2020 RD5
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	1 May 2026	28.6	2.699 AU	1.938 AU	17h57m	-13°02'	130.1°	16.6°

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
2026-05-01 00:00 UT   17 57 37.1   -13 02 44     1.938    2.699  130.1   16.6   261   28.6 
2026-05-01 09:04 UT   17 57 23.5   -13 01 17     1.934    2.699  130.5   16.5   261   28.6 
2026-05-02 00:00 UT   17 57 00.6   -12 58 54     1.928    2.700  131.1   16.3   261   28.6 
2026-05-03 00:00 UT   17 56 22.3   -12 55 05     1.919    2.701  132.2   16.0   261   28.5 
2026-05-04 00:00 UT   17 55 42.1   -12 51 18     1.909    2.702  133.3   15.7   260   28.5 
2026-05-05 00:00 UT   17 55 00.0   -12 47 31     1.900    2.704  134.4   15.5   260   28.5 
2026-05-06 00:00 UT   17 54 16.2   -12 43 45     1.891    2.705  135.5   15.1   259   28.5 
2026-05-07 00:00 UT   17 53 30.5   -12 40 01     1.883    2.706  136.6   14.8   259   28.5 
2026-05-08 00:00 UT   17 52 43.1   -12 36 17     1.874    2.707  137.7   14.5   259   28.4 
2026-05-09 00:00 UT   17 51 53.8   -12 32 36     1.866    2.708  138.8   14.2   258   28.4 
2026-05-10 00:00 UT   17 51 02.8   -12 28 56     1.857    2.709  139.9   13.9   258   28.4 
2026-05-11 00:00 UT   17 50 10.1   -12 25 17     1.850    2.710  141.1   13.5   257   28.4 
2026-05-12 00:00 UT   17 49 15.6   -12 21 40     1.842    2.711  142.2   13.2   257   28.4 
2026-05-13 00:00 UT   17 48 19.4   -12 18 06     1.834    2.712  143.3   12.9   256   28.3 
2026-05-14 00:00 UT   17 47 21.5   -12 14 33     1.827    2.713  144.4   12.5   255   28.3 
2026-05-15 00:00 UT   17 46 22.0   -12 11 02     1.820    2.714  145.6   12.2   255   28.3 
2026-05-16 00:00 UT   17 45 21.0   -12 07 34     1.813    2.715  146.7   11.8   254   28.3 
2026-05-17 00:00 UT   17 44 18.3   -12 04 08     1.807    2.716  147.8   11.4   253   28.3 
2026-05-18 00:00 UT   17 43 14.1   -12 00 45     1.800    2.717  148.9   11.1   252   28.2 
2026-05-19 00:00 UT   17 42 08.5   -11 57 24     1.794    2.718  150.1   10.7   251   28.2 
2026-05-20 00:00 UT   17 41 01.4   -11 54 07     1.788    2.719  151.2   10.3   250   28.2 
2026-05-21 00:00 UT   17 39 52.9   -11 50 52     1.783    2.720  152.3   10.0   249   28.2 
2026-05-22 00:00 UT   17 38 43.1   -11 47 40     1.777    2.721  153.4    9.6   248   28.2 
2026-05-23 00:00 UT   17 37 32.1   -11 44 31     1.772    2.721  154.5    9.2   247   28.1 
2026-05-24 00:00 UT   17 36 19.8   -11 41 26     1.768    2.722  155.6    8.8   245   28.1 
2026-05-25 00:00 UT   17 35 06.4   -11 38 24     1.763    2.723  156.7    8.5   244   28.1 
2026-05-26 00:00 UT   17 33 51.8   -11 35 26     1.759    2.724  157.8    8.1   242   28.1 
2026-05-27 00:00 UT   17 32 36.2   -11 32 31     1.755    2.724  158.8    7.7   240   28.0 
2026-05-28 00:00 UT   17 31 19.7   -11 29 40     1.751    2.725  159.8    7.4   238   28.0 
2026-05-29 00:00 UT   17 30 02.2   -11 26 52     1.748    2.726  160.8    7.0   236   28.0 
2026-05-30 00:00 UT   17 28 43.9   -11 24 09     1.745    2.726  161.8    6.7   234   28.0 
2026-05-31 00:00 UT   17 27 24.8   -11 21 30     1.742    2.727  162.8    6.3   231   28.0 

    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.