2019 YD3
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	27 Aug 2026	29.0	2.058 AU	1.251 AU	19h01m	-23°32'	130.7°	21.9°

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
2026-08-27 00:00 UT   19 01 37.5   -23 32 17     1.251    2.058  130.7   21.9    83   29.0 
2026-08-27 21:27 UT   19 01 18.3   -23 32 50     1.260    2.058  129.8   22.2    83   29.0 
2026-08-28 00:00 UT   19 01 16.2   -23 32 54     1.261    2.058  129.7   22.2    83   29.0 
2026-08-29 00:00 UT   19 00 57.5   -23 33 27     1.270    2.058  128.6   22.5    83   29.1 
2026-08-30 00:00 UT   19 00 41.5   -23 33 56     1.280    2.058  127.6   22.9    83   29.1 
2026-08-31 00:00 UT   19 00 28.0   -23 34 20     1.290    2.058  126.6   23.2    83   29.1 
2026-09-01 00:00 UT   19 00 17.0   -23 34 40     1.300    2.058  125.6   23.5    83   29.1 
2026-09-02 00:00 UT   19 00 08.6   -23 34 57     1.310    2.058  124.6   23.8    83   29.2 
2026-09-03 00:00 UT   19 00 02.6   -23 35 09     1.321    2.058  123.6   24.1    84   29.2 
2026-09-04 00:00 UT   18 59 59.1   -23 35 17     1.331    2.058  122.6   24.4    84   29.2 
2026-09-05 00:00 UT   18 59 58.1   -23 35 22     1.342    2.058  121.6   24.7    84   29.2 
2026-09-06 00:00 UT   18 59 59.5   -23 35 22     1.352    2.058  120.7   24.9    84   29.3 
2026-09-07 00:00 UT   19 00 03.3   -23 35 19     1.363    2.058  119.7   25.2    84   29.3 
2026-09-08 00:00 UT   19 00 09.4   -23 35 13     1.374    2.058  118.7   25.4    84   29.3 
2026-09-09 00:00 UT   19 00 17.9   -23 35 02     1.384    2.057  117.8   25.7    84   29.3 
2026-09-10 00:00 UT   19 00 28.7   -23 34 48     1.395    2.057  116.9   25.9    84   29.4 
2026-09-11 00:00 UT   19 00 41.8   -23 34 31     1.406    2.057  116.0   26.1    84   29.4 
2026-09-12 00:00 UT   19 00 57.2   -23 34 09     1.417    2.057  115.0   26.3    84   29.4 
2026-09-13 00:00 UT   19 01 14.7   -23 33 45     1.428    2.056  114.1   26.5    84   29.4 
2026-09-14 00:00 UT   19 01 34.4   -23 33 16     1.440    2.056  113.2   26.7    84   29.5 
2026-09-15 00:00 UT   19 01 56.3   -23 32 44     1.451    2.056  112.4   26.9    84   29.5 
2026-09-16 00:00 UT   19 02 20.3   -23 32 09     1.462    2.055  111.5   27.1    84   29.5 
2026-09-17 00:00 UT   19 02 46.3   -23 31 30     1.473    2.055  110.6   27.3    83   29.5 
2026-09-18 00:00 UT   19 03 14.4   -23 30 47     1.485    2.055  109.7   27.4    83   29.5 
2026-09-19 00:00 UT   19 03 44.5   -23 30 01     1.496    2.054  108.9   27.6    83   29.6 
2026-09-20 00:00 UT   19 04 16.6   -23 29 12     1.508    2.054  108.0   27.7    83   29.6 
2026-09-21 00:00 UT   19 04 50.6   -23 28 18     1.519    2.053  107.2   27.9    83   29.6 
2026-09-22 00:00 UT   19 05 26.4   -23 27 22     1.531    2.053  106.3   28.0    83   29.6 
2026-09-23 00:00 UT   19 06 04.2   -23 26 21     1.542    2.052  105.5   28.1    83   29.6 
2026-09-24 00:00 UT   19 06 43.7   -23 25 18     1.554    2.052  104.7   28.2    83   29.7 
2026-09-25 00:00 UT   19 07 25.0   -23 24 10     1.565    2.051  103.8   28.3    83   29.7 
2026-09-26 00:00 UT   19 08 08.1   -23 22 59     1.577    2.051  103.0   28.4    83   29.7 

    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.