2020 RN1
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	12 Mar 2026	31.1	3.770 AU	2.962 AU	13h56m	-13°42'	139.1°	9.9°

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
2026-03-12 00:00 UT   13 56 48.3   -13 42 33     2.962    3.770  139.1    9.9   292   31.1 
2026-03-12 18:12 UT   13 56 22.2   -13 40 47     2.955    3.770  139.9    9.8   292   31.1 
2026-03-13 00:00 UT   13 56 13.7   -13 40 12     2.952    3.770  140.2    9.7   292   31.1 
2026-03-14 00:00 UT   13 55 38.1   -13 37 45     2.943    3.771  141.4    9.5   292   31.1 
2026-03-15 00:00 UT   13 55 01.4   -13 35 11     2.933    3.771  142.5    9.2   293   31.0 
2026-03-16 00:00 UT   13 54 23.7   -13 32 31     2.924    3.771  143.7    9.0   293   31.0 
2026-03-17 00:00 UT   13 53 44.9   -13 29 45     2.915    3.772  144.8    8.7   293   31.0 
2026-03-18 00:00 UT   13 53 05.2   -13 26 53     2.906    3.772  146.0    8.5   293   31.0 
2026-03-19 00:00 UT   13 52 24.6   -13 23 55     2.898    3.773  147.1    8.2   293   31.0 
2026-03-20 00:00 UT   13 51 43.0   -13 20 50     2.889    3.773  148.3    8.0   293   30.9 
2026-03-21 00:00 UT   13 51 00.4   -13 17 40     2.881    3.773  149.5    7.7   294   30.9 
2026-03-22 00:00 UT   13 50 17.0   -13 14 25     2.874    3.774  150.7    7.4   294   30.9 
2026-03-23 00:00 UT   13 49 32.8   -13 11 03     2.866    3.774  151.8    7.2   294   30.9 
2026-03-24 00:00 UT   13 48 47.7   -13 07 36     2.859    3.774  153.0    6.9   294   30.9 
2026-03-25 00:00 UT   13 48 01.8   -13 04 03     2.852    3.775  154.2    6.6   295   30.9 
2026-03-26 00:00 UT   13 47 15.1   -13 00 26     2.845    3.775  155.4    6.3   295   30.8 
2026-03-27 00:00 UT   13 46 27.8   -12 56 43     2.839    3.775  156.6    6.0   295   30.8 
2026-03-28 00:00 UT   13 45 39.7   -12 52 55     2.833    3.776  157.8    5.7   295   30.8 
2026-03-29 00:00 UT   13 44 50.9   -12 49 02     2.827    3.776  158.9    5.4   296   30.8 
2026-03-30 00:00 UT   13 44 01.6   -12 45 04     2.822    3.776  160.1    5.2   296   30.8 
2026-03-31 00:00 UT   13 43 11.6   -12 41 02     2.817    3.776  161.3    4.9   297   30.7 
2026-04-01 00:00 UT   13 42 21.0   -12 36 55     2.812    3.777  162.5    4.6   297   30.7 
2026-04-02 00:00 UT   13 41 30.0   -12 32 44     2.807    3.777  163.7    4.3   298   30.7 
2026-04-03 00:00 UT   13 40 38.4   -12 28 28     2.803    3.777  164.9    3.9   298   30.7 
2026-04-04 00:00 UT   13 39 46.4   -12 24 09     2.799    3.777  166.1    3.6   299   30.7 
2026-04-05 00:00 UT   13 38 54.0   -12 19 46     2.795    3.778  167.3    3.3   300   30.6 
2026-04-06 00:00 UT   13 38 01.1   -12 15 19     2.792    3.778  168.5    3.0   301   30.6 
2026-04-07 00:00 UT   13 37 08.0   -12 10 49     2.789    3.778  169.7    2.7   302   30.6 
2026-04-08 00:00 UT   13 36 14.5   -12 06 16     2.786    3.778  170.9    2.4   304   30.6 
2026-04-09 00:00 UT   13 35 20.7   -12 01 39     2.784    3.778  172.1    2.1   305   30.6 
2026-04-10 00:00 UT   13 34 26.8   -11 56 60     2.782    3.778  173.2    1.8   308   30.5 
2026-04-11 00:00 UT   13 33 32.6   -11 52 17     2.780    3.778  174.4    1.5   312   30.5 

    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.