2020 RN1
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	11 May 2026	30.9	3.776 AU	2.872 AU	13h08m	-09°30'	149.4°	7.8°

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
2026-05-11 00:00 UT   13 08 21.5   -09 30 34     2.872    3.776  149.4    7.8   109   30.9 
2026-05-11 19:23 UT   13 07 48.5   -09 27 14     2.878    3.776  148.4    8.1   109   30.9 
2026-05-12 00:00 UT   13 07 40.7   -09 26 27     2.880    3.776  148.2    8.1   109   30.9 
2026-05-13 00:00 UT   13 07 00.8   -09 22 25     2.888    3.776  147.1    8.4   109   31.0 
2026-05-14 00:00 UT   13 06 21.9   -09 18 27     2.896    3.775  145.9    8.6   109   31.0 
2026-05-15 00:00 UT   13 05 43.9   -09 14 34     2.904    3.775  144.8    8.9   109   31.0 
2026-05-16 00:00 UT   13 05 06.8   -09 10 46     2.912    3.775  143.7    9.1   110   31.0 
2026-05-17 00:00 UT   13 04 30.8   -09 07 03     2.921    3.774  142.5    9.4   110   31.0 
2026-05-18 00:00 UT   13 03 55.8   -09 03 25     2.930    3.774  141.4    9.6   110   31.1 
2026-05-19 00:00 UT   13 03 21.8   -08 59 53     2.940    3.774  140.3    9.9   110   31.1 
2026-05-20 00:00 UT   13 02 48.8   -08 56 26     2.949    3.773  139.2   10.1   110   31.1 
2026-05-21 00:00 UT   13 02 16.9   -08 53 05     2.959    3.773  138.1   10.3   110   31.1 
2026-05-22 00:00 UT   13 01 46.0   -08 49 50     2.969    3.773  137.0   10.5   110   31.1 
2026-05-23 00:00 UT   13 01 16.2   -08 46 40     2.979    3.772  135.9   10.8   110   31.1 
2026-05-24 00:00 UT   13 00 47.5   -08 43 37     2.989    3.772  134.8   11.0   111   31.1 
2026-05-25 00:00 UT   13 00 19.9   -08 40 39     3.000    3.771  133.7   11.2   111   31.2 
2026-05-26 00:00 UT   12 59 53.3   -08 37 48     3.010    3.771  132.7   11.4   111   31.2 
2026-05-27 00:00 UT   12 59 27.9   -08 35 03     3.021    3.771  131.6   11.6   111   31.2 
2026-05-28 00:00 UT   12 59 03.5   -08 32 24     3.032    3.770  130.5   11.8   111   31.2 
2026-05-29 00:00 UT   12 58 40.3   -08 29 51     3.044    3.770  129.5   12.0   111   31.2 
2026-05-30 00:00 UT   12 58 18.1   -08 27 24     3.055    3.769  128.4   12.2   111   31.2 
2026-05-31 00:00 UT   12 57 57.1   -08 25 04     3.067    3.769  127.3   12.3   111   31.3 
2026-06-01 00:00 UT   12 57 37.1   -08 22 50     3.078    3.768  126.3   12.5   111   31.3 
2026-06-02 00:00 UT   12 57 18.3   -08 20 43     3.090    3.768  125.3   12.7   111   31.3 
2026-06-03 00:00 UT   12 57 00.6   -08 18 42     3.102    3.767  124.2   12.9   111   31.3 
2026-06-04 00:00 UT   12 56 44.0   -08 16 47     3.114    3.767  123.2   13.0   111   31.3 
2026-06-05 00:00 UT   12 56 28.4   -08 14 59     3.127    3.766  122.2   13.2   111   31.3 
2026-06-06 00:00 UT   12 56 14.0   -08 13 18     3.139    3.765  121.1   13.3   111   31.3 
2026-06-07 00:00 UT   12 56 00.7   -08 11 43     3.152    3.765  120.1   13.5   112   31.4 
2026-06-08 00:00 UT   12 55 48.5   -08 10 15     3.165    3.764  119.1   13.6   112   31.4 
2026-06-09 00:00 UT   12 55 37.4   -08 08 53     3.178    3.764  118.1   13.8   112   31.4 
2026-06-10 00:00 UT   12 55 27.3   -08 07 37     3.191    3.763  117.1   13.9   112   31.4 

    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.