(434633) 2005 WB1
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	13 Jun 2026	24.6	1.643 AU	1.938 AU	09h46m	+32°45'	58.0°	31.6°

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 2005 WB1 are:

            e (Eccentricity)                : 0.3553225
            a (Semimajor axis)              : 1.2635472
            i (Inclination)                 : 22.87873
            Ω (Longitude of ascending node) : 61.40323
            ω (Argument of perihelion)      : 265.77743
            M (Mean anomaly)                : 81.58967
            Epoch                           : 2025 Nov 21

            L (Longitude of perihelion)     : 146.82158
            B (Latitude of perihelion)      : -22.81312
            P (Orbital period in years)     : 1.42            
        

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
2026-06-13 00:00 UT   09 46 44.6   +32 45 59     1.938    1.643   58.0   31.6    99   24.6 
2026-06-13 05:32 UT   09 47 13.9   +32 41 51     1.939    1.643   57.9   31.6    99   24.6 
2026-06-14 00:00 UT   09 48 51.5   +32 28 02     1.944    1.641   57.6   31.5    99   24.6 
2026-06-15 00:00 UT   09 50 58.2   +32 10 01     1.949    1.639   57.2   31.4    99   24.6 
2026-06-16 00:00 UT   09 53 05.0   +31 51 55     1.955    1.636   56.8   31.3    99   24.6 
2026-06-17 00:00 UT   09 55 11.7   +31 33 45     1.961    1.634   56.4   31.2    99   24.6 
2026-06-18 00:00 UT   09 57 18.3   +31 15 30     1.966    1.632   56.0   31.1    99   24.6 
2026-06-19 00:00 UT   09 59 24.9   +30 57 11     1.971    1.629   55.6   31.0    99   24.6 
2026-06-20 00:00 UT   10 01 31.5   +30 38 47     1.977    1.627   55.2   30.9    99   24.6 
2026-06-21 00:00 UT   10 03 38.0   +30 20 18     1.982    1.624   54.8   30.7    99   24.6 
2026-06-22 00:00 UT   10 05 44.4   +30 01 45     1.987    1.622   54.4   30.6    99   24.6 
2026-06-23 00:00 UT   10 07 50.8   +29 43 08     1.992    1.619   54.0   30.5    99   24.6 
2026-06-24 00:00 UT   10 09 57.1   +29 24 26     1.997    1.616   53.6   30.4    99   24.6 
2026-06-25 00:00 UT   10 12 03.4   +29 05 39     2.002    1.614   53.2   30.3    99   24.6 
2026-06-26 00:00 UT   10 14 09.6   +28 46 48     2.007    1.611   52.8   30.2    99   24.6 
2026-06-27 00:00 UT   10 16 15.7   +28 27 52     2.011    1.608   52.5   30.1    99   24.6 
2026-06-28 00:00 UT   10 18 21.9   +28 08 52     2.016    1.606   52.1   30.0    99   24.5 

    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.