(438908) 2009 XO
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	9 Nov 2026	25.5	2.764 AU	2.151 AU	23h03m	-06°12'	118.4°	18.4°

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 2009 XO are:

            e (Eccentricity)                : 0.5434776
            a (Semimajor axis)              : 1.8590719
            i (Inclination)                 : 0.34847
            Ω (Longitude of ascending node) : 27.93756
            ω (Argument of perihelion)      : 140.52214
            M (Mean anomaly)                : 160.85236
            Epoch                           : 2026 Jun 09

            L (Longitude of perihelion)     : -11.53978
            B (Latitude of perihelion)      : 0.22155
            P (Orbital period in years)     : 2.53            
        

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
2026-11-09 00:00 UT   23 03 46.7   -06 12 49     2.151    2.764  118.4   18.4    67   25.5 
2026-11-09 04:47 UT   23 03 44.4   -06 13 02     2.153    2.763  118.2   18.4    67   25.5 
2026-11-10 00:00 UT   23 03 35.8   -06 13 49     2.162    2.761  117.4   18.6    67   25.5 
2026-11-11 00:00 UT   23 03 26.4   -06 14 39     2.174    2.759  116.3   18.8    67   25.5 
2026-11-12 00:00 UT   23 03 18.7   -06 15 19     2.185    2.757  115.3   18.9    67   25.5 
2026-11-13 00:00 UT   23 03 12.6   -06 15 48     2.196    2.755  114.3   19.1    67   25.5 
2026-11-14 00:00 UT   23 03 08.1   -06 16 08     2.208    2.753  113.2   19.3    67   25.5 
2026-11-15 00:00 UT   23 03 05.2   -06 16 18     2.220    2.751  112.2   19.4    67   25.6 
2026-11-16 00:00 UT   23 03 03.8   -06 16 19     2.232    2.749  111.2   19.6    67   25.6 
2026-11-17 00:00 UT   23 03 03.9   -06 16 09     2.243    2.746  110.2   19.7    67   25.6 
2026-11-18 00:00 UT   23 03 05.6   -06 15 51     2.255    2.744  109.2   19.9    67   25.6 
2026-11-19 00:00 UT   23 03 08.9   -06 15 22     2.267    2.742  108.2   20.0    67   25.6 
2026-11-20 00:00 UT   23 03 13.6   -06 14 45     2.279    2.740  107.2   20.2    67   25.6 
2026-11-21 00:00 UT   23 03 19.8   -06 13 58     2.292    2.737  106.2   20.3    67   25.6 
2026-11-22 00:00 UT   23 03 27.5   -06 13 03     2.304    2.735  105.3   20.4    67   25.6 
2026-11-23 00:00 UT   23 03 36.6   -06 11 58     2.316    2.733  104.3   20.5    67   25.7 
2026-11-24 00:00 UT   23 03 47.1   -06 10 45     2.328    2.730  103.3   20.6    67   25.7 
2026-11-25 00:00 UT   23 03 59.1   -06 09 22     2.340    2.728  102.4   20.7    67   25.7 
2026-11-26 00:00 UT   23 04 12.5   -06 07 51     2.353    2.726  101.4   20.8    67   25.7 
2026-11-27 00:00 UT   23 04 27.2   -06 06 12     2.365    2.723  100.5   20.9    67   25.7 
2026-11-28 00:00 UT   23 04 43.3   -06 04 24     2.377    2.721   99.5   21.0    67   25.7 
2026-11-29 00:00 UT   23 05 00.8   -06 02 28     2.390    2.718   98.6   21.0    67   25.7 
2026-11-30 00:00 UT   23 05 19.5   -06 00 23     2.402    2.716   97.7   21.1    67   25.7 
2026-12-01 00:00 UT   23 05 39.6   -05 58 10     2.414    2.713   96.8   21.2    67   25.8 
2026-12-02 00:00 UT   23 06 01.0   -05 55 49     2.427    2.711   95.9   21.2    67   25.8 
2026-12-03 00:00 UT   23 06 23.7   -05 53 20     2.439    2.708   94.9   21.3    67   25.8 
2026-12-04 00:00 UT   23 06 47.7   -05 50 43     2.451    2.706   94.0   21.3    67   25.8 
2026-12-05 00:00 UT   23 07 12.9   -05 47 58     2.464    2.703   93.1   21.3    67   25.8 
2026-12-06 00:00 UT   23 07 39.3   -05 45 05     2.476    2.701   92.2   21.4    67   25.8 
2026-12-07 00:00 UT   23 08 07.0   -05 42 05     2.489    2.698   91.3   21.4    67   25.8 
2026-12-08 00:00 UT   23 08 35.9   -05 38 57     2.501    2.695   90.5   21.4    67   25.8 
2026-12-09 00:00 UT   23 09 06.0   -05 35 41     2.513    2.693   89.6   21.5    67   25.8 

    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.