2019 RJ1
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	16 Nov 2025	33.7	3.925 AU	4.852 AU	14h11m	-13°18'	18.3°	4.5°

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
2025-11-16 00:00 UT   14 11 31.7   -13 18 11     4.852    3.925   18.3    4.5   289   33.7 
2025-11-16 14:19 UT   14 12 07.7   -13 21 14     4.848    3.925   18.8    4.7   289   33.7 
2025-11-17 00:00 UT   14 12 32.0   -13 23 18     4.845    3.924   19.1    4.7   289   33.7 
2025-11-18 00:00 UT   14 13 32.4   -13 28 23     4.839    3.923   19.8    4.9   289   33.7 
2025-11-19 00:00 UT   14 14 32.6   -13 33 27     4.832    3.922   20.6    5.1   289   33.7 
2025-11-20 00:00 UT   14 15 32.8   -13 38 29     4.825    3.921   21.3    5.3   289   33.7 
2025-11-21 00:00 UT   14 16 32.9   -13 43 30     4.817    3.919   22.1    5.4   289   33.7 
2025-11-22 00:00 UT   14 17 32.9   -13 48 30     4.810    3.918   22.8    5.6   289   33.7 
2025-11-23 00:00 UT   14 18 32.8   -13 53 27     4.802    3.917   23.6    5.8   289   33.7 
2025-11-24 00:00 UT   14 19 32.7   -13 58 24     4.794    3.916   24.3    6.0   289   33.7 
2025-11-25 00:00 UT   14 20 32.4   -14 03 18     4.786    3.914   25.1    6.1   289   33.7 
2025-11-26 00:00 UT   14 21 32.0   -14 08 11     4.778    3.913   25.9    6.3   289   33.7 
2025-11-27 00:00 UT   14 22 31.5   -14 13 02     4.769    3.912   26.6    6.5   289   33.7 
2025-11-28 00:00 UT   14 23 30.9   -14 17 51     4.760    3.910   27.4    6.7   289   33.8 
2025-11-29 00:00 UT   14 24 30.1   -14 22 39     4.751    3.909   28.1    6.8   289   33.8 
2025-11-30 00:00 UT   14 25 29.2   -14 27 24     4.742    3.908   28.9    7.0   289   33.8 
2025-12-01 00:00 UT   14 26 28.2   -14 32 08     4.733    3.906   29.7    7.2   289   33.8 
2025-12-02 00:00 UT   14 27 27.0   -14 36 50     4.723    3.905   30.4    7.3   288   33.8 
2025-12-03 00:00 UT   14 28 25.7   -14 41 30     4.714    3.904   31.2    7.5   288   33.8 
2025-12-04 00:00 UT   14 29 24.2   -14 46 09     4.704    3.902   32.0    7.7   288   33.8 
2025-12-05 00:00 UT   14 30 22.5   -14 50 45     4.694    3.901   32.7    7.8   288   33.8 
2025-12-06 00:00 UT   14 31 20.7   -14 55 19     4.683    3.900   33.5    8.0   288   33.8 
2025-12-07 00:00 UT   14 32 18.7   -14 59 52     4.673    3.898   34.3    8.2   288   33.8 
2025-12-08 00:00 UT   14 33 16.5   -15 04 22     4.662    3.897   35.0    8.3   288   33.8 
2025-12-09 00:00 UT   14 34 14.1   -15 08 51     4.651    3.895   35.8    8.5   288   33.8 
2025-12-10 00:00 UT   14 35 11.6   -15 13 17     4.640    3.894   36.6    8.7   288   33.8 
2025-12-11 00:00 UT   14 36 08.8   -15 17 41     4.629    3.892   37.4    8.8   288   33.8 
2025-12-12 00:00 UT   14 37 05.8   -15 22 03     4.618    3.891   38.1    9.0   288   33.8 
2025-12-13 00:00 UT   14 38 02.6   -15 26 23     4.606    3.890   38.9    9.1   288   33.8 
2025-12-14 00:00 UT   14 38 59.2   -15 30 41     4.595    3.888   39.7    9.3   288   33.8 
2025-12-15 00:00 UT   14 39 55.5   -15 34 57     4.583    3.887   40.5    9.5   288   33.8 
2025-12-16 00:00 UT   14 40 51.6   -15 39 10     4.571    3.885   41.2    9.6   288   33.8 

    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.