2019 RJ1
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	21 Mar 2026	32.9	3.686 AU	3.008 AU	15h25m	-18°31'	126.3°	12.6°

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 RJ1 are:

            e (Eccentricity)                : 0.6122259
            a (Semimajor axis)              : 2.4715937
            i (Inclination)                 : 1.21314
            Ω (Longitude of ascending node) : 213.86100
            ω (Argument of perihelion)      : 168.84466
            M (Mean anomaly)                : 207.10788
            Epoch                           : 2025 Nov 21

            L (Longitude of perihelion)     : 202.70810
            B (Latitude of perihelion)      : 0.23469
            P (Orbital period in years)     : 3.89            
        

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
2026-03-21 00:00 UT   15 25 32.3   -18 31 11     3.008    3.686  126.3   12.6   284   32.9 
2026-03-21 23:12 UT   15 25 15.0   -18 29 57     2.993    3.683  127.3   12.4   284   32.9 
2026-03-22 00:00 UT   15 25 14.3   -18 29 54     2.993    3.683  127.4   12.4   284   32.9 
2026-03-23 00:00 UT   15 24 55.1   -18 28 32     2.977    3.681  128.4   12.2   284   32.8 
2026-03-24 00:00 UT   15 24 34.5   -18 27 05     2.962    3.678  129.5   12.1   284   32.8 
2026-03-25 00:00 UT   15 24 12.7   -18 25 33     2.948    3.675  130.6   11.9   284   32.8 
2026-03-26 00:00 UT   15 23 49.6   -18 23 56     2.933    3.673  131.7   11.7   284   32.8 
2026-03-27 00:00 UT   15 23 25.2   -18 22 14     2.918    3.670  132.8   11.5   284   32.8 
2026-03-28 00:00 UT   15 22 59.6   -18 20 27     2.904    3.667  133.9   11.3   284   32.7 
2026-03-29 00:00 UT   15 22 32.7   -18 18 35     2.890    3.664  135.0   11.1   284   32.7 
2026-03-30 00:00 UT   15 22 04.6   -18 16 38     2.876    3.661  136.1   10.9   284   32.7 
2026-03-31 00:00 UT   15 21 35.2   -18 14 37     2.862    3.659  137.2   10.7   284   32.7 
2026-04-01 00:00 UT   15 21 04.6   -18 12 30     2.849    3.656  138.3   10.5   284   32.7 
2026-04-02 00:00 UT   15 20 32.8   -18 10 18     2.836    3.653  139.4   10.3   285   32.6 
2026-04-03 00:00 UT   15 19 59.7   -18 08 01     2.823    3.650  140.5   10.0   285   32.6 
2026-04-04 00:00 UT   15 19 25.5   -18 05 40     2.810    3.647  141.7    9.8   285   32.6 
2026-04-05 00:00 UT   15 18 50.1   -18 03 13     2.797    3.644  142.8    9.6   285   32.6 
2026-04-06 00:00 UT   15 18 13.5   -18 00 41     2.785    3.642  143.9    9.3   285   32.5 
2026-04-07 00:00 UT   15 17 35.7   -17 58 04     2.773    3.639  145.1    9.1   285   32.5 
2026-04-08 00:00 UT   15 16 56.7   -17 55 22     2.761    3.636  146.2    8.8   285   32.5 
2026-04-09 00:00 UT   15 16 16.7   -17 52 36     2.749    3.633  147.4    8.5   285   32.5 
2026-04-10 00:00 UT   15 15 35.5   -17 49 44     2.738    3.630  148.5    8.3   285   32.5 
2026-04-11 00:00 UT   15 14 53.2   -17 46 47     2.727    3.627  149.7    8.0   285   32.4 
2026-04-12 00:00 UT   15 14 09.9   -17 43 46     2.716    3.624  150.8    7.7   285   32.4 
2026-04-13 00:00 UT   15 13 25.5   -17 40 40     2.705    3.621  152.0    7.5   285   32.4 
2026-04-14 00:00 UT   15 12 40.0   -17 37 29     2.695    3.618  153.2    7.2   285   32.4 
2026-04-15 00:00 UT   15 11 53.6   -17 34 13     2.685    3.615  154.3    6.9   285   32.3 
2026-04-16 00:00 UT   15 11 06.2   -17 30 52     2.675    3.612  155.5    6.6   285   32.3 
2026-04-17 00:00 UT   15 10 17.8   -17 27 27     2.665    3.609  156.7    6.3   285   32.3 
2026-04-18 00:00 UT   15 09 28.5   -17 23 58     2.656    3.606  157.9    6.0   285   32.3 
2026-04-19 00:00 UT   15 08 38.4   -17 20 24     2.647    3.603  159.1    5.7   285   32.3 
2026-04-20 00:00 UT   15 07 47.4   -17 16 46     2.639    3.600  160.2    5.4   285   32.2 

    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.