43     3.218    3.836  122.1   12.6   279   31.5 
2025-11-15 00:00 UT   07 22 19.5   +20 00 05     3.207    3.839  123.2   12.5   279   31.5 
2025-11-16 00:00 UT   07 21 54.4   +20 00 30     3.197    3.843  124.3   12.3   279   31.5 
2025-11-17 00:00 UT   07 21 28.0   +20 00 57     3.187    3.846  125.4   12.1   279   31.5 
2025-11-18 00:00 UT   07 21 00.4   +20 01 27     3.178    3.849  126.5   11.9   279   31.5 
2025-11-19 00:00 UT   07 20 31.5   +20 01 59     3.168    3.852  127.6   11.7   279   31.4 
2025-11-20 00:00 UT   07 20 01.3   +20 02 34     3.158    3.855  128.8   11.5   280   31.4 
2025-11-21 00:00 UT   07 19 29.9   +20 03 11     3.149    3.858  129.9   11.3   280   31.4 
2025-11-22 00:00 UT   07 18 57.2   +20 03 51     3.140    3.861  131.0   11.1   280   31.4 
2025-11-23 00:00 UT   07 18 23.3   +20 04 33     3.131    3.864  132.2   10.9   280   31.4 
2025-11-24 00:00 UT   07 17 48.2   +20 05 17     3.123    3.867  133.3   10.7   280   31.4 

    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.