2019 SJ8
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	7 Dec 2025	27.0	1.233 AU	1.072 AU	11h51m	-08°41'	73.5°	50.0°

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 2019 SJ8 are:

            e (Eccentricity)                : 0.3698517
            a (Semimajor axis)              : 1.5622109
            i (Inclination)                 : 8.25266
            Ω (Longitude of ascending node) : 199.08870
            ω (Argument of perihelion)      : 216.38259
            M (Mean anomaly)                : 29.73288
            Epoch                           : 2025 Nov 21

            L (Longitude of perihelion)     : 235.18692
            B (Latitude of perihelion)      : -4.88427
            P (Orbital period in years)     : 1.95            
        

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
2025-12-07 00:00 UT   11 51 23.0   -08 41 00     1.072    1.233   73.5   50.0   291   27.0 
2025-12-07 08:05 UT   11 52 07.1   -08 45 46     1.072    1.234   73.6   50.0   291   27.0 
2025-12-08 00:00 UT   11 53 33.4   -08 55 05     1.071    1.238   73.9   49.9   291   27.0 
2025-12-09 00:00 UT   11 55 42.6   -09 08 58     1.070    1.243   74.3   49.7   291   27.0 
2025-12-10 00:00 UT   11 57 50.4   -09 22 40     1.069    1.249   74.7   49.6   291   27.0 
2025-12-11 00:00 UT   11 59 56.8   -09 36 11     1.068    1.254   75.2   49.4   291   27.0 
2025-12-12 00:00 UT   12 02 01.8   -09 49 29     1.067    1.259   75.6   49.2   291   27.0 
2025-12-13 00:00 UT   12 04 05.4   -10 02 37     1.065    1.265   76.1   49.1   292   27.0 
2025-12-14 00:00 UT   12 06 07.6   -10 15 32     1.064    1.270   76.5   48.9   292   27.0 
2025-12-15 00:00 UT   12 08 08.4   -10 28 16     1.062    1.275   77.0   48.8   292   27.0 
2025-12-16 00:00 UT   12 10 07.8   -10 40 47     1.061    1.281   77.5   48.6   292   27.0 
2025-12-17 00:00 UT   12 12 05.7   -10 53 07     1.059    1.286   77.9   48.4   292   27.0 
2025-12-18 00:00 UT   12 14 02.1   -11 05 14     1.057    1.292   78.4   48.3   292   27.0 
2025-12-19 00:00 UT   12 15 57.0   -11 17 09     1.055    1.297   78.9   48.1   292   27.0 
2025-12-20 00:00 UT   12 17 50.5   -11 28 51     1.053    1.303   79.4   47.9   292   27.0 
2025-12-21 00:00 UT   12 19 42.4   -11 40 21     1.051    1.308   79.9   47.8   292   27.0 
2025-12-22 00:00 UT   12 21 32.8   -11 51 38     1.048    1.314   80.5   47.6   292   27.0 

    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.