2020 RD5
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	25 Aug 2026	29.2	2.690 AU	2.396 AU	16h27m	-13°05'	95.6°	22.0°

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
2026-08-25 00:00 UT   16 27 03.0   -13 05 25     2.396    2.690   95.6   22.0   100   29.2 
2026-08-25 04:02 UT   16 27 06.8   -13 06 06     2.398    2.689   95.5   22.0   100   29.2 
2026-08-26 00:00 UT   16 27 26.3   -13 09 30     2.409    2.688   94.8   22.0   100   29.2 
2026-08-27 00:00 UT   16 27 50.9   -13 13 36     2.421    2.687   93.9   22.0   100   29.2 
2026-08-28 00:00 UT   16 28 16.8   -13 17 44     2.434    2.685   93.1   22.1    99   29.2 
2026-08-29 00:00 UT   16 28 44.1   -13 21 52     2.447    2.684   92.2   22.1    99   29.3 
2026-08-30 00:00 UT   16 29 12.6   -13 26 01     2.460    2.682   91.4   22.1    99   29.3 
2026-08-31 00:00 UT   16 29 42.4   -13 30 11     2.473    2.681   90.6   22.1    99   29.3 
2026-09-01 00:00 UT   16 30 13.4   -13 34 22     2.486    2.679   89.8   22.1    99   29.3 
2026-09-02 00:00 UT   16 30 45.7   -13 38 34     2.499    2.677   88.9   22.1    99   29.3 
2026-09-03 00:00 UT   16 31 19.1   -13 42 46     2.511    2.676   88.1   22.1    98   29.3 
2026-09-04 00:00 UT   16 31 53.8   -13 46 58     2.524    2.674   87.3   22.1    98   29.3 
2026-09-05 00:00 UT   16 32 29.7   -13 51 11     2.537    2.672   86.5   22.1    98   29.3 
2026-09-06 00:00 UT   16 33 06.7   -13 55 24     2.550    2.671   85.7   22.1    98   29.3 
2026-09-07 00:00 UT   16 33 44.9   -13 59 38     2.562    2.669   84.9   22.1    98   29.3 
2026-09-08 00:00 UT   16 34 24.3   -14 03 52     2.575    2.667   84.1   22.1    98   29.3 
2026-09-09 00:00 UT   16 35 04.8   -14 08 05     2.587    2.665   83.3   22.0    97   29.4 
2026-09-10 00:00 UT   16 35 46.4   -14 12 19     2.600    2.663   82.5   22.0    97   29.4 
2026-09-11 00:00 UT   16 36 29.2   -14 16 33     2.612    2.662   81.8   22.0    97   29.4 
2026-09-12 00:00 UT   16 37 13.0   -14 20 46     2.625    2.660   81.0   21.9    97   29.4 
2026-09-13 00:00 UT   16 37 57.9   -14 24 59     2.637    2.658   80.2   21.9    97   29.4 
2026-09-14 00:00 UT   16 38 43.9   -14 29 11     2.649    2.656   79.4   21.9    97   29.4 
2026-09-15 00:00 UT   16 39 30.9   -14 33 24     2.662    2.654   78.7   21.8    96   29.4 
2026-09-16 00:00 UT   16 40 19.0   -14 37 35     2.674    2.652   77.9   21.8    96   29.4 
2026-09-17 00:00 UT   16 41 08.1   -14 41 46     2.686    2.650   77.1   21.7    96   29.4 
2026-09-18 00:00 UT   16 41 58.2   -14 45 56     2.698    2.648   76.4   21.6    96   29.4 
2026-09-19 00:00 UT   16 42 49.3   -14 50 05     2.710    2.646   75.6   21.6    96   29.4 
2026-09-20 00:00 UT   16 43 41.4   -14 54 14     2.722    2.644   74.9   21.5    96   29.4 
2026-09-21 00:00 UT   16 44 34.4   -14 58 21     2.734    2.642   74.1   21.4    95   29.4 
2026-09-22 00:00 UT   16 45 28.4   -15 02 28     2.745    2.640   73.4   21.4    95   29.4 
2026-09-23 00:00 UT   16 46 23.3   -15 06 33     2.757    2.637   72.6   21.3    95   29.4 
2026-09-24 00:00 UT   16 47 19.2   -15 10 37     2.769    2.635   71.9   21.2    95   29.5 

    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.