(216) Kleopatra
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	13 Jun 2026	11.5	3.063 AU	2.086 AU	18h10m	-07°40'	160.8°	6.3°
Opposition	21 Jun 2026	11.4	3.045 AU	2.056 AU	18h03m	-07°16'	163.8°	5.3°

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
2026-06-13 00:00 UT   18 10 46.8   -07 40 59     2.086    3.063  160.8    6.3   215   11.5 
2026-06-13 11:35 UT   18 10 22.6   -07 39 23     2.084    3.062  161.1    6.2   213   11.5 
2026-06-14 00:00 UT   18 09 56.6   -07 37 43     2.081    3.061  161.4    6.1   212   11.5 
2026-06-15 00:00 UT   18 09 05.9   -07 34 33     2.077    3.059  161.9    5.9   209   11.5 
2026-06-16 00:00 UT   18 08 14.7   -07 31 29     2.073    3.057  162.4    5.8   205   11.5 
2026-06-17 00:00 UT   18 07 23.1   -07 28 32     2.069    3.055  162.8    5.6   202   11.5 
2026-06-18 00:00 UT   18 06 31.1   -07 25 41     2.066    3.052  163.2    5.5   198   11.5 
2026-06-19 00:00 UT   18 05 38.8   -07 22 58     2.062    3.050  163.5    5.4   194   11.5 
2026-06-20 00:00 UT   18 04 46.3   -07 20 21     2.060    3.048  163.7    5.4   190   11.4 
2026-06-21 00:00 UT   18 03 53.5   -07 17 51     2.057    3.046  163.8    5.3   186   11.4 
2026-06-22 00:00 UT   18 03 00.6   -07 15 28     2.054    3.044  163.8    5.3   182   11.4 
2026-06-23 00:00 UT   18 02 07.6   -07 13 11     2.052    3.041  163.8    5.4   177   11.4 
2026-06-24 00:00 UT   18 01 14.5   -07 11 02     2.050    3.039  163.6    5.4   173   11.4 
2026-06-25 00:00 UT   18 00 21.4   -07 09 01     2.049    3.037  163.4    5.5   169   11.4 
2026-06-26 00:00 UT   17 59 28.4   -07 07 06     2.048    3.035  163.2    5.6   165   11.4 
2026-06-27 00:00 UT   17 58 35.4   -07 05 18     2.047    3.033  162.8    5.7   162   11.4 
2026-06-28 00:00 UT   17 57 42.6   -07 03 38     2.046    3.030  162.4    5.8   158   11.4 
2026-06-29 00:00 UT   17 56 49.9   -07 02 05     2.045    3.028  161.9    6.0   155   11.4 
2026-06-30 00:00 UT   17 55 57.5   -07 00 40     2.045    3.026  161.4    6.2   151   11.5 
2026-07-01 00:00 UT   17 55 05.4   -06 59 22     2.045    3.024  160.8    6.4   148   11.5 
2026-07-02 00:00 UT   17 54 13.6   -06 58 11     2.045    3.021  160.1    6.6   145   11.5 
2026-07-03 00:00 UT   17 53 22.2   -06 57 08     2.046    3.019  159.5    6.8   143   11.5 
2026-07-04 00:00 UT   17 52 31.2   -06 56 12     2.047    3.017  158.7    7.0   140   11.5 
2026-07-05 00:00 UT   17 51 40.7   -06 55 23     2.048    3.015  158.0    7.3   138   11.5 
2026-07-06 00:00 UT   17 50 50.7   -06 54 42     2.049    3.012  157.2    7.5   136   11.5 
2026-07-07 00:00 UT   17 50 01.3   -06 54 08     2.051    3.010  156.4    7.8   134   11.5 
2026-07-08 00:00 UT   17 49 12.4   -06 53 42     2.053    3.008  155.5    8.0   132   11.5 
2026-07-09 00:00 UT   17 48 24.3   -06 53 23     2.055    3.005  154.7    8.3   130   11.6 
2026-07-10 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 

    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.