2020 BD
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	29 Dec 2025	28.5	1.233 AU	0.955 AU	13h10m	-05°19'	79.0°	51.5°

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 BD are:

            e (Eccentricity)                : 0.5684136
            a (Semimajor axis)              : 2.0467689
            i (Inclination)                 : 1.87883
            Ω (Longitude of ascending node) : 92.87407
            ω (Argument of perihelion)      : 336.34724
            M (Mean anomaly)                : 9.55370
            Epoch                           : 2025 Nov 21

            L (Longitude of perihelion)     : 69.23263
            B (Latitude of perihelion)      : -0.75366
            P (Orbital period in years)     : 2.93            
        

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
2025-12-29 00:00 UT   13 10 05.9   -05 19 10     0.955    1.233   79.0   51.5   293   28.5 
2025-12-29 17:59 UT   13 11 19.4   -05 25 11     0.956    1.239   79.4   51.3   293   28.5 
2025-12-30 00:00 UT   13 11 43.7   -05 27 10     0.956    1.241   79.6   51.2   293   28.5 
2025-12-31 00:00 UT   13 13 19.4   -05 34 56     0.957    1.249   80.2   50.9   293   28.5 
2026-01-01 00:00 UT   13 14 53.0   -05 42 28     0.957    1.258   80.8   50.5   292   28.5 
2026-01-02 00:00 UT   13 16 24.5   -05 49 46     0.957    1.266   81.4   50.2   292   28.5 
2026-01-03 00:00 UT   13 17 53.8   -05 56 50     0.958    1.274   82.0   49.9   292   28.5 
2026-01-04 00:00 UT   13 19 21.0   -06 03 39     0.958    1.282   82.7   49.5   292   28.5 
2026-01-05 00:00 UT   13 20 46.1   -06 10 15     0.958    1.290   83.3   49.2   292   28.5 
2026-01-06 00:00 UT   13 22 08.9   -06 16 35     0.957    1.299   84.0   48.9   292   28.5 
2026-01-07 00:00 UT   13 23 29.5   -06 22 42     0.957    1.307   84.7   48.5   292   28.5 
2026-01-08 00:00 UT   13 24 47.9   -06 28 33     0.957    1.315   85.3   48.2   292   28.5 
2026-01-09 00:00 UT   13 26 04.0   -06 34 11     0.956    1.323   86.0   47.8   292   28.5 
2026-01-10 00:00 UT   13 27 17.8   -06 39 33     0.956    1.332   86.7   47.5   292   28.5 
2026-01-11 00:00 UT   13 28 29.3   -06 44 40     0.955    1.340   87.4   47.2   292   28.5 
2026-01-12 00:00 UT   13 29 38.4   -06 49 33     0.954    1.348   88.2   46.8   292   28.5 
2026-01-13 00:00 UT   13 30 45.1   -06 54 10     0.953    1.357   88.9   46.5   292   28.5 
2026-01-14 00:00 UT   13 31 49.5   -06 58 33     0.952    1.365   89.6   46.1   292   28.5 
2026-01-15 00:00 UT   13 32 51.4   -07 02 40     0.951    1.373   90.4   45.8   291   28.5 
2026-01-16 00:00 UT   13 33 50.8   -07 06 31     0.950    1.381   91.2   45.4   291   28.5 
2026-01-17 00:00 UT   13 34 47.7   -07 10 07     0.949    1.390   91.9   45.0   291   28.5 
2026-01-18 00:00 UT   13 35 42.0   -07 13 28     0.948    1.398   92.7   44.7   291   28.5 
2026-01-19 00:00 UT   13 36 33.8   -07 16 33     0.946    1.406   93.5   44.3   291   28.5 
2026-01-20 00:00 UT   13 37 23.0   -07 19 22     0.945    1.415   94.3   43.9   291   28.5 
2026-01-21 00:00 UT   13 38 09.6   -07 21 55     0.943    1.423   95.2   43.5   291   28.5 
2026-01-22 00:00 UT   13 38 53.5   -07 24 13     0.942    1.431   96.0   43.2   291   28.5 
2026-01-23 00:00 UT   13 39 34.8   -07 26 14     0.940    1.440   96.8   42.8   291   28.5 
2026-01-24 00:00 UT   13 40 13.3   -07 27 60     0.938    1.448   97.7   42.4   291   28.5 
2026-01-25 00:00 UT   13 40 49.1   -07 29 30     0.936    1.456   98.6   42.0   291   28.5 
2026-01-26 00:00 UT   13 41 22.2   -07 30 43     0.934    1.464   99.4   41.5   291   28.5 
2026-01-27 00:00 UT   13 41 52.4   -07 31 41     0.933    1.473  100.3   41.1   291   28.5 
2026-01-28 00:00 UT   13 42 19.9   -07 32 22     0.931    1.481  101.2   40.7   290   28.5 

    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.