2015 WO1
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	13 Nov 2026	26.5	1.957 AU	1.657 AU	09h39m	+26°17'	91.8°	30.4°

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 WO1 are:

            e (Eccentricity)                : 0.4750198
            a (Semimajor axis)              : 1.4625619
            i (Inclination)                 : 13.78321
            Ω (Longitude of ascending node) : 62.84583
            ω (Argument of perihelion)      : 253.04722
            M (Mean anomaly)                : 28.77046
            Epoch                           : 2026 Jun 09

            L (Longitude of perihelion)     : 135.42044
            B (Latitude of perihelion)      : -13.17322
            P (Orbital period in years)     : 1.77            
        

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
2026-11-13 00:00 UT   09 39 11.0   +26 17 28     1.657    1.957   91.8   30.4   289   26.5 
2026-11-13 18:43 UT   09 39 57.5   +26 20 51     1.650    1.960   92.4   30.3   289   26.5 
2026-11-14 00:00 UT   09 40 10.5   +26 21 50     1.648    1.961   92.6   30.3   289   26.5 
2026-11-15 00:00 UT   09 41 08.4   +26 26 24     1.639    1.964   93.4   30.2   289   26.5 
2026-11-16 00:00 UT   09 42 04.8   +26 31 11     1.630    1.968   94.2   30.1   289   26.5 
2026-11-17 00:00 UT   09 42 59.5   +26 36 10     1.620    1.971   95.0   30.0   289   26.5 
2026-11-18 00:00 UT   09 43 52.5   +26 41 22     1.611    1.974   95.9   29.9   288   26.5 
2026-11-19 00:00 UT   09 44 43.8   +26 46 47     1.602    1.978   96.7   29.8   288   26.5 
2026-11-20 00:00 UT   09 45 33.4   +26 52 26     1.592    1.981   97.5   29.6   288   26.5 
2026-11-21 00:00 UT   09 46 21.2   +26 58 18     1.583    1.984   98.4   29.5   288   26.5 
2026-11-22 00:00 UT   09 47 07.3   +27 04 23     1.574    1.988   99.2   29.4   288   26.4 
2026-11-23 00:00 UT   09 47 51.5   +27 10 43     1.564    1.991  100.1   29.2   288   26.4 
2026-11-24 00:00 UT   09 48 33.9   +27 17 17     1.555    1.994  101.0   29.1   287   26.4 
2026-11-25 00:00 UT   09 49 14.3   +27 24 05     1.546    1.997  101.8   28.9   287   26.4 
2026-11-26 00:00 UT   09 49 52.9   +27 31 08     1.536    2.000  102.7   28.8   287   26.4 
2026-11-27 00:00 UT   09 50 29.5   +27 38 26     1.527    2.004  103.6   28.6   287   26.4 
2026-11-28 00:00 UT   09 51 04.1   +27 45 59     1.518    2.007  104.5   28.4   287   26.4 
2026-11-29 00:00 UT   09 51 36.6   +27 53 47     1.508    2.010  105.4   28.2   286   26.3 
2026-11-30 00:00 UT   09 52 07.1   +28 01 50     1.499    2.013  106.3   28.1   286   26.3 
2026-12-01 00:00 UT   09 52 35.4   +28 10 09     1.490    2.016  107.2   27.9   286   26.3 
2026-12-02 00:00 UT   09 53 01.5   +28 18 43     1.481    2.019  108.1   27.7   286   26.3 
2026-12-03 00:00 UT   09 53 25.4   +28 27 33     1.472    2.022  109.1   27.4   285   26.3 
2026-12-04 00:00 UT   09 53 47.1   +28 36 39     1.463    2.024  110.0   27.2   285   26.3 
2026-12-05 00:00 UT   09 54 06.4   +28 46 02     1.454    2.027  111.0   27.0   285   26.2 
2026-12-06 00:00 UT   09 54 23.4   +28 55 40     1.445    2.030  111.9   26.8   284   26.2 
2026-12-07 00:00 UT   09 54 37.9   +29 05 34     1.436    2.033  112.9   26.5   284   26.2 
2026-12-08 00:00 UT   09 54 50.0   +29 15 44     1.427    2.036  113.9   26.3   284   26.2 
2026-12-09 00:00 UT   09 54 59.6   +29 26 11     1.418    2.038  114.8   26.0   283   26.2 
2026-12-10 00:00 UT   09 55 06.7   +29 36 53     1.410    2.041  115.8   25.7   283   26.2 
2026-12-11 00:00 UT   09 55 11.1   +29 47 51     1.401    2.044  116.8   25.5   282   26.1 
2026-12-12 00:00 UT   09 55 13.0   +29 59 05     1.392    2.046  117.8   25.2   282   26.1 
2026-12-13 00:00 UT   09 55 12.1   +30 10 35     1.384    2.049  118.8   24.9   281   26.1 

    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.