2019 SJ8
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	21 Dec 2025	27.0	1.308 AU	1.051 AU	12h19m	-11°40'	79.9°	47.8°

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 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
2025-12-21 00:00 UT   12 19 42.4   -11 40 21     1.051    1.308   79.9   47.8   292   27.0 
2025-12-21 13:55 UT   12 20 46.6   -11 46 55     1.049    1.311   80.2   47.7   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 
2025-12-23 00:00 UT   12 23 21.6   -12 02 42     1.046    1.319   81.0   47.4   292   27.0 
2025-12-24 00:00 UT   12 25 08.8   -12 13 33     1.044    1.324   81.5   47.3   292   27.0 
2025-12-25 00:00 UT   12 26 54.5   -12 24 12     1.041    1.330   82.1   47.1   292   27.0 
2025-12-26 00:00 UT   12 28 38.5   -12 34 37     1.039    1.335   82.6   46.9   292   27.0 
2025-12-27 00:00 UT   12 30 20.9   -12 44 49     1.036    1.341   83.2   46.7   292   27.0 
2025-12-28 00:00 UT   12 32 01.7   -12 54 48     1.033    1.346   83.7   46.6   293   27.0 
2025-12-29 00:00 UT   12 33 40.8   -13 04 33     1.030    1.352   84.3   46.4   293   27.0 
2025-12-30 00:00 UT   12 35 18.2   -13 14 05     1.027    1.357   84.9   46.2   293   27.0 
2025-12-31 00:00 UT   12 36 53.9   -13 23 24     1.024    1.363   85.5   46.0   293   27.0 
2026-01-01 00:00 UT   12 38 28.0   -13 32 28     1.021    1.368   86.1   45.8   293   27.0 
2026-01-02 00:00 UT   12 40 00.2   -13 41 20     1.018    1.374   86.7   45.6   293   27.0 
2026-01-03 00:00 UT   12 41 30.7   -13 49 57     1.015    1.379   87.3   45.4   293   27.0 
2026-01-04 00:00 UT   12 42 59.4   -13 58 20     1.011    1.385   87.9   45.2   293   27.0 
2026-01-05 00:00 UT   12 44 26.3   -14 06 29     1.008    1.390   88.5   45.0   293   27.0 
2026-01-06 00:00 UT   12 45 51.4   -14 14 24     1.004    1.396   89.2   44.8   293   26.9 
2026-01-07 00:00 UT   12 47 14.5   -14 22 05     1.001    1.401   89.8   44.6   293   26.9 
2026-01-08 00:00 UT   12 48 35.8   -14 29 31     0.997    1.407   90.5   44.4   293   26.9 
2026-01-09 00:00 UT   12 49 55.1   -14 36 42     0.993    1.412   91.2   44.1   293   26.9 
2026-01-10 00:00 UT   12 51 12.4   -14 43 38     0.990    1.417   91.8   43.9   293   26.9 

    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.