(613291) 2005 YX128
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	25 Sep 2026	24.7	3.668 AU	2.809 AU	02h13m	+18°17'	144.1°	9.2°

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 YX128 are:

            e (Eccentricity)                : 0.7329267
            a (Semimajor axis)              : 2.1774321
            i (Inclination)                 : 4.63071
            Ω (Longitude of ascending node) : 257.78367
            ω (Argument of perihelion)      : 318.47314
            M (Mean anomaly)                : 110.98634
            Epoch                           : 2026 Jun 09

            L (Longitude of perihelion)     : 216.34977
            B (Latitude of perihelion)      : -3.06815
            P (Orbital period in years)     : 3.21            
        

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
2026-09-25 00:00 UT   02 13 17.7   +18 17 48     2.809    3.668  144.1    9.2   244   24.7 
2026-09-25 20:37 UT   02 12 36.0   +18 14 48     2.803    3.670  145.1    9.0   244   24.7 
2026-09-26 00:00 UT   02 12 29.1   +18 14 18     2.802    3.670  145.2    9.0   244   24.7 
2026-09-27 00:00 UT   02 11 39.5   +18 10 39     2.795    3.672  146.4    8.7   243   24.6 
2026-09-28 00:00 UT   02 10 49.0   +18 06 54     2.788    3.674  147.6    8.4   243   24.6 
2026-09-29 00:00 UT   02 09 57.6   +18 03 02     2.782    3.675  148.8    8.1   243   24.6 
2026-09-30 00:00 UT   02 09 05.3   +17 59 03     2.776    3.677  149.9    7.8   242   24.6 
2026-10-01 00:00 UT   02 08 12.1   +17 54 56     2.770    3.679  151.1    7.6   242   24.6 
2026-10-02 00:00 UT   02 07 18.1   +17 50 43     2.765    3.681  152.3    7.3   241   24.6 
2026-10-03 00:00 UT   02 06 23.3   +17 46 23     2.759    3.682  153.5    7.0   241   24.5 
2026-10-04 00:00 UT   02 05 27.8   +17 41 56     2.754    3.684  154.7    6.7   240   24.5 
2026-10-05 00:00 UT   02 04 31.6   +17 37 23     2.750    3.686  155.9    6.4   239   24.5 
2026-10-06 00:00 UT   02 03 34.7   +17 32 43     2.745    3.687  157.1    6.1   239   24.5 
2026-10-07 00:00 UT   02 02 37.1   +17 27 57     2.741    3.689  158.3    5.7   238   24.5 
2026-10-08 00:00 UT   02 01 38.9   +17 23 05     2.738    3.690  159.5    5.4   237   24.5 
2026-10-09 00:00 UT   02 00 40.2   +17 18 07     2.734    3.692  160.7    5.1   236   24.4 
2026-10-10 00:00 UT   01 59 41.0   +17 13 03     2.731    3.694  161.9    4.8   235   24.4 
2026-10-11 00:00 UT   01 58 41.3   +17 07 53     2.728    3.695  163.1    4.5   234   24.4 
2026-10-12 00:00 UT   01 57 41.2   +17 02 38     2.726    3.697  164.3    4.2   233   24.4 
2026-10-13 00:00 UT   01 56 40.7   +16 57 17     2.724    3.698  165.5    3.9   231   24.4 
2026-10-14 00:00 UT   01 55 39.8   +16 51 52     2.722    3.700  166.6    3.6   229   24.3 
2026-10-15 00:00 UT   01 54 38.7   +16 46 21     2.720    3.701  167.8    3.3   227   24.3 
2026-10-16 00:00 UT   01 53 37.4   +16 40 46     2.719    3.703  169.0    3.0   224   24.3 
2026-10-17 00:00 UT   01 52 35.8   +16 35 07     2.718    3.704  170.1    2.7   221   24.3 
2026-10-18 00:00 UT   01 51 34.2   +16 29 23     2.718    3.706  171.2    2.4   217   24.3 
2026-10-19 00:00 UT   01 50 32.4   +16 23 36     2.718    3.707  172.2    2.1   212   24.3 
2026-10-20 00:00 UT   01 49 30.6   +16 17 45     2.718    3.709  173.2    1.8   206   24.2 
2026-10-21 00:00 UT   01 48 28.8   +16 11 50     2.718    3.710  174.0    1.6   198   24.2 
2026-10-22 00:00 UT   01 47 27.1   +16 05 53     2.719    3.711  174.7    1.4   187   24.2 
2026-10-23 00:00 UT   01 46 25.4   +15 59 52     2.720    3.713  175.2    1.3   173   24.2 
2026-10-24 00:00 UT   01 45 23.9   +15 53 49     2.722    3.714  175.3    1.3   158   24.2 
2026-10-25 00:00 UT   01 44 22.5   +15 47 44     2.724    3.715  175.1    1.3   143   24.2 

    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.