2020 BC9
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	2 Jul 2026	28.8	2.727 AU	2.833 AU	01h43m	+06°04'	73.6°	21.0°

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 2020 BC9 are:

            e (Eccentricity)                : 0.5668419
            a (Semimajor axis)              : 2.3338634
            i (Inclination)                 : 10.30820
            Ω (Longitude of ascending node) : 159.55991
            ω (Argument of perihelion)      : 343.68672
            M (Mean anomaly)                : 222.05500
            Epoch                           : 2025 Nov 21

            L (Longitude of perihelion)     : 143.49625
            B (Latitude of perihelion)      : -2.88108
            P (Orbital period in years)     : 3.57            
        

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   01 43 29.1   +06 04 32     2.833    2.727   73.6   21.0   248   28.8 
2026-07-02 22:56 UT   01 44 33.7   +06 07 53     2.816    2.722   74.3   21.1   248   28.8 
2026-07-03 00:00 UT   01 44 36.7   +06 08 02     2.815    2.722   74.3   21.1   248   28.8 
2026-07-04 00:00 UT   01 45 44.1   +06 11 28     2.797    2.717   75.0   21.2   248   28.8 
2026-07-05 00:00 UT   01 46 51.1   +06 14 48     2.779    2.712   75.7   21.3   248   28.7 
2026-07-06 00:00 UT   01 47 57.8   +06 18 04     2.760    2.706   76.3   21.4   248   28.7 
2026-07-07 00:00 UT   01 49 04.2   +06 21 14     2.742    2.701   77.0   21.5   248   28.7 
2026-07-08 00:00 UT   01 50 10.3   +06 24 18     2.723    2.696   77.7   21.6   248   28.7 
2026-07-09 00:00 UT   01 51 16.0   +06 27 17     2.705    2.691   78.4   21.7   248   28.7 
2026-07-10 00:00 UT   01 52 21.4   +06 30 11     2.686    2.685   79.0   21.8   248   28.7 
2026-07-11 00:00 UT   01 53 26.4   +06 32 59     2.668    2.680   79.7   21.9   249   28.6 
2026-07-12 00:00 UT   01 54 31.0   +06 35 41     2.649    2.674   80.4   22.0   249   28.6 
2026-07-13 00:00 UT   01 55 35.3   +06 38 17     2.630    2.669   81.1   22.1   249   28.6 
2026-07-14 00:00 UT   01 56 39.1   +06 40 47     2.612    2.664   81.8   22.2   249   28.6 
2026-07-15 00:00 UT   01 57 42.5   +06 43 11     2.593    2.658   82.5   22.3   249   28.6 
2026-07-16 00:00 UT   01 58 45.6   +06 45 29     2.574    2.653   83.2   22.4   249   28.6 
2026-07-17 00:00 UT   01 59 48.1   +06 47 41     2.556    2.647   83.9   22.4   249   28.5 
2026-07-18 00:00 UT   02 00 50.3   +06 49 46     2.537    2.642   84.6   22.5   249   28.5 
2026-07-19 00:00 UT   02 01 51.9   +06 51 45     2.518    2.636   85.3   22.6   249   28.5 
2026-07-20 00:00 UT   02 02 53.2   +06 53 38     2.499    2.631   86.0   22.7   250   28.5 
2026-07-21 00:00 UT   02 03 53.9   +06 55 23     2.481    2.625   86.7   22.7   250   28.5 
2026-07-22 00:00 UT   02 04 54.1   +06 57 02     2.462    2.620   87.4   22.8   250   28.4 
2026-07-23 00:00 UT   02 05 53.9   +06 58 35     2.443    2.614   88.1   22.9   250   28.4 
2026-07-24 00:00 UT   02 06 53.1   +07 00 00     2.424    2.609   88.8   22.9   250   28.4 
2026-07-25 00:00 UT   02 07 51.8   +07 01 18     2.405    2.603   89.5   23.0   250   28.4 
2026-07-26 00:00 UT   02 08 49.9   +07 02 30     2.387    2.597   90.2   23.0   250   28.4 
2026-07-27 00:00 UT   02 09 47.6   +07 03 34     2.368    2.592   90.9   23.1   250   28.3 
2026-07-28 00:00 UT   02 10 44.6   +07 04 30     2.349    2.586   91.7   23.1   251   28.3 
2026-07-29 00:00 UT   02 11 41.1   +07 05 20     2.330    2.581   92.4   23.1   251   28.3 
2026-07-30 00:00 UT   02 12 36.9   +07 06 02     2.312    2.575   93.1   23.2   251   28.3 
2026-07-31 00:00 UT   02 13 32.2   +07 06 36     2.293    2.569   93.9   23.2   251   28.3 
2026-08-01 00:00 UT   02 14 26.8   +07 07 02     2.274    2.563   94.6   23.2   251   28.2 

    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.