(218) Bianca
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	15 May 2026	14.3	2.756 AU	3.275 AU	06h57m	+12°56'	51.2°	16.6°
Opposition	9 Apr 2027	11.8	2.399 AU	1.413 AU	13h33m	+04°03'	167.1°	5.4°

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 Bianca are:

            e (Eccentricity)                : 0.1153056
            a (Semimajor axis)              : 2.6689711
            i (Inclination)                 : 15.19383
            Ω (Longitude of ascending node) : 170.50832
            ω (Argument of perihelion)      : 62.32596
            M (Mean anomaly)                : 220.28385
            Epoch                           : 2025 Nov 21

            L (Longitude of perihelion)     : 231.98735
            B (Latitude of perihelion)      : 13.42096
            P (Orbital period in years)     : 4.36            
        

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
2026-05-15 00:00 UT   06 57 52.5   +12 56 09     3.275    2.756   51.2   16.6   104   14.3 
2026-05-15 08:25 UT   06 58 23.1   +12 56 41     3.279    2.756   51.0   16.5   104   14.3 
2026-05-16 00:00 UT   06 59 20.0   +12 57 40     3.285    2.755   50.6   16.5   104   14.3 
2026-05-17 00:00 UT   07 00 47.8   +12 59 06     3.294    2.754   50.0   16.3   104   14.3 
2026-05-18 00:00 UT   07 02 16.1   +13 00 27     3.303    2.753   49.4   16.2   105   14.3 
2026-05-19 00:00 UT   07 03 44.9   +13 01 41     3.311    2.752   48.8   16.0   105   14.3 
2026-05-20 00:00 UT   07 05 14.0   +13 02 51     3.320    2.751   48.2   15.9   105   14.3 
2026-05-21 00:00 UT   07 06 43.4   +13 03 54     3.329    2.750   47.6   15.8   105   14.3 
2026-05-22 00:00 UT   07 08 13.3   +13 04 52     3.337    2.748   47.0   15.6   106   14.3 
2026-05-23 00:00 UT   07 09 43.5   +13 05 45     3.346    2.747   46.4   15.5   106   14.3 
2026-05-24 00:00 UT   07 11 14.1   +13 06 32     3.354    2.746   45.8   15.3   106   14.3 
2026-05-25 00:00 UT   07 12 45.0   +13 07 13     3.363    2.745   45.2   15.2   106   14.3 
2026-05-26 00:00 UT   07 14 16.3   +13 07 49     3.371    2.744   44.6   15.0   107   14.3 
2026-05-27 00:00 UT   07 15 47.9   +13 08 19     3.379    2.743   44.1   14.9   107   14.3 
2026-05-28 00:00 UT   07 17 19.8   +13 08 43     3.387    2.742   43.5   14.7   107   14.3 
2026-05-29 00:00 UT   07 18 52.1   +13 09 02     3.395    2.740   42.9   14.6   108   14.3 
2026-05-30 00:00 UT   07 20 24.6   +13 09 16     3.402    2.739   42.3   14.4   108   14.3 
2026-05-31 00:00 UT   07 21 57.5   +13 09 24     3.410    2.738   41.7   14.3   108   14.3 
2026-06-01 00:00 UT   07 23 30.7   +13 09 26     3.418    2.737   41.2   14.1   108   14.3 
2026-06-02 00:00 UT   07 25 04.1   +13 09 23     3.425    2.736   40.6   14.0   109   14.3 
2026-06-03 00:00 UT   07 26 37.8   +13 09 15     3.432    2.735   40.0   13.8   109   14.3 
2026-06-04 00:00 UT   07 28 11.9   +13 09 01     3.440    2.733   39.5   13.6   109   14.3 
2026-06-05 00:00 UT   07 29 46.2   +13 08 41     3.447    2.732   38.9   13.5   110   14.3 
2026-06-06 00:00 UT   07 31 20.7   +13 08 16     3.454    2.731   38.3   13.3   110   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.