(264) Libussa
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	11 Jun 2026	13.1	2.688 AU	2.177 AU	22h27m	-23°18'	109.3°	20.9°
Opposition	17 Aug 2026	11.9	2.598 AU	1.613 AU	22h15m	-28°53'	163.1°	6.5°

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 Libussa are:

            e (Eccentricity)                : 0.1349765
            a (Semimajor axis)              : 2.7991430
            i (Inclination)                 : 10.42436
            Ω (Longitude of ascending node) : 49.48389
            ω (Argument of perihelion)      : 340.01197
            M (Mean anomaly)                : 294.03313
            Epoch                           : 2026 Jun 09

            L (Longitude of perihelion)     : 29.80023
            B (Latitude of perihelion)      : -3.54593
            P (Orbital period in years)     : 4.68            
        

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
2026-06-11 00:00 UT   22 27 36.6   -23 18 34     2.177    2.688  109.3   20.9   252   13.1 
2026-06-11 18:44 UT   22 28 06.2   -23 19 54     2.167    2.687  109.9   20.8   253   13.1 
2026-06-12 00:00 UT   22 28 14.4   -23 20 18     2.164    2.687  110.1   20.8   253   13.1 
2026-06-13 00:00 UT   22 28 51.0   -23 22 09     2.151    2.686  110.9   20.7   253   13.1 
2026-06-14 00:00 UT   22 29 26.3   -23 24 08     2.138    2.684  111.7   20.6   253   13.1 
2026-06-15 00:00 UT   22 30 00.3   -23 26 16     2.125    2.683  112.5   20.5   253   13.1 
2026-06-16 00:00 UT   22 30 33.1   -23 28 31     2.112    2.681  113.3   20.4   254   13.1 
2026-06-17 00:00 UT   22 31 04.6   -23 30 55     2.099    2.680  114.1   20.2   254   13.0 
2026-06-18 00:00 UT   22 31 34.8   -23 33 27     2.087    2.679  114.9   20.1   254   13.0 
2026-06-19 00:00 UT   22 32 03.6   -23 36 07     2.074    2.677  115.8   20.0   254   13.0 
2026-06-20 00:00 UT   22 32 31.1   -23 38 56     2.062    2.676  116.6   19.8   255   13.0 
2026-06-21 00:00 UT   22 32 57.2   -23 41 53     2.050    2.675  117.4   19.7   255   13.0 
2026-06-22 00:00 UT   22 33 22.0   -23 44 57     2.037    2.673  118.3   19.6   255   12.9 
2026-06-23 00:00 UT   22 33 45.3   -23 48 10     2.025    2.672  119.1   19.4   255   12.9 
2026-06-24 00:00 UT   22 34 07.3   -23 51 32     2.013    2.670  120.0   19.2   256   12.9 
2026-06-25 00:00 UT   22 34 27.8   -23 55 01     2.001    2.669  120.8   19.1   256   12.9 
2026-06-26 00:00 UT   22 34 46.9   -23 58 38     1.990    2.668  121.7   18.9   256   12.9 
2026-06-27 00:00 UT   22 35 04.6   -24 02 23     1.978    2.666  122.6   18.7   257   12.8 
2026-06-28 00:00 UT   22 35 20.8   -24 06 17     1.966    2.665  123.4   18.6   257   12.8 
2026-06-29 00:00 UT   22 35 35.5   -24 10 18     1.955    2.664  124.3   18.4   257   12.8 
2026-06-30 00:00 UT   22 35 48.8   -24 14 27     1.944    2.662  125.2   18.2   258   12.8 
2026-07-01 00:00 UT   22 36 00.5   -24 18 44     1.932    2.661  126.1   18.0   258   12.8 
2026-07-02 00:00 UT   22 36 10.7   -24 23 08     1.921    2.660  126.9   17.8   259   12.8 
2026-07-03 00:00 UT   22 36 19.3   -24 27 40     1.911    2.658  127.8   17.6   259   12.7 
2026-07-04 00:00 UT   22 36 26.4   -24 32 20     1.900    2.657  128.7   17.4   259   12.7 
2026-07-05 00:00 UT   22 36 31.9   -24 37 07     1.889    2.655  129.6   17.2   260   12.7 
2026-07-06 00:00 UT   22 36 35.9   -24 42 01     1.879    2.654  130.5   16.9   260   12.7 
2026-07-07 00:00 UT   22 36 38.2   -24 47 02     1.868    2.653  131.4   16.7   261   12.6 
2026-07-08 00:00 UT   22 36 39.0   -24 52 11     1.858    2.651  132.3   16.5   261   12.6 
2026-07-09 00:00 UT   22 36 38.1   -24 57 26     1.848    2.650  133.2   16.2   262   12.6 
2026-07-10 00:00 UT   22 36 35.6   -25 02 48     1.838    2.649  134.1   16.0   263   12.6 
2026-07-11 00:00 UT   22 36 31.5   -25 08 16     1.829    2.647  135.1   15.7   263   12.6 

    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.