2019 YD3
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	27 Sep 2026	29.7	2.050 AU	1.589 AU	19h08m	-23°21'	102.2°	28.5°

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)                : 0.3487682
            a (Semimajor axis)              : 1.5259930
            i (Inclination)                 : 1.19638
            Ω (Longitude of ascending node) : 100.41709
            ω (Argument of perihelion)      : 27.00811
            M (Mean anomaly)                : 135.85312
            Epoch                           : 2026 Jun 09

            L (Longitude of perihelion)     : 127.42015
            B (Latitude of perihelion)      : 0.54326
            P (Orbital period in years)     : 1.89            
        

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
2026-09-27 00:00 UT   19 08 53.6   -23 21 43     1.589    2.050  102.2   28.5    83   29.7 
2026-09-27 02:49 UT   19 08 59.0   -23 21 34     1.590    2.050  102.1   28.6    83   29.7 
2026-09-28 00:00 UT   19 09 40.0   -23 20 25     1.600    2.050  101.4   28.6    83   29.7 
2026-09-29 00:00 UT   19 10 28.1   -23 19 03     1.612    2.049  100.6   28.7    83   29.8 
2026-09-30 00:00 UT   19 11 17.9   -23 17 37     1.624    2.048   99.8   28.8    83   29.8 
2026-10-01 00:00 UT   19 12 09.2   -23 16 07     1.635    2.048   99.1   28.9    83   29.8 
2026-10-02 00:00 UT   19 13 02.1   -23 14 34     1.647    2.047   98.3   28.9    83   29.8 
2026-10-03 00:00 UT   19 13 56.5   -23 12 57     1.659    2.046   97.5   29.0    83   29.8 
2026-10-04 00:00 UT   19 14 52.4   -23 11 16     1.670    2.045   96.7   29.1    83   29.8 
2026-10-05 00:00 UT   19 15 49.8   -23 09 31     1.682    2.044   96.0   29.1    82   29.9 
2026-10-06 00:00 UT   19 16 48.7   -23 07 42     1.694    2.044   95.2   29.2    82   29.9 
2026-10-07 00:00 UT   19 17 49.0   -23 05 49     1.705    2.043   94.5   29.2    82   29.9 
2026-10-08 00:00 UT   19 18 50.7   -23 03 51     1.717    2.042   93.7   29.2    82   29.9 
2026-10-09 00:00 UT   19 19 53.8   -23 01 50     1.729    2.041   93.0   29.3    82   29.9 
2026-10-10 00:00 UT   19 20 58.2   -22 59 44     1.740    2.040   92.2   29.3    82   29.9 
2026-10-11 00:00 UT   19 22 04.0   -22 57 34     1.752    2.039   91.5   29.3    82   29.9 
2026-10-12 00:00 UT   19 23 11.1   -22 55 20     1.764    2.038   90.8   29.3    82   30.0 
2026-10-13 00:00 UT   19 24 19.5   -22 53 01     1.775    2.037   90.1   29.3    82   30.0 
2026-10-14 00:00 UT   19 25 29.1   -22 50 38     1.787    2.036   89.3   29.3    82   30.0 
2026-10-15 00:00 UT   19 26 40.0   -22 48 11     1.798    2.035   88.6   29.3    82   30.0 
2026-10-16 00:00 UT   19 27 52.1   -22 45 39     1.810    2.034   87.9   29.3    81   30.0 
2026-10-17 00:00 UT   19 29 05.3   -22 43 02     1.821    2.033   87.2   29.3    81   30.0 
2026-10-18 00:00 UT   19 30 19.7   -22 40 21     1.833    2.032   86.5   29.3    81   30.0 
2026-10-19 00:00 UT   19 31 35.2   -22 37 35     1.844    2.031   85.8   29.3    81   30.0 
2026-10-20 00:00 UT   19 32 51.8   -22 34 45     1.855    2.029   85.1   29.3    81   30.1 
2026-10-21 00:00 UT   19 34 09.5   -22 31 49     1.867    2.028   84.4   29.2    81   30.1 
2026-10-22 00:00 UT   19 35 28.2   -22 28 49     1.878    2.027   83.7   29.2    81   30.1 
2026-10-23 00:00 UT   19 36 48.0   -22 25 45     1.889    2.026   83.0   29.2    81   30.1 
2026-10-24 00:00 UT   19 38 08.8   -22 22 35     1.900    2.025   82.4   29.1    81   30.1 
2026-10-25 00:00 UT   19 39 30.6   -22 19 21     1.912    2.023   81.7   29.1    80   30.1 
2026-10-26 00:00 UT   19 40 53.3   -22 16 01     1.923    2.022   81.0   29.1    80   30.1 
2026-10-27 00:00 UT   19 42 17.0   -22 12 37     1.934    2.021   80.3   29.0    80   30.1 

    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.