(144) Vibilia
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	15 Oct 2026	13.8	2.802 AU	3.498 AU	15h54m	-20°11'	39.6°	13.1°
Opposition	6 Sep 2027	10.2	2.071 AU	1.070 AU	23h18m	-14°39'	170.6°	4.6°

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 Vibilia are:

            e (Eccentricity)                : 0.2354486
            a (Semimajor axis)              : 2.6538963
            i (Inclination)                 : 4.81580
            Ω (Longitude of ascending node) : 76.16569
            ω (Argument of perihelion)      : 294.39984
            M (Mean anomaly)                : 240.18663
            Epoch                           : 2026 Jun 09

            L (Longitude of perihelion)     : 10.64185
            B (Latitude of perihelion)      : -4.38479
            P (Orbital period in years)     : 4.32            
        

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
2026-10-15 00:00 UT   15 54 58.8   -20 11 02     3.498    2.802   39.6   13.1   102   13.8 
2026-10-15 05:50 UT   15 55 20.9   -20 12 20     3.500    2.802   39.4   13.1   102   13.8 
2026-10-16 00:00 UT   15 56 30.1   -20 16 21     3.504    2.800   38.9   12.9   102   13.8 
2026-10-17 00:00 UT   15 58 01.9   -20 21 39     3.511    2.798   38.3   12.8   101   13.8 
2026-10-18 00:00 UT   15 59 34.2   -20 26 55     3.517    2.795   37.7   12.6   101   13.7 
2026-10-19 00:00 UT   16 01 07.0   -20 32 09     3.523    2.793   37.1   12.4   101   13.7 
2026-10-20 00:00 UT   16 02 40.3   -20 37 20     3.528    2.791   36.5   12.2   101   13.7 
2026-10-21 00:00 UT   16 04 14.1   -20 42 30     3.534    2.788   35.8   12.1   101   13.7 
2026-10-22 00:00 UT   16 05 48.4   -20 47 37     3.539    2.786   35.2   11.9   101   13.7 
2026-10-23 00:00 UT   16 07 23.2   -20 52 41     3.545    2.784   34.6   11.7   101   13.7 
2026-10-24 00:00 UT   16 08 58.4   -20 57 43     3.550    2.782   34.0   11.5   101   13.7 
2026-10-25 00:00 UT   16 10 34.1   -21 02 43     3.555    2.779   33.4   11.4   101   13.7 
2026-10-26 00:00 UT   16 12 10.3   -21 07 40     3.560    2.777   32.8   11.2   100   13.7 
2026-10-27 00:00 UT   16 13 46.9   -21 12 34     3.565    2.775   32.2   11.0   100   13.7 
2026-10-28 00:00 UT   16 15 24.0   -21 17 26     3.570    2.772   31.5   10.8   100   13.7 
2026-10-29 00:00 UT   16 17 01.6   -21 22 15     3.575    2.770   30.9   10.6   100   13.7 
2026-10-30 00:00 UT   16 18 39.6   -21 27 01     3.579    2.768   30.3   10.4   100   13.7 
2026-10-31 00:00 UT   16 20 18.1   -21 31 45     3.583    2.765   29.7   10.3   100   13.7 
2026-11-01 00:00 UT   16 21 57.0   -21 36 25     3.588    2.763   29.1   10.1   100   13.7 
2026-11-02 00:00 UT   16 23 36.4   -21 41 03     3.592    2.760   28.5    9.9   100   13.7 
2026-11-03 00:00 UT   16 25 16.2   -21 45 37     3.596    2.758   27.9    9.7    99   13.7 
2026-11-04 00:00 UT   16 26 56.4   -21 50 08     3.600    2.756   27.3    9.5    99   13.6 
2026-11-05 00:00 UT   16 28 37.1   -21 54 37     3.603    2.753   26.7    9.3    99   13.6 
2026-11-06 00:00 UT   16 30 18.2   -21 59 02     3.607    2.751   26.1    9.1    99   13.6 

    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.