2020 RN1
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	20 Aug 2026	31.9	3.688 AU	4.153 AU	13h22m	-10°34'	56.3°	13.2°

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 2020 RN1 are:

            e (Eccentricity)                : 0.5855265
            a (Semimajor axis)              : 2.3833665
            i (Inclination)                 : 3.40867
            Ω (Longitude of ascending node) : 359.59859
            ω (Argument of perihelion)      : 25.83129
            M (Mean anomaly)                : 139.82797
            Epoch                           : 2025 Nov 21

            L (Longitude of perihelion)     : 25.39011
            B (Latitude of perihelion)      : 1.48453
            P (Orbital period in years)     : 3.68            
        

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
2026-08-20 00:00 UT   13 22 00.3   -10 34 34     4.153    3.688   56.3   13.2   113   31.9 
2026-08-20 01:15 UT   13 22 02.8   -10 34 48     4.153    3.688   56.2   13.2   113   31.9 
2026-08-21 00:00 UT   13 22 47.5   -10 39 06     4.164    3.687   55.5   13.1   113   31.9 
2026-08-22 00:00 UT   13 23 35.1   -10 43 41     4.175    3.685   54.8   13.0   113   31.9 
2026-08-23 00:00 UT   13 24 23.2   -10 48 18     4.186    3.684   54.0   12.8   113   31.9 
2026-08-24 00:00 UT   13 25 11.8   -10 52 58     4.197    3.682   53.3   12.7   113   31.9 
2026-08-25 00:00 UT   13 26 00.8   -10 57 40     4.207    3.680   52.5   12.6   113   31.9 
2026-08-26 00:00 UT   13 26 50.3   -11 02 25     4.218    3.679   51.8   12.5   113   31.9 
2026-08-27 00:00 UT   13 27 40.3   -11 07 12     4.228    3.677   51.0   12.3   113   31.9 
2026-08-28 00:00 UT   13 28 30.7   -11 12 01     4.238    3.676   50.3   12.2   113   31.9 
2026-08-29 00:00 UT   13 29 21.5   -11 16 52     4.248    3.674   49.5   12.1   113   31.9 
2026-08-30 00:00 UT   13 30 12.8   -11 21 46     4.258    3.672   48.8   11.9   113   31.9 
2026-08-31 00:00 UT   13 31 04.6   -11 26 42     4.268    3.671   48.1   11.8   113   31.9 
2026-09-01 00:00 UT   13 31 56.8   -11 31 40     4.278    3.669   47.3   11.7   113   31.9 
2026-09-02 00:00 UT   13 32 49.4   -11 36 39     4.287    3.668   46.6   11.5   113   31.9 
2026-09-03 00:00 UT   13 33 42.4   -11 41 41     4.297    3.666   45.8   11.4   113   31.9 
2026-09-04 00:00 UT   13 34 35.8   -11 46 45     4.306    3.664   45.1   11.2   113   31.9 
2026-09-05 00:00 UT   13 35 29.7   -11 51 51     4.315    3.663   44.4   11.1   113   31.9 
2026-09-06 00:00 UT   13 36 23.9   -11 56 59     4.324    3.661   43.6   11.0   113   31.9 
2026-09-07 00:00 UT   13 37 18.6   -12 02 08     4.332    3.659   42.9   10.8   113   31.9 
2026-09-08 00:00 UT   13 38 13.7   -12 07 19     4.341    3.657   42.2   10.7   113   31.9 
2026-09-09 00:00 UT   13 39 09.2   -12 12 32     4.349    3.656   41.5   10.5   113   31.9 
2026-09-10 00:00 UT   13 40 05.0   -12 17 47     4.358    3.654   40.7   10.4   113   31.9 
2026-09-11 00:00 UT   13 41 01.3   -12 23 03     4.366    3.652   40.0   10.2   113   31.9 
2026-09-12 00:00 UT   13 41 57.9   -12 28 21     4.373    3.650   39.3   10.1   113   31.9 
2026-09-13 00:00 UT   13 42 54.9   -12 33 40     4.381    3.649   38.6    9.9   113   31.9 
2026-09-14 00:00 UT   13 43 52.3   -12 39 01     4.389    3.647   37.8    9.7   113   31.9 
2026-09-15 00:00 UT   13 44 50.0   -12 44 23     4.396    3.645   37.1    9.6   113   31.9 
2026-09-16 00:00 UT   13 45 48.1   -12 49 46     4.403    3.643   36.4    9.4   113   31.8 
2026-09-17 00:00 UT   13 46 46.5   -12 55 11     4.410    3.641   35.7    9.3   113   31.8 
2026-09-18 00:00 UT   13 47 45.3   -13 00 37     4.417    3.639   35.0    9.1   113   31.8 
2026-09-19 00:00 UT   13 48 44.4   -13 06 04     4.424    3.638   34.2    8.9   113   31.8 

    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.