(218) Bianca
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	10 Jul 2026	14.1	2.691 AU	3.625 AU	08h26m	+12°01'	19.9°	7.4°
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
2026-07-10 00:00 UT   08 26 55.2   +12 01 15     3.625    2.691   19.9    7.4   123   14.1 
2026-07-10 21:50 UT   08 28 26.6   +11 58 07     3.627    2.690   19.4    7.2   124   14.1 
2026-07-11 00:00 UT   08 28 35.7   +11 57 48     3.628    2.690   19.4    7.2   124   14.1 
2026-07-12 00:00 UT   08 30 16.2   +11 54 16     3.630    2.689   18.9    7.0   125   14.1 
2026-07-13 00:00 UT   08 31 56.9   +11 50 40     3.633    2.687   18.3    6.8   125   14.1 
2026-07-14 00:00 UT   08 33 37.6   +11 46 58     3.636    2.686   17.8    6.7   126   14.1 
2026-07-15 00:00 UT   08 35 18.5   +11 43 12     3.638    2.685   17.3    6.5   127   14.1 
2026-07-16 00:00 UT   08 36 59.4   +11 39 21     3.641    2.684   16.8    6.3   127   14.1 
2026-07-17 00:00 UT   08 38 40.3   +11 35 26     3.643    2.682   16.3    6.1   128   14.1 
2026-07-18 00:00 UT   08 40 21.3   +11 31 26     3.645    2.681   15.8    5.9   129   14.1 
2026-07-19 00:00 UT   08 42 02.4   +11 27 22     3.647    2.680   15.3    5.7   130   14.1 
2026-07-20 00:00 UT   08 43 43.5   +11 23 13     3.649    2.679   14.8    5.6   131   14.1 
2026-07-21 00:00 UT   08 45 24.7   +11 18 59     3.650    2.678   14.3    5.4   132   14.1 
2026-07-22 00:00 UT   08 47 05.9   +11 14 41     3.652    2.676   13.8    5.2   133   14.0 
2026-07-23 00:00 UT   08 48 47.2   +11 10 19     3.654    2.675   13.3    5.0   134   14.0 
2026-07-24 00:00 UT   08 50 28.4   +11 05 53     3.655    2.674   12.8    4.8   135   14.0 
2026-07-25 00:00 UT   08 52 09.8   +11 01 22     3.656    2.673   12.4    4.7   136   14.0 
2026-07-26 00:00 UT   08 53 51.1   +10 56 47     3.657    2.672   11.9    4.5   137   14.0 
2026-07-27 00:00 UT   08 55 32.5   +10 52 07     3.658    2.670   11.4    4.3   139   14.0 
2026-07-28 00:00 UT   08 57 13.9   +10 47 24     3.659    2.669   10.9    4.1   140   14.0 
2026-07-29 00:00 UT   08 58 55.4   +10 42 36     3.660    2.668   10.5    4.0   142   14.0 
2026-07-30 00:00 UT   09 00 36.8   +10 37 45     3.661    2.667   10.0    3.8   144   14.0 

    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.