2019 RJ1
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	6 Oct 2026	32.7	2.882 AU	3.596 AU	15h14m	-17°31'	38.6°	12.5°

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)                : 0.6120724
            a (Semimajor axis)              : 2.4719083
            i (Inclination)                 : 1.21287
            Ω (Longitude of ascending node) : 213.85945
            ω (Argument of perihelion)      : 168.83670
            M (Mean anomaly)                : 257.84440
            Epoch                           : 2026 Jun 09

            L (Longitude of perihelion)     : 202.69859
            B (Latitude of perihelion)      : 0.23480
            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
2026-10-06 00:00 UT   15 14 36.6   -17 31 52     3.596    2.882   38.6   12.5   105   32.7 
2026-10-06 11:48 UT   15 15 14.1   -17 34 16     3.598    2.879   38.2   12.4   105   32.7 
2026-10-07 00:00 UT   15 15 53.1   -17 36 45     3.599    2.877   37.9   12.3   105   32.7 
2026-10-08 00:00 UT   15 17 10.2   -17 41 40     3.603    2.871   37.2   12.2   104   32.7 
2026-10-09 00:00 UT   15 18 27.9   -17 46 34     3.606    2.865   36.6   12.0   104   32.7 
2026-10-10 00:00 UT   15 19 46.2   -17 51 28     3.609    2.860   35.9   11.8   104   32.7 
2026-10-11 00:00 UT   15 21 05.1   -17 56 22     3.611    2.854   35.2   11.6   104   32.7 
2026-10-12 00:00 UT   15 22 24.6   -18 01 16     3.614    2.849   34.6   11.5   104   32.7 
2026-10-13 00:00 UT   15 23 44.7   -18 06 09     3.616    2.843   33.9   11.3   104   32.7 
2026-10-14 00:00 UT   15 25 05.4   -18 11 02     3.619    2.837   33.2   11.1   104   32.6 
2026-10-15 00:00 UT   15 26 26.6   -18 15 55     3.621    2.832   32.6   10.9   104   32.6 
2026-10-16 00:00 UT   15 27 48.5   -18 20 48     3.623    2.826   31.9   10.8   103   32.6 
2026-10-17 00:00 UT   15 29 10.9   -18 25 40     3.625    2.820   31.3   10.6   103   32.6 
2026-10-18 00:00 UT   15 30 33.9   -18 30 31     3.626    2.815   30.6   10.4   103   32.6 
2026-10-19 00:00 UT   15 31 57.4   -18 35 21     3.628    2.809   30.0   10.2   103   32.6 
2026-10-20 00:00 UT   15 33 21.6   -18 40 11     3.629    2.803   29.3   10.0   103   32.6 
2026-10-21 00:00 UT   15 34 46.2   -18 45 00     3.630    2.797   28.7    9.8   103   32.6 
2026-10-22 00:00 UT   15 36 11.5   -18 49 49     3.631    2.792   28.0    9.6   103   32.6 
2026-10-23 00:00 UT   15 37 37.3   -18 54 36     3.632    2.786   27.4    9.4   102   32.5 
2026-10-24 00:00 UT   15 39 03.6   -18 59 22     3.632    2.780   26.7    9.3   102   32.5 
2026-10-25 00:00 UT   15 40 30.5   -19 04 07     3.633    2.774   26.1    9.1   102   32.5 
2026-10-26 00:00 UT   15 41 58.0   -19 08 51     3.633    2.768   25.4    8.9   102   32.5 
2026-10-27 00:00 UT   15 43 26.0   -19 13 34     3.633    2.762   24.8    8.7   102   32.5 
2026-10-28 00:00 UT   15 44 54.6   -19 18 16     3.633    2.756   24.1    8.5   102   32.5 
2026-10-29 00:00 UT   15 46 23.7   -19 22 56     3.633    2.751   23.5    8.3   102   32.5 
2026-10-30 00:00 UT   15 47 53.3   -19 27 35     3.633    2.745   22.9    8.1   101   32.5 
2026-10-31 00:00 UT   15 49 23.6   -19 32 13     3.632    2.739   22.2    7.9   101   32.4 

    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.