2011 BW11
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	16 Feb 2026	34.1	3.423 AU	2.917 AU	14h05m	-14°35'	112.7°	15.4°

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 2011 BW11 are:

            e (Eccentricity)                : 0.7526904
            a (Semimajor axis)              : 1.9880660
            i (Inclination)                 : 1.55904
            Ω (Longitude of ascending node) : 301.23079
            ω (Argument of perihelion)      : 83.77976
            M (Mean anomaly)                : 120.59356
            Epoch                           : 2025 Nov 21

            L (Longitude of perihelion)     : 25.00826
            B (Latitude of perihelion)      : 1.54986
            P (Orbital period in years)     : 2.80            
        

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
2026-02-16 00:00 UT   14 05 16.6   -14 35 55     2.917    3.423  112.7   15.4   291   34.1 
2026-02-16 03:33 UT   14 05 14.8   -14 35 51     2.915    3.423  112.9   15.4   291   34.1 
2026-02-17 00:00 UT   14 05 03.9   -14 35 25     2.904    3.424  113.8   15.3   291   34.1 
2026-02-18 00:00 UT   14 04 49.7   -14 34 48     2.890    3.426  114.9   15.2   291   34.1 
2026-02-19 00:00 UT   14 04 34.2   -14 34 03     2.877    3.427  115.9   15.0   291   34.1 
2026-02-20 00:00 UT   14 04 17.4   -14 33 11     2.864    3.428  117.0   14.9   291   34.1 
2026-02-21 00:00 UT   14 03 59.1   -14 32 11     2.851    3.430  118.1   14.7   291   34.1 
2026-02-22 00:00 UT   14 03 39.5   -14 31 05     2.838    3.431  119.2   14.6   291   34.1 
2026-02-23 00:00 UT   14 03 18.5   -14 29 50     2.826    3.433  120.3   14.4   291   34.0 
2026-02-24 00:00 UT   14 02 56.1   -14 28 29     2.813    3.434  121.4   14.2   291   34.0 
2026-02-25 00:00 UT   14 02 32.3   -14 26 59     2.801    3.435  122.5   14.1   291   34.0 
2026-02-26 00:00 UT   14 02 07.1   -14 25 22     2.789    3.437  123.6   13.9   291   34.0 
2026-02-27 00:00 UT   14 01 40.6   -14 23 38     2.777    3.438  124.7   13.7   291   34.0 
2026-02-28 00:00 UT   14 01 12.7   -14 21 46     2.765    3.439  125.8   13.5   291   34.0 
2026-03-01 00:00 UT   14 00 43.4   -14 19 46     2.753    3.441  127.0   13.3   292   34.0 
2026-03-02 00:00 UT   14 00 12.8   -14 17 39     2.741    3.442  128.1   13.1   292   33.9 
2026-03-03 00:00 UT   13 59 40.8   -14 15 23     2.730    3.443  129.2   12.9   292   33.9 
2026-03-04 00:00 UT   13 59 07.4   -14 13 00     2.719    3.444  130.4   12.7   292   33.9 
2026-03-05 00:00 UT   13 58 32.7   -14 10 30     2.707    3.446  131.5   12.4   292   33.9 
2026-03-06 00:00 UT   13 57 56.7   -14 07 51     2.697    3.447  132.7   12.2   292   33.9 
2026-03-07 00:00 UT   13 57 19.3   -14 05 05     2.686    3.448  133.8   12.0   292   33.9 
2026-03-08 00:00 UT   13 56 40.6   -14 02 10     2.675    3.449  135.0   11.7   292   33.8 
2026-03-09 00:00 UT   13 56 00.6   -13 59 08     2.665    3.450  136.1   11.5   292   33.8 
2026-03-10 00:00 UT   13 55 19.3   -13 55 58     2.655    3.451  137.3   11.2   293   33.8 
2026-03-11 00:00 UT   13 54 36.8   -13 52 40     2.645    3.453  138.5   11.0   293   33.8 
2026-03-12 00:00 UT   13 53 52.9   -13 49 14     2.636    3.454  139.7   10.7   293   33.8 
2026-03-13 00:00 UT   13 53 07.9   -13 45 41     2.626    3.455  140.9   10.5   293   33.8 
2026-03-14 00:00 UT   13 52 21.6   -13 41 60     2.617    3.456  142.1   10.2   293   33.7 
2026-03-15 00:00 UT   13 51 34.1   -13 38 11     2.608    3.457  143.3    9.9   293   33.7 
2026-03-16 00:00 UT   13 50 45.5   -13 34 14     2.600    3.458  144.5    9.6   293   33.7 
2026-03-17 00:00 UT   13 49 55.7   -13 30 10     2.591    3.459  145.7    9.3   294   33.7 
2026-03-18 00:00 UT   13 49 04.7   -13 25 58     2.583    3.460  146.9    9.0   294   33.7 

    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.