2020 RD5
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	13 Jul 2026	28.5	2.730 AU	1.894 AU	16h35m	-10°53'	137.3°	14.6°

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 RD5 are:

            e (Eccentricity)                : 0.5933097
            a (Semimajor axis)              : 1.7158656
            i (Inclination)                 : 7.60870
            Ω (Longitude of ascending node) : 174.89856
            ω (Argument of perihelion)      : 265.75080
            M (Mean anomaly)                : 85.40460
            Epoch                           : 2025 Nov 21

            L (Longitude of perihelion)     : 260.61176
            B (Latitude of perihelion)      : -7.58766
            P (Orbital period in years)     : 2.25            
        

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
2026-07-13 00:00 UT   16 35 03.5   -10 53 36     1.894    2.730  137.3   14.6   111   28.5 
2026-07-13 22:48 UT   16 34 18.5   -10 55 05     1.903    2.730  136.3   14.9   110   28.5 
2026-07-14 00:00 UT   16 34 16.2   -10 55 10     1.903    2.730  136.2   14.9   110   28.5 
2026-07-15 00:00 UT   16 33 30.7   -10 56 49     1.913    2.729  135.1   15.2   110   28.5 
2026-07-16 00:00 UT   16 32 46.9   -10 58 34     1.922    2.729  134.1   15.5   109   28.6 
2026-07-17 00:00 UT   16 32 04.8   -11 00 24     1.932    2.728  133.0   15.8   109   28.6 
2026-07-18 00:00 UT   16 31 24.6   -11 02 20     1.942    2.728  131.9   16.1   109   28.6 
2026-07-19 00:00 UT   16 30 46.1   -11 04 21     1.952    2.727  130.8   16.4   108   28.6 
2026-07-20 00:00 UT   16 30 09.5   -11 06 28     1.962    2.726  129.8   16.6   108   28.6 
2026-07-21 00:00 UT   16 29 34.6   -11 08 39     1.972    2.726  128.7   16.9   108   28.7 
2026-07-22 00:00 UT   16 29 01.5   -11 10 56     1.983    2.725  127.7   17.2   107   28.7 
2026-07-23 00:00 UT   16 28 30.2   -11 13 17     1.993    2.725  126.7   17.4   107   28.7 
2026-07-24 00:00 UT   16 28 00.8   -11 15 43     2.004    2.724  125.6   17.6   107   28.7 
2026-07-25 00:00 UT   16 27 33.0   -11 18 14     2.015    2.723  124.6   17.9   106   28.7 
2026-07-26 00:00 UT   16 27 07.1   -11 20 49     2.026    2.722  123.6   18.1   106   28.7 
2026-07-27 00:00 UT   16 26 43.0   -11 23 29     2.037    2.722  122.5   18.3   106   28.8 
2026-07-28 00:00 UT   16 26 20.6   -11 26 14     2.048    2.721  121.5   18.5   106   28.8 
2026-07-29 00:00 UT   16 25 59.9   -11 29 02     2.060    2.720  120.5   18.8   105   28.8 
2026-07-30 00:00 UT   16 25 41.0   -11 31 55     2.071    2.719  119.5   19.0   105   28.8 
2026-07-31 00:00 UT   16 25 23.9   -11 34 52     2.083    2.718  118.5   19.1   105   28.8 
2026-08-01 00:00 UT   16 25 08.4   -11 37 53     2.095    2.718  117.6   19.3   105   28.9 
2026-08-02 00:00 UT   16 24 54.7   -11 40 57     2.107    2.717  116.6   19.5   104   28.9 
2026-08-03 00:00 UT   16 24 42.7   -11 44 05     2.118    2.716  115.6   19.7   104   28.9 
2026-08-04 00:00 UT   16 24 32.4   -11 47 17     2.130    2.715  114.6   19.9   104   28.9 
2026-08-05 00:00 UT   16 24 23.7   -11 50 33     2.143    2.714  113.7   20.0   104   28.9 
2026-08-06 00:00 UT   16 24 16.7   -11 53 52     2.155    2.713  112.7   20.2   103   28.9 
2026-08-07 00:00 UT   16 24 11.4   -11 57 14     2.167    2.712  111.8   20.3   103   29.0 
2026-08-08 00:00 UT   16 24 07.7   -12 00 40     2.179    2.711  110.8   20.5   103   29.0 
2026-08-09 00:00 UT   16 24 05.7   -12 04 09     2.192    2.710  109.9   20.6   103   29.0 
2026-08-10 00:00 UT   16 24 05.3   -12 07 41     2.204    2.709  109.0   20.7   103   29.0 
2026-08-11 00:00 UT   16 24 06.5   -12 11 15     2.217    2.708  108.0   20.9   102   29.0 
2026-08-12 00:00 UT   16 24 09.3   -12 14 53     2.229    2.706  107.1   21.0   102   29.0 

    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.