(264) Libussa
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	2 Jul 2026	12.8	2.660 AU	1.921 AU	22h36m	-24°23'	126.9°	17.8°
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
2026-07-02 00:00 UT   22 36 10.7   -24 23 08     1.921    2.660  126.9   17.8   259   12.8 
2026-07-02 20:15 UT   22 36 18.1   -24 26 57     1.912    2.658  127.7   17.6   259   12.7 
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 
2026-07-12 00:00 UT   22 36 25.7   -25 13 50     1.819    2.646  136.0   15.5   264   12.5 
2026-07-13 00:00 UT   22 36 18.2   -25 19 30     1.810    2.645  136.9   15.2   264   12.5 
2026-07-14 00:00 UT   22 36 09.1   -25 25 16     1.801    2.643  137.8   15.0   265   12.5 
2026-07-15 00:00 UT   22 35 58.4   -25 31 07     1.792    2.642  138.7   14.7   266   12.5 
2026-07-16 00:00 UT   22 35 46.0   -25 37 03     1.783    2.641  139.7   14.4   266   12.5 
2026-07-17 00:00 UT   22 35 31.9   -25 43 04     1.774    2.639  140.6   14.2   267   12.4 
2026-07-18 00:00 UT   22 35 16.2   -25 49 09     1.766    2.638  141.5   13.9   268   12.4 
2026-07-19 00:00 UT   22 34 58.9   -25 55 18     1.757    2.637  142.4   13.6   269   12.4 
2026-07-20 00:00 UT   22 34 39.9   -26 01 31     1.749    2.635  143.4   13.3   270   12.4 
2026-07-21 00:00 UT   22 34 19.3   -26 07 47     1.741    2.634  144.3   13.0   271   12.4 
2026-07-22 00:00 UT   22 33 57.1   -26 14 05     1.734    2.633  145.2   12.7   272   12.3 
2026-07-23 00:00 UT   22 33 33.3   -26 20 27     1.726    2.631  146.1   12.4   273   12.3 
2026-07-24 00:00 UT   22 33 07.9   -26 26 50     1.719    2.630  147.0   12.1   274   12.3 
2026-07-25 00:00 UT   22 32 41.0   -26 33 15     1.712    2.629  147.9   11.8   275   12.3 
2026-07-26 00:00 UT   22 32 12.5   -26 39 41     1.705    2.627  148.8   11.5   276   12.2 
2026-07-27 00:00 UT   22 31 42.5   -26 46 08     1.699    2.626  149.7   11.2   277   12.2 
2026-07-28 00:00 UT   22 31 11.0   -26 52 36     1.692    2.625  150.6   10.9   279   12.2 
2026-07-29 00:00 UT   22 30 38.0   -26 59 03     1.686    2.623  151.5   10.6   280   12.2 
2026-07-30 00:00 UT   22 30 03.5   -27 05 30     1.680    2.622  152.4   10.3   282   12.2 
2026-07-31 00:00 UT   22 29 27.6   -27 11 55     1.674    2.621  153.2   10.0   283   12.1 
2026-08-01 00:00 UT   22 28 50.3   -27 18 20     1.669    2.620  154.1    9.7   285   12.1 

    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.