2015 XX169
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	19 Aug 2026	27.1	1.172 AU	0.305 AU	00h47m	+38°03'	114.5°	51.8°

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 XX169 are:

            e (Eccentricity)                : 0.1850558
            a (Semimajor axis)              : 1.0044618
            i (Inclination)                 : 7.60197
            Ω (Longitude of ascending node) : 256.18413
            ω (Argument of perihelion)      : 282.28924
            M (Mean anomaly)                : 244.67244
            Epoch                           : 2025 Nov 21

            L (Longitude of perihelion)     : 178.57898
            B (Latitude of perihelion)      : -7.42678
            P (Orbital period in years)     : 1.01            
        

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
2026-08-19 00:00 UT   00 47 03.6   +38 03 37     0.305    1.172  114.5   51.8   228   27.1 
2026-08-19 23:35 UT   00 46 19.3   +38 23 03     0.303    1.173  115.2   51.3   227   27.1 
2026-08-20 00:00 UT   00 46 18.4   +38 23 23     0.303    1.173  115.2   51.3   227   27.1 
2026-08-21 00:00 UT   00 45 28.1   +38 42 43     0.300    1.175  115.9   50.8   226   27.0 
2026-08-22 00:00 UT   00 44 32.6   +39 01 36     0.298    1.176  116.6   50.3   225   27.0 
2026-08-23 00:00 UT   00 43 31.7   +39 19 59     0.296    1.177  117.3   49.8   224   27.0 
2026-08-24 00:00 UT   00 42 25.4   +39 37 51     0.293    1.178  118.0   49.3   223   26.9 
2026-08-25 00:00 UT   00 41 13.5   +39 55 09     0.291    1.179  118.7   48.8   222   26.9 
2026-08-26 00:00 UT   00 39 56.0   +40 11 53     0.288    1.180  119.5   48.2   221   26.9 
2026-08-27 00:00 UT   00 38 32.8   +40 27 60     0.286    1.180  120.2   47.7   220   26.8 
2026-08-28 00:00 UT   00 37 03.8   +40 43 27     0.284    1.181  120.9   47.2   219   26.8 
2026-08-29 00:00 UT   00 35 28.8   +40 58 12     0.281    1.182  121.6   46.7   218   26.8 
2026-08-30 00:00 UT   00 33 48.0   +41 12 14     0.279    1.183  122.4   46.1   216   26.7 
2026-08-31 00:00 UT   00 32 01.1   +41 25 28     0.277    1.184  123.1   45.6   215   26.7 
2026-09-01 00:00 UT   00 30 08.3   +41 37 53     0.275    1.184  123.8   45.1   214   26.7 
2026-09-02 00:00 UT   00 28 09.3   +41 49 26     0.272    1.185  124.6   44.5   212   26.7 
2026-09-03 00:00 UT   00 26 04.3   +42 00 03     0.270    1.186  125.3   44.0   211   26.6 
2026-09-04 00:00 UT   00 23 53.3   +42 09 41     0.268    1.186  126.0   43.4   209   26.6 
2026-09-05 00:00 UT   00 21 36.4   +42 18 18     0.266    1.187  126.8   42.9   208   26.6 
2026-09-06 00:00 UT   00 19 13.6   +42 25 49     0.264    1.187  127.5   42.3   206   26.5 
2026-09-07 00:00 UT   00 16 45.0   +42 32 12     0.262    1.188  128.2   41.8   204   26.5 
2026-09-08 00:00 UT   00 14 10.9   +42 37 23     0.260    1.188  129.0   41.2   202   26.5 
2026-09-09 00:00 UT   00 11 31.4   +42 41 20     0.258    1.189  129.7   40.7   201   26.4 

    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.