2019 YD3
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	29 Apr 2026	29.5	1.866 AU	1.495 AU	20h24m	-19°03'	94.5°	32.5°

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 2019 YD3 are:

            e (Eccentricity)                : 0.3487908
            a (Semimajor axis)              : 1.5258761
            i (Inclination)                 : 1.19638
            Ω (Longitude of ascending node) : 100.41653
            ω (Argument of perihelion)      : 26.99466
            M (Mean anomaly)                : 31.29230
            Epoch                           : 2025 Nov 21

            L (Longitude of perihelion)     : 127.40614
            B (Latitude of perihelion)      : 0.54301
            P (Orbital period in years)     : 1.88            
        

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
2026-04-29 00:00 UT   20 24 33.8   -19 03 21     1.495    1.866   94.5   32.5   256   29.5 
2026-04-29 16:48 UT   20 25 15.2   -19 01 16     1.489    1.869   95.0   32.5   256   29.5 
2026-04-30 00:00 UT   20 25 32.7   -19 00 24     1.487    1.870   95.2   32.4   256   29.5 
2026-05-01 00:00 UT   20 26 30.0   -18 57 31     1.478    1.873   95.9   32.4   256   29.5 
2026-05-02 00:00 UT   20 27 25.7   -18 54 43     1.469    1.876   96.7   32.3   256   29.5 
2026-05-03 00:00 UT   20 28 19.6   -18 52 01     1.460    1.878   97.4   32.1   256   29.5 
2026-05-04 00:00 UT   20 29 11.7   -18 49 24     1.451    1.881   98.2   32.0   256   29.4 
2026-05-05 00:00 UT   20 30 02.1   -18 46 52     1.443    1.884   99.0   31.9   256   29.4 
2026-05-06 00:00 UT   20 30 50.8   -18 44 27     1.434    1.887   99.7   31.8   256   29.4 
2026-05-07 00:00 UT   20 31 37.6   -18 42 07     1.425    1.890  100.5   31.7   256   29.4 
2026-05-08 00:00 UT   20 32 22.6   -18 39 53     1.416    1.893  101.3   31.5   256   29.4 
2026-05-09 00:00 UT   20 33 05.7   -18 37 46     1.407    1.896  102.1   31.4   256   29.4 
2026-05-10 00:00 UT   20 33 46.9   -18 35 45     1.398    1.899  102.9   31.2   256   29.4 
2026-05-11 00:00 UT   20 34 26.1   -18 33 51     1.390    1.901  103.7   31.1   256   29.3 
2026-05-12 00:00 UT   20 35 03.5   -18 32 04     1.381    1.904  104.5   30.9   256   29.3 
2026-05-13 00:00 UT   20 35 38.8   -18 30 25     1.372    1.907  105.3   30.7   256   29.3 
2026-05-14 00:00 UT   20 36 12.1   -18 28 52     1.363    1.910  106.2   30.5   255   29.3 
2026-05-15 00:00 UT   20 36 43.4   -18 27 27     1.354    1.912  107.0   30.4   255   29.3 
2026-05-16 00:00 UT   20 37 12.6   -18 26 11     1.345    1.915  107.9   30.2   255   29.3 
2026-05-17 00:00 UT   20 37 39.6   -18 25 02     1.337    1.918  108.7   30.0   255   29.2 
2026-05-18 00:00 UT   20 38 04.6   -18 24 01     1.328    1.920  109.6   29.8   255   29.2 
2026-05-19 00:00 UT   20 38 27.3   -18 23 08     1.319    1.923  110.5   29.5   255   29.2 
2026-05-20 00:00 UT   20 38 47.9   -18 22 24     1.311    1.925  111.3   29.3   255   29.2 
2026-05-21 00:00 UT   20 39 06.3   -18 21 49     1.302    1.928  112.2   29.1   255   29.2 
2026-05-22 00:00 UT   20 39 22.4   -18 21 22     1.294    1.930  113.1   28.8   255   29.2 
2026-05-23 00:00 UT   20 39 36.3   -18 21 04     1.285    1.933  114.0   28.6   255   29.1 
2026-05-24 00:00 UT   20 39 47.9   -18 20 56     1.277    1.935  114.9   28.3   255   29.1 
2026-05-25 00:00 UT   20 39 57.2   -18 20 56     1.268    1.938  115.9   28.1   255   29.1 
2026-05-26 00:00 UT   20 40 04.1   -18 21 06     1.260    1.940  116.8   27.8   255   29.1 
2026-05-27 00:00 UT   20 40 08.6   -18 21 25     1.251    1.942  117.7   27.5   255   29.1 
2026-05-28 00:00 UT   20 40 10.8   -18 21 53     1.243    1.945  118.7   27.2   255   29.0 
2026-05-29 00:00 UT   20 40 10.6   -18 22 31     1.235    1.947  119.7   26.9   255   29.0 

    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.