(179) Klytaemnestra
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	10 Jan 2026	13.6	2.676 AU	2.791 AU	23h59m	+06°08'	73.1°	20.6°
Opposition	29 Dec 2026	12.4	3.004 AU	2.023 AU	06h33m	+18°05'	174.8°	1.7°

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 Klytaemnestra are:

            e (Eccentricity)                : 0.1092656
            a (Semimajor axis)              : 2.9727345
            i (Inclination)                 : 7.81742
            Ω (Longitude of ascending node) : 251.82174
            ω (Argument of perihelion)      : 104.49490
            M (Mean anomaly)                : 11.69658
            Epoch                           : 2025 Nov 21

            L (Longitude of perihelion)     : 176.44681
            B (Latitude of perihelion)      : 7.56711
            P (Orbital period in years)     : 5.13            
        

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
2026-01-10 00:00 UT   23 59 46.5   +06 08 05     2.791    2.676   73.1   20.6    65   13.6 
2026-01-10 03:38 UT   23 59 57.9   +06 08 52     2.793    2.676   73.0   20.6    65   13.6 
2026-01-11 00:00 UT   00 01 01.8   +06 13 15     2.804    2.676   72.4   20.5    65   13.7 
2026-01-12 00:00 UT   00 02 17.7   +06 18 29     2.817    2.677   71.7   20.4    65   13.7 
2026-01-13 00:00 UT   00 03 34.2   +06 23 49     2.830    2.677   71.0   20.3    65   13.7 
2026-01-14 00:00 UT   00 04 51.2   +06 29 13     2.843    2.678   70.3   20.2    64   13.7 
2026-01-15 00:00 UT   00 06 08.7   +06 34 43     2.856    2.678   69.7   20.1    64   13.7 
2026-01-16 00:00 UT   00 07 26.7   +06 40 17     2.869    2.679   69.0   20.0    64   13.7 
2026-01-17 00:00 UT   00 08 45.2   +06 45 56     2.882    2.679   68.3   19.9    64   13.7 
2026-01-18 00:00 UT   00 10 04.2   +06 51 39     2.895    2.680   67.6   19.8    64   13.7 
2026-01-19 00:00 UT   00 11 23.8   +06 57 27     2.908    2.680   66.9   19.7    64   13.7 
2026-01-20 00:00 UT   00 12 43.8   +07 03 19     2.921    2.681   66.3   19.6    64   13.7 
2026-01-21 00:00 UT   00 14 04.2   +07 09 16     2.934    2.681   65.6   19.5    64   13.7 
2026-01-22 00:00 UT   00 15 25.2   +07 15 16     2.946    2.682   64.9   19.4    64   13.7 
2026-01-23 00:00 UT   00 16 46.6   +07 21 21     2.959    2.682   64.3   19.3    64   13.7 
2026-01-24 00:00 UT   00 18 08.4   +07 27 30     2.972    2.683   63.6   19.2    64   13.7 
2026-01-25 00:00 UT   00 19 30.7   +07 33 42     2.984    2.683   62.9   19.1    64   13.7 
2026-01-26 00:00 UT   00 20 53.4   +07 39 58     2.996    2.684   62.3   18.9    64   13.8 
2026-01-27 00:00 UT   00 22 16.5   +07 46 18     3.009    2.685   61.6   18.8    64   13.8 
2026-01-28 00:00 UT   00 23 40.0   +07 52 41     3.021    2.685   61.0   18.7    64   13.8 
2026-01-29 00:00 UT   00 25 03.9   +07 59 08     3.033    2.686   60.3   18.6    64   13.8 
2026-01-30 00:00 UT   00 26 28.3   +08 05 38     3.046    2.686   59.7   18.5    64   13.8 
2026-01-31 00:00 UT   00 27 53.0   +08 12 11     3.058    2.687   59.0   18.3    64   13.8 
2026-02-01 00:00 UT   00 29 18.1   +08 18 48     3.070    2.687   58.4   18.2    64   13.8 
2026-02-02 00:00 UT   00 30 43.6   +08 25 27     3.082    2.688   57.7   18.1    64   13.8 
2026-02-03 00:00 UT   00 32 09.4   +08 32 09     3.094    2.689   57.1   17.9    64   13.8 

    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.