2020 RN1
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	17 Sep 2026	31.8	3.641 AU	4.410 AU	13h46m	-12°55'	35.7°	9.3°

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)                : 0.5853921
            a (Semimajor axis)              : 2.3835462
            i (Inclination)                 : 3.40819
            Ω (Longitude of ascending node) : 359.59545
            ω (Argument of perihelion)      : 25.82969
            M (Mean anomaly)                : 193.41653
            Epoch                           : 2026 Jun 09

            L (Longitude of perihelion)     : 25.38539
            B (Latitude of perihelion)      : 1.48423
            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
2026-09-17 00:00 UT   13 46 47.1   -12 55 14     4.410    3.641   35.7    9.3   113   31.8 
2026-09-17 03:46 UT   13 46 56.3   -12 56 05     4.411    3.641   35.6    9.2   113   31.8 
2026-09-18 00:00 UT   13 47 45.9   -13 00 40     4.417    3.639   35.0    9.1   113   31.8 
2026-09-19 00:00 UT   13 48 45.0   -13 06 07     4.424    3.637   34.2    8.9   113   31.8 
2026-09-20 00:00 UT   13 49 44.5   -13 11 35     4.430    3.636   33.5    8.8   113   31.8 
2026-09-21 00:00 UT   13 50 44.3   -13 17 05     4.437    3.634   32.8    8.6   113   31.8 
2026-09-22 00:00 UT   13 51 44.4   -13 22 35     4.443    3.632   32.1    8.4   113   31.8 
2026-09-23 00:00 UT   13 52 44.8   -13 28 06     4.449    3.630   31.4    8.3   113   31.8 
2026-09-24 00:00 UT   13 53 45.6   -13 33 39     4.455    3.628   30.7    8.1   113   31.8 
2026-09-25 00:00 UT   13 54 46.7   -13 39 12     4.460    3.626   29.9    7.9   114   31.8 
2026-09-26 00:00 UT   13 55 48.1   -13 44 46     4.466    3.624   29.2    7.8   114   31.8 
2026-09-27 00:00 UT   13 56 49.8   -13 50 21     4.471    3.622   28.5    7.6   114   31.8 
2026-09-28 00:00 UT   13 57 51.8   -13 55 57     4.476    3.620   27.8    7.4   114   31.8 
2026-09-29 00:00 UT   13 58 54.1   -14 01 33     4.481    3.618   27.1    7.2   114   31.8 
2026-09-30 00:00 UT   13 59 56.7   -14 07 10     4.486    3.616   26.4    7.1   114   31.8 
2026-10-01 00:00 UT   14 00 59.5   -14 12 48     4.490    3.614   25.7    6.9   114   31.8 
2026-10-02 00:00 UT   14 02 02.7   -14 18 26     4.495    3.612   25.0    6.7   114   31.8 
2026-10-03 00:00 UT   14 03 06.2   -14 24 05     4.499    3.610   24.3    6.5   114   31.7 
2026-10-04 00:00 UT   14 04 10.0   -14 29 45     4.503    3.608   23.6    6.4   114   31.7 
2026-10-05 00:00 UT   14 05 14.0   -14 35 25     4.507    3.606   22.8    6.2   114   31.7 
2026-10-06 00:00 UT   14 06 18.3   -14 41 06     4.510    3.604   22.1    6.0   114   31.7 
2026-10-07 00:00 UT   14 07 22.9   -14 46 47     4.514    3.602   21.4    5.8   114   31.7 
2026-10-08 00:00 UT   14 08 27.8   -14 52 28     4.517    3.599   20.7    5.6   114   31.7 
2026-10-09 00:00 UT   14 09 32.9   -14 58 10     4.520    3.597   20.0    5.5   115   31.7 
2026-10-10 00:00 UT   14 10 38.3   -15 03 52     4.523    3.595   19.3    5.3   115   31.7 
2026-10-11 00:00 UT   14 11 43.9   -15 09 35     4.525    3.593   18.6    5.1   115   31.7 
2026-10-12 00:00 UT   14 12 49.8   -15 15 17     4.528    3.591   17.9    4.9   115   31.7 
2026-10-13 00:00 UT   14 13 56.0   -15 20 60     4.530    3.589   17.2    4.7   115   31.7 
2026-10-14 00:00 UT   14 15 02.4   -15 26 43     4.532    3.587   16.5    4.5   115   31.7 
2026-10-15 00:00 UT   14 16 09.0   -15 32 26     4.534    3.584   15.8    4.3   116   31.6 
2026-10-16 00:00 UT   14 17 15.9   -15 38 09     4.535    3.582   15.1    4.2   116   31.6 
2026-10-17 00:00 UT   14 18 23.0   -15 43 51     4.537    3.580   14.4    4.0   116   31.6 

    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.