(144) Vibilia
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	1 Nov 2025	14.2	3.272 AU	4.210 AU	13h26m	-05°35'	16.8°	5.0°
Opposition	5 May 2026	12.3	3.110 AU	2.103 AU	14h56m	-12°56'	176.2°	1.2°

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)                : 0.2356002
            a (Semimajor axis)              : 2.6534523
            i (Inclination)                 : 4.81605
            Ω (Longitude of ascending node) : 76.16312
            ω (Argument of perihelion)      : 294.43313
            M (Mean anomaly)                : 194.55124
            Epoch                           : 2025 Nov 21

            L (Longitude of perihelion)     : 10.67265
            B (Latitude of perihelion)      : -4.38386
            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
2025-11-01 00:00 UT   13 26 09.4   -05 35 04     4.210    3.272   16.8    5.0   302   14.2 
2025-11-01 12:28 UT   13 26 48.6   -05 39 00     4.208    3.272   17.1    5.1   302   14.2 
2025-11-02 00:00 UT   13 27 24.9   -05 42 39     4.205    3.272   17.4    5.2   302   14.2 
2025-11-03 00:00 UT   13 28 40.5   -05 50 12     4.200    3.272   18.1    5.4   302   14.2 
2025-11-04 00:00 UT   13 29 56.0   -05 57 44     4.195    3.272   18.7    5.6   301   14.2 
2025-11-05 00:00 UT   13 31 11.4   -06 05 14     4.190    3.271   19.4    5.8   301   14.2 
2025-11-06 00:00 UT   13 32 26.8   -06 12 41     4.185    3.271   20.0    6.0   300   14.2 
2025-11-07 00:00 UT   13 33 42.2   -06 20 07     4.179    3.271   20.7    6.1   300   14.2 
2025-11-08 00:00 UT   13 34 57.5   -06 27 31     4.173    3.270   21.4    6.3   300   14.2 
2025-11-09 00:00 UT   13 36 12.7   -06 34 53     4.167    3.270   22.0    6.5   299   14.2 
2025-11-10 00:00 UT   13 37 27.9   -06 42 12     4.161    3.270   22.7    6.7   299   14.2 
2025-11-11 00:00 UT   13 38 43.0   -06 49 30     4.155    3.269   23.3    6.9   299   14.2 
2025-11-12 00:00 UT   13 39 58.1   -06 56 45     4.148    3.269   24.0    7.1   298   14.3 
2025-11-13 00:00 UT   13 41 13.1   -07 03 59     4.142    3.269   24.7    7.3   298   14.3 
2025-11-14 00:00 UT   13 42 28.0   -07 11 10     4.135    3.268   25.3    7.4   298   14.3 
2025-11-15 00:00 UT   13 43 42.8   -07 18 19     4.128    3.268   26.0    7.6   298   14.3 
2025-11-16 00:00 UT   13 44 57.6   -07 25 25     4.121    3.267   26.7    7.8   297   14.3 
2025-11-17 00:00 UT   13 46 12.2   -07 32 30     4.114    3.267   27.3    8.0   297   14.3 
2025-11-18 00:00 UT   13 47 26.8   -07 39 32     4.106    3.267   28.0    8.2   297   14.3 
2025-11-19 00:00 UT   13 48 41.2   -07 46 31     4.099    3.266   28.7    8.4   297   14.3 
2025-11-20 00:00 UT   13 49 55.6   -07 53 28     4.091    3.266   29.4    8.5   296   14.3 
2025-11-21 00:00 UT   13 51 09.8   -08 00 23     4.083    3.265   30.1    8.7   296   14.3 
2025-11-22 00:00 UT   13 52 23.9   -08 07 15     4.075    3.265   30.7    8.9   296   14.3 
2025-11-23 00:00 UT   13 53 37.9   -08 14 04     4.067    3.265   31.4    9.1   296   14.3 
2025-11-24 00:00 UT   13 54 51.7   -08 20 51     4.058    3.264   32.1    9.2   296   14.3 
2025-11-25 00:00 UT   13 56 05.4   -08 27 36     4.050    3.264   32.8    9.4   295   14.3 
2025-11-26 00:00 UT   13 57 19.0   -08 34 17     4.041    3.263   33.5    9.6   295   14.3 

    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.