2023 JY3
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	5 Mar 2026	28.5	2.911 AU	2.293 AU	07h03m	+30°20'	119.4°	17.3°

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 2023 JY3 are:

            e (Eccentricity)                : 0.5854805
            a (Semimajor axis)              : 2.3257818
            i (Inclination)                 : 7.70608
            Ω (Longitude of ascending node) : 69.88740
            ω (Argument of perihelion)      : 195.61318
            M (Mean anomaly)                : 245.95102
            Epoch                           : 2025 Nov 21

            L (Longitude of perihelion)     : 85.36637
            B (Latitude of perihelion)      : -2.06823
            P (Orbital period in years)     : 3.55            
        

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
2026-03-05 00:00 UT   07 03 15.1   +30 20 06     2.293    2.911  119.4   17.3   101   28.5 
2026-03-05 15:09 UT   07 03 00.7   +30 19 30     2.298    2.908  118.7   17.4   100   28.5 
2026-03-06 00:00 UT   07 02 52.6   +30 19 08     2.301    2.906  118.3   17.5   100   28.5 
2026-03-07 00:00 UT   07 02 32.0   +30 18 07     2.310    2.901  117.3   17.7   100   28.5 
2026-03-08 00:00 UT   07 02 13.3   +30 17 02     2.318    2.896  116.2   17.9   100   28.5 
2026-03-09 00:00 UT   07 01 56.5   +30 15 54     2.326    2.892  115.2   18.1   100   28.5 
2026-03-10 00:00 UT   07 01 41.5   +30 14 41     2.335    2.887  114.1   18.3   100   28.5 
2026-03-11 00:00 UT   07 01 28.4   +30 13 26     2.344    2.882  113.1   18.5    99   28.5 
2026-03-12 00:00 UT   07 01 17.2   +30 12 07     2.353    2.877  112.1   18.7    99   28.5 
2026-03-13 00:00 UT   07 01 07.9   +30 10 45     2.361    2.872  111.0   18.8    99   28.5 
2026-03-14 00:00 UT   07 01 00.3   +30 09 21     2.370    2.867  110.0   19.0    99   28.6 
2026-03-15 00:00 UT   07 00 54.7   +30 07 53     2.379    2.862  109.0   19.2    99   28.6 
2026-03-16 00:00 UT   07 00 50.8   +30 06 22     2.388    2.857  108.0   19.3    98   28.6 
2026-03-17 00:00 UT   07 00 48.8   +30 04 48     2.398    2.852  107.0   19.5    98   28.6 
2026-03-18 00:00 UT   07 00 48.6   +30 03 12     2.407    2.847  106.1   19.6    98   28.6 
2026-03-19 00:00 UT   07 00 50.2   +30 01 33     2.416    2.842  105.1   19.8    98   28.6 
2026-03-20 00:00 UT   07 00 53.6   +29 59 52     2.425    2.837  104.1   19.9    98   28.6 
2026-03-21 00:00 UT   07 00 58.8   +29 58 08     2.435    2.832  103.1   20.0    98   28.6 
2026-03-22 00:00 UT   07 01 05.7   +29 56 22     2.444    2.827  102.2   20.1    98   28.6 
2026-03-23 00:00 UT   07 01 14.3   +29 54 33     2.453    2.822  101.2   20.3    98   28.6 
2026-03-24 00:00 UT   07 01 24.7   +29 52 42     2.463    2.817  100.3   20.4    97   28.6 
2026-03-25 00:00 UT   07 01 36.8   +29 50 49     2.472    2.812   99.4   20.5    97   28.7 
2026-03-26 00:00 UT   07 01 50.5   +29 48 54     2.482    2.807   98.4   20.6    97   28.7 
2026-03-27 00:00 UT   07 02 06.0   +29 46 57     2.491    2.802   97.5   20.7    97   28.7 
2026-03-28 00:00 UT   07 02 23.0   +29 44 57     2.501    2.797   96.6   20.8    97   28.7 
2026-03-29 00:00 UT   07 02 41.7   +29 42 56     2.510    2.792   95.7   20.8    97   28.7 
2026-03-30 00:00 UT   07 03 02.0   +29 40 52     2.520    2.786   94.8   20.9    97   28.7 
2026-03-31 00:00 UT   07 03 23.8   +29 38 46     2.529    2.781   93.9   21.0    97   28.7 
2026-04-01 00:00 UT   07 03 47.2   +29 36 39     2.538    2.776   93.0   21.1    97   28.7 
2026-04-02 00:00 UT   07 04 12.2   +29 34 29     2.548    2.771   92.1   21.1    97   28.7 
2026-04-03 00:00 UT   07 04 38.7   +29 32 18     2.557    2.766   91.2   21.2    97   28.7 
2026-04-04 00:00 UT   07 05 06.7   +29 30 04     2.567    2.760   90.4   21.2    96   28.7 

    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.