2013 CS83
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	1 Jul 2026	24.6	0.677 AU	0.510 AU	04h10m	+13°43'	36.3°	117.2°

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 2013 CS83 are:

            e (Eccentricity)                : 0.6246253
            a (Semimajor axis)              : 1.5214302
            i (Inclination)                 : 9.87850
            Ω (Longitude of ascending node) : 337.72127
            ω (Argument of perihelion)      : 273.10360
            M (Mean anomaly)                : 254.28402
            Epoch                           : 2025 Nov 21

            L (Longitude of perihelion)     : 250.87148
            B (Latitude of perihelion)      : -9.86387
            P (Orbital period in years)     : 1.88            
        

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
2026-07-01 00:00 UT   04 10 09.4   +13 43 14     0.510    0.677   36.3  117.2   249   24.6 
2026-07-01 23:05 UT   04 07 23.5   +13 58 49     0.516    0.686   37.7  114.8   250   24.5 
2026-07-02 00:00 UT   04 07 17.2   +13 59 26     0.516    0.686   37.8  114.7   250   24.5 
2026-07-03 00:00 UT   04 04 39.2   +14 15 59     0.523    0.695   39.2  112.3   251   24.4 
2026-07-04 00:00 UT   04 02 14.8   +14 32 50     0.530    0.705   40.6  110.0   252   24.3 
2026-07-05 00:00 UT   04 00 03.1   +14 49 54     0.537    0.714   42.0  107.8   252   24.2 
2026-07-06 00:00 UT   03 58 03.5   +15 07 10     0.544    0.724   43.3  105.6   253   24.2 
2026-07-07 00:00 UT   03 56 15.3   +15 24 35     0.551    0.734   44.6  103.6   253   24.1 
2026-07-08 00:00 UT   03 54 37.6   +15 42 06     0.558    0.745   45.8  101.6   254   24.1 
2026-07-09 00:00 UT   03 53 09.8   +15 59 41     0.565    0.755   47.0   99.7   254   24.0 
2026-07-10 00:00 UT   03 51 51.2   +16 17 19     0.572    0.765   48.2   97.9   254   24.0 
2026-07-11 00:00 UT   03 50 41.1   +16 34 58     0.579    0.776   49.4   96.2   255   24.0 
2026-07-12 00:00 UT   03 49 38.7   +16 52 36     0.585    0.787   50.5   94.5   255   23.9 
2026-07-13 00:00 UT   03 48 43.6   +17 10 13     0.592    0.797   51.6   92.9   255   23.9 
2026-07-14 00:00 UT   03 47 55.1   +17 27 47     0.598    0.808   52.6   91.3   256   23.9 
2026-07-15 00:00 UT   03 47 12.6   +17 45 17     0.605    0.819   53.7   89.8   256   23.9 
2026-07-16 00:00 UT   03 46 35.6   +18 02 43     0.611    0.830   54.7   88.4   256   23.9 
2026-07-17 00:00 UT   03 46 03.7   +18 20 03     0.617    0.841   55.7   87.0   256   23.9 
2026-07-18 00:00 UT   03 45 36.4   +18 37 18     0.622    0.852   56.7   85.7   256   23.9 
2026-07-19 00:00 UT   03 45 13.1   +18 54 27     0.628    0.863   57.7   84.4   257   23.9 
2026-07-20 00:00 UT   03 44 53.6   +19 11 28     0.634    0.874   58.6   83.1   257   23.9 
2026-07-21 00:00 UT   03 44 37.5   +19 28 23     0.639    0.885   59.6   81.9   257   23.9 

    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.