2021 JG2
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	9 Sep 2026	27.6	1.143 AU	0.523 AU	04h56m	+19°06'	91.0°	61.8°

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 2021 JG2 are:

            e (Eccentricity)                : 0.3800718
            a (Semimajor axis)              : 1.4078961
            i (Inclination)                 : 1.87570
            Ω (Longitude of ascending node) : 134.42778
            ω (Argument of perihelion)      : 156.91068
            M (Mean anomaly)                : 347.11788
            Epoch                           : 2026 Jun 09

            L (Longitude of perihelion)     : 111.34954
            B (Latitude of perihelion)      : 0.73547
            P (Orbital period in years)     : 1.67            
        

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
2026-09-09 00:00 UT   04 56 34.7   +19 06 43     0.523    1.143   91.0   61.8   264   27.6 
2026-09-09 04:00 UT   04 56 44.3   +19 06 29     0.523    1.144   91.1   61.7   264   27.6 
2026-09-10 00:00 UT   04 57 31.7   +19 05 21     0.523    1.149   91.7   61.2   264   27.5 
2026-09-11 00:00 UT   04 58 26.0   +19 03 54     0.523    1.155   92.5   60.6   264   27.5 
2026-09-12 00:00 UT   04 59 17.5   +19 02 23     0.524    1.161   93.2   60.0   264   27.5 
2026-09-13 00:00 UT   05 00 06.1   +19 00 46     0.524    1.167   94.0   59.4   264   27.5 
2026-09-14 00:00 UT   05 00 51.8   +18 59 05     0.523    1.173   94.8   58.8   264   27.5 
2026-09-15 00:00 UT   05 01 34.6   +18 57 19     0.523    1.178   95.6   58.1   265   27.5 
2026-09-16 00:00 UT   05 02 14.2   +18 55 28     0.523    1.184   96.5   57.5   265   27.5 
2026-09-17 00:00 UT   05 02 50.8   +18 53 33     0.523    1.190   97.3   56.9   265   27.5 
2026-09-18 00:00 UT   05 03 24.1   +18 51 32     0.522    1.196   98.1   56.3   265   27.5 
2026-09-19 00:00 UT   05 03 54.3   +18 49 28     0.522    1.202   99.0   55.6   265   27.5 
2026-09-20 00:00 UT   05 04 21.1   +18 47 19     0.521    1.208   99.9   55.0   265   27.5 
2026-09-21 00:00 UT   05 04 44.6   +18 45 05     0.521    1.214  100.7   54.3   265   27.5 
2026-09-22 00:00 UT   05 05 04.7   +18 42 47     0.520    1.220  101.6   53.7   265   27.4 
2026-09-23 00:00 UT   05 05 21.3   +18 40 25     0.519    1.226  102.6   53.0   266   27.4 
2026-09-24 00:00 UT   05 05 34.4   +18 37 58     0.518    1.232  103.5   52.4   266   27.4 
2026-09-25 00:00 UT   05 05 43.9   +18 35 27     0.518    1.238  104.4   51.7   266   27.4 
2026-09-26 00:00 UT   05 05 49.7   +18 32 51     0.517    1.244  105.4   51.0   266   27.4 
2026-09-27 00:00 UT   05 05 51.8   +18 30 11     0.516    1.250  106.4   50.3   266   27.4 
2026-09-28 00:00 UT   05 05 50.1   +18 27 26     0.515    1.256  107.3   49.6   266   27.4 
2026-09-29 00:00 UT   05 05 44.5   +18 24 37     0.514    1.262  108.3   48.9   266   27.4 
2026-09-30 00:00 UT   05 05 35.0   +18 21 43     0.513    1.268  109.4   48.2   266   27.3 
2026-10-01 00:00 UT   05 05 21.5   +18 18 45     0.512    1.274  110.4   47.5   266   27.3 
2026-10-02 00:00 UT   05 05 04.0   +18 15 42     0.511    1.279  111.5   46.7   266   27.3 
2026-10-03 00:00 UT   05 04 42.4   +18 12 34     0.510    1.285  112.5   46.0   266   27.3 
2026-10-04 00:00 UT   05 04 16.5   +18 09 22     0.509    1.291  113.6   45.2   267   27.3 
2026-10-05 00:00 UT   05 03 46.4   +18 06 05     0.507    1.297  114.7   44.5   267   27.3 
2026-10-06 00:00 UT   05 03 12.1   +18 02 43     0.506    1.303  115.8   43.7   267   27.3 
2026-10-07 00:00 UT   05 02 33.4   +17 59 16     0.505    1.309  117.0   42.9   267   27.2 
2026-10-08 00:00 UT   05 01 50.3   +17 55 44     0.504    1.315  118.1   42.1   267   27.2 
2026-10-09 00:00 UT   05 01 02.8   +17 52 07     0.503    1.320  119.3   41.3   267   27.2 

    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.