2019 RJ1
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	5 Mar 2026	33.1	3.727 AU	3.272 AU	15h27m	-18°41'	109.8°	14.5°

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 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
2026-03-05 00:00 UT   15 27 29.2   -18 41 10     3.272    3.727  109.8   14.5   284   33.1 
2026-03-05 12:49 UT   15 27 30.4   -18 41 09     3.263    3.726  110.4   14.4   284   33.1 
2026-03-06 00:00 UT   15 27 31.1   -18 41 07     3.255    3.725  110.8   14.4   284   33.1 
2026-03-07 00:00 UT   15 27 31.7   -18 40 59     3.238    3.722  111.8   14.3   284   33.1 
2026-03-08 00:00 UT   15 27 31.2   -18 40 46     3.220    3.720  112.8   14.2   284   33.1 
2026-03-09 00:00 UT   15 27 29.5   -18 40 30     3.203    3.717  113.9   14.1   284   33.1 
2026-03-10 00:00 UT   15 27 26.6   -18 40 09     3.186    3.715  114.9   14.0   284   33.1 
2026-03-11 00:00 UT   15 27 22.5   -18 39 43     3.170    3.712  115.9   13.9   284   33.0 
2026-03-12 00:00 UT   15 27 17.1   -18 39 13     3.153    3.710  116.9   13.8   284   33.0 
2026-03-13 00:00 UT   15 27 10.5   -18 38 38     3.136    3.707  117.9   13.7   284   33.0 
2026-03-14 00:00 UT   15 27 02.7   -18 37 59     3.120    3.705  119.0   13.6   284   33.0 
2026-03-15 00:00 UT   15 26 53.6   -18 37 15     3.103    3.702  120.0   13.5   284   33.0 
2026-03-16 00:00 UT   15 26 43.2   -18 36 26     3.087    3.699  121.0   13.3   284   33.0 
2026-03-17 00:00 UT   15 26 31.6   -18 35 33     3.071    3.697  122.1   13.2   284   32.9 
2026-03-18 00:00 UT   15 26 18.7   -18 34 35     3.055    3.694  123.1   13.0   284   32.9 
2026-03-19 00:00 UT   15 26 04.5   -18 33 32     3.039    3.691  124.2   12.9   284   32.9 
2026-03-20 00:00 UT   15 25 49.1   -18 32 24     3.023    3.689  125.2   12.7   284   32.9 
2026-03-21 00:00 UT   15 25 32.3   -18 31 11     3.008    3.686  126.3   12.6   284   32.9 
2026-03-22 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 

    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.