2015 WX1
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	4 Feb 2026	30.2	3.921 AU	3.918 AU	15h21m	-15°00'	83.0°	14.4°

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 2015 WX1 are:

            e (Eccentricity)                : 0.6027601
            a (Semimajor axis)              : 2.5030379
            i (Inclination)                 : 3.58751
            Ω (Longitude of ascending node) : 105.72105
            ω (Argument of perihelion)      : 281.61443
            M (Mean anomaly)                : 193.09046
            Epoch                           : 2025 Nov 21

            L (Longitude of perihelion)     : 27.35766
            B (Latitude of perihelion)      : -3.51396
            P (Orbital period in years)     : 3.96            
        

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
2026-02-04 00:00 UT   15 21 20.3   -15 00 18     3.918    3.921   83.0   14.4   285   30.2 
2026-02-04 03:11 UT   15 21 24.2   -15 00 27     3.916    3.921   83.1   14.5   285   30.2 
2026-02-05 00:00 UT   15 21 48.8   -15 01 23     3.901    3.920   83.9   14.5   285   30.2 
2026-02-06 00:00 UT   15 22 16.5   -15 02 24     3.883    3.918   84.8   14.5   285   30.2 
2026-02-07 00:00 UT   15 22 43.4   -15 03 22     3.866    3.917   85.7   14.5   285   30.2 
2026-02-08 00:00 UT   15 23 09.5   -15 04 15     3.849    3.915   86.6   14.6   285   30.2 
2026-02-09 00:00 UT   15 23 34.8   -15 05 05     3.831    3.914   87.5   14.6   285   30.1 
2026-02-10 00:00 UT   15 23 59.2   -15 05 51     3.814    3.912   88.4   14.6   285   30.1 
2026-02-11 00:00 UT   15 24 22.7   -15 06 33     3.796    3.911   89.3   14.6   285   30.1 
2026-02-12 00:00 UT   15 24 45.4   -15 07 12     3.779    3.909   90.2   14.6   284   30.1 
2026-02-13 00:00 UT   15 25 07.2   -15 07 46     3.761    3.908   91.1   14.6   284   30.1 
2026-02-14 00:00 UT   15 25 28.1   -15 08 17     3.744    3.906   92.1   14.6   284   30.1 
2026-02-15 00:00 UT   15 25 48.0   -15 08 43     3.726    3.905   93.0   14.6   284   30.1 
2026-02-16 00:00 UT   15 26 07.1   -15 09 06     3.709    3.903   93.9   14.6   284   30.1 
2026-02-17 00:00 UT   15 26 25.2   -15 09 25     3.692    3.902   94.9   14.6   284   30.1 
2026-02-18 00:00 UT   15 26 42.4   -15 09 40     3.674    3.900   95.8   14.6   284   30.1 
2026-02-19 00:00 UT   15 26 58.6   -15 09 50     3.657    3.898   96.7   14.6   284   30.0 
2026-02-20 00:00 UT   15 27 13.8   -15 09 57     3.639    3.897   97.7   14.6   284   30.0 
2026-02-21 00:00 UT   15 27 28.0   -15 09 60     3.622    3.895   98.6   14.5   284   30.0 
2026-02-22 00:00 UT   15 27 41.3   -15 09 59     3.604    3.894   99.6   14.5   284   30.0 
2026-02-23 00:00 UT   15 27 53.5   -15 09 53     3.587    3.892  100.6   14.5   284   30.0 
2026-02-24 00:00 UT   15 28 04.7   -15 09 44     3.570    3.890  101.5   14.4   283   30.0 
2026-02-25 00:00 UT   15 28 14.9   -15 09 31     3.553    3.889  102.5   14.4   283   30.0 
2026-02-26 00:00 UT   15 28 24.1   -15 09 13     3.535    3.887  103.5   14.3   283   30.0 
2026-02-27 00:00 UT   15 28 32.2   -15 08 52     3.518    3.885  104.4   14.3   283   29.9 
2026-02-28 00:00 UT   15 28 39.3   -15 08 26     3.501    3.884  105.4   14.2   283   29.9 
2026-03-01 00:00 UT   15 28 45.3   -15 07 56     3.484    3.882  106.4   14.2   283   29.9 
2026-03-02 00:00 UT   15 28 50.2   -15 07 23     3.467    3.880  107.4   14.1   283   29.9 
2026-03-03 00:00 UT   15 28 54.0   -15 06 45     3.450    3.878  108.4   14.0   283   29.9 
2026-03-04 00:00 UT   15 28 56.8   -15 06 03     3.434    3.877  109.3   14.0   283   29.9 
2026-03-05 00:00 UT   15 28 58.4   -15 05 17     3.417    3.875  110.3   13.9   283   29.9 
2026-03-06 00:00 UT   15 28 58.9   -15 04 26     3.400    3.873  111.3   13.8   283   29.8 

    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.