(216) Kleopatra
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Opposition	21 Jun 2026	11.4	3.045 AU	2.056 AU	18h03m	-07°16'	163.8°	5.3°
Today	9 Jul 2026	11.6	3.005 AU	2.055 AU	17h48m	-06°53'	154.7°	8.3°

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 Kleopatra are:

            e (Eccentricity)                : 0.2501677
            a (Semimajor axis)              : 2.7952727
            i (Inclination)                 : 13.11553
            Ω (Longitude of ascending node) : 215.30982
            ω (Argument of perihelion)      : 179.76980
            M (Mean anomaly)                : 259.85670
            Epoch                           : 2026 Jun 09

            L (Longitude of perihelion)     : 215.08562
            B (Latitude of perihelion)      : 0.05224
            P (Orbital period in years)     : 4.67            
        

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
2026-07-09 00:00 UT   17 48 24.3   -06 53 23     2.055    3.005  154.7    8.3   130   11.6 
2026-07-09 07:07 UT   17 48 10.1   -06 53 19     2.056    3.005  154.4    8.4   130   11.6 
2026-07-10 00:00 UT   17 47 36.8   -06 53 12     2.057    3.003  153.8    8.6   128   11.6 
2026-07-11 00:00 UT   17 46 50.1   -06 53 08     2.060    3.001  152.9    8.9   127   11.6 
2026-07-12 00:00 UT   17 46 04.2   -06 53 11     2.063    2.999  152.0    9.2   125   11.6 
2026-07-13 00:00 UT   17 45 19.1   -06 53 21     2.066    2.996  151.1    9.4   124   11.6 
2026-07-14 00:00 UT   17 44 35.0   -06 53 39     2.069    2.994  150.2    9.7   123   11.6 
2026-07-15 00:00 UT   17 43 51.7   -06 54 04     2.073    2.992  149.2   10.0   121   11.6 
2026-07-16 00:00 UT   17 43 09.4   -06 54 35     2.077    2.989  148.3   10.3   120   11.6 
2026-07-17 00:00 UT   17 42 28.1   -06 55 14     2.081    2.987  147.3   10.6   119   11.7 
2026-07-18 00:00 UT   17 41 47.8   -06 55 59     2.085    2.985  146.4   10.9   118   11.7 
2026-07-19 00:00 UT   17 41 08.6   -06 56 52     2.089    2.982  145.4   11.2   117   11.7 
2026-07-20 00:00 UT   17 40 30.5   -06 57 50     2.094    2.980  144.4   11.4   116   11.7 
2026-07-21 00:00 UT   17 39 53.5   -06 58 56     2.099    2.978  143.5   11.7   115   11.7 
2026-07-22 00:00 UT   17 39 17.6   -07 00 08     2.104    2.975  142.5   12.0   115   11.7 
2026-07-23 00:00 UT   17 38 43.0   -07 01 26     2.110    2.973  141.5   12.3   114   11.7 
2026-07-24 00:00 UT   17 38 09.6   -07 02 50     2.115    2.971  140.6   12.5   113   11.8 
2026-07-25 00:00 UT   17 37 37.4   -07 04 20     2.121    2.968  139.6   12.8   112   11.8 
2026-07-26 00:00 UT   17 37 06.4   -07 05 56     2.127    2.966  138.6   13.1   112   11.8 
2026-07-27 00:00 UT   17 36 36.7   -07 07 38     2.133    2.964  137.7   13.3   111   11.8 
2026-07-28 00:00 UT   17 36 08.4   -07 09 25     2.139    2.961  136.7   13.6   110   11.8 
2026-07-29 00:00 UT   17 35 41.3   -07 11 18     2.146    2.959  135.7   13.9   110   11.8 
2026-07-30 00:00 UT   17 35 15.5   -07 13 16     2.153    2.957  134.7   14.1   109   11.8 
2026-07-31 00:00 UT   17 34 51.1   -07 15 20     2.160    2.954  133.8   14.4   109   11.9 
2026-08-01 00:00 UT   17 34 28.0   -07 17 29     2.167    2.952  132.8   14.6   108   11.9 
2026-08-02 00:00 UT   17 34 06.3   -07 19 43     2.174    2.949  131.9   14.8   108   11.9 
2026-08-03 00:00 UT   17 33 46.0   -07 22 01     2.181    2.947  130.9   15.1   107   11.9 
2026-08-04 00:00 UT   17 33 27.0   -07 24 25     2.189    2.945  129.9   15.3   107   11.9 
2026-08-05 00:00 UT   17 33 09.5   -07 26 53     2.196    2.942  129.0   15.5   106   11.9 
2026-08-06 00:00 UT   17 32 53.4   -07 29 25     2.204    2.940  128.0   15.8   106   11.9 
2026-08-07 00:00 UT   17 32 38.6   -07 32 02     2.212    2.937  127.1   16.0   105   12.0 
2026-08-08 00:00 UT   17 32 25.4   -07 34 43     2.220    2.935  126.1   16.2   105   12.0 

    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.