2023 JY3
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	29 Jan 2026	28.0	3.068 AU	2.123 AU	07h34m	+29°52'	160.1°	6.3°

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
2026-01-29 00:00 UT   07 34 08.1   +29 52 51     2.123    3.068  160.1    6.3   122   28.0 
2026-01-29 13:46 UT   07 33 25.3   +29 54 30     2.123    3.065  159.4    6.5   121   28.0 
2026-01-30 00:00 UT   07 32 53.6   +29 55 42     2.124    3.063  158.9    6.6   121   28.0 
2026-01-31 00:00 UT   07 31 39.8   +29 58 24     2.125    3.059  157.7    7.0   119   28.0 
2026-02-01 00:00 UT   07 30 26.6   +30 00 58     2.126    3.055  156.5    7.4   118   28.0 
2026-02-02 00:00 UT   07 29 14.3   +30 03 25     2.127    3.051  155.3    7.8   117   28.0 
2026-02-03 00:00 UT   07 28 02.9   +30 05 43     2.129    3.046  154.1    8.1   116   28.1 
2026-02-04 00:00 UT   07 26 52.3   +30 07 53     2.131    3.042  152.9    8.5   115   28.1 
2026-02-05 00:00 UT   07 25 42.8   +30 09 56     2.134    3.038  151.7    8.9   114   28.1 
2026-02-06 00:00 UT   07 24 34.3   +30 11 50     2.136    3.033  150.5    9.2   113   28.1 
2026-02-07 00:00 UT   07 23 27.0   +30 13 37     2.139    3.029  149.3    9.6   112   28.1 
2026-02-08 00:00 UT   07 22 20.8   +30 15 16     2.142    3.025  148.1    9.9   111   28.1 
2026-02-09 00:00 UT   07 21 15.8   +30 16 47     2.146    3.020  146.9   10.3   111   28.1 
2026-02-10 00:00 UT   07 20 12.2   +30 18 10     2.149    3.016  145.7   10.6   110   28.2 
2026-02-11 00:00 UT   07 19 09.9   +30 19 26     2.153    3.012  144.5   11.0   109   28.2 
2026-02-12 00:00 UT   07 18 08.9   +30 20 34     2.158    3.007  143.3   11.3   109   28.2 
2026-02-13 00:00 UT   07 17 09.4   +30 21 35     2.162    3.003  142.1   11.7   108   28.2 
2026-02-14 00:00 UT   07 16 11.4   +30 22 29     2.167    2.998  140.9   12.0   108   28.2 
2026-02-15 00:00 UT   07 15 14.9   +30 23 16     2.172    2.994  139.7   12.3   107   28.2 
2026-02-16 00:00 UT   07 14 20.0   +30 23 56     2.177    2.989  138.5   12.6   106   28.2 
2026-02-17 00:00 UT   07 13 26.7   +30 24 29     2.182    2.985  137.3   13.0   106   28.3 
2026-02-18 00:00 UT   07 12 35.1   +30 24 55     2.188    2.980  136.2   13.3   106   28.3 
2026-02-19 00:00 UT   07 11 45.1   +30 25 15     2.194    2.976  135.0   13.6   105   28.3 
2026-02-20 00:00 UT   07 10 56.9   +30 25 28     2.200    2.971  133.9   13.9   105   28.3 
2026-02-21 00:00 UT   07 10 10.4   +30 25 36     2.206    2.967  132.7   14.2   104   28.3 
2026-02-22 00:00 UT   07 09 25.7   +30 25 37     2.212    2.962  131.6   14.5   104   28.3 
2026-02-23 00:00 UT   07 08 42.8   +30 25 33     2.219    2.958  130.4   14.8   104   28.3 
2026-02-24 00:00 UT   07 08 01.7   +30 25 22     2.225    2.953  129.3   15.0   103   28.4 
2026-02-25 00:00 UT   07 07 22.4   +30 25 07     2.232    2.948  128.2   15.3   103   28.4 
2026-02-26 00:00 UT   07 06 44.9   +30 24 46     2.239    2.944  127.0   15.6   103   28.4 
2026-02-27 00:00 UT   07 06 09.3   +30 24 20     2.247    2.939  125.9   15.8   102   28.4 
2026-02-28 00:00 UT   07 05 35.6   +30 23 49     2.254    2.934  124.8   16.1   102   28.4 

    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.