2020 RD5
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	29 Sep 2026	29.5	2.624 AU	2.825 AU	16h52m	-15°30'	68.2°	20.8°

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)                : 0.5932119
            a (Semimajor axis)              : 1.7160154
            i (Inclination)                 : 7.60829
            Ω (Longitude of ascending node) : 174.88991
            ω (Argument of perihelion)      : 265.76641
            M (Mean anomaly)                : 173.09061
            Epoch                           : 2026 Jun 09

            L (Longitude of perihelion)     : 260.61886
            B (Latitude of perihelion)      : -7.58741
            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
2026-09-29 00:00 UT   16 52 12.7   -15 30 40     2.825    2.624   68.2   20.8    94   29.5 
2026-09-29 13:16 UT   16 52 46.4   -15 32 50     2.832    2.623   67.8   20.7    94   29.5 
2026-09-30 00:00 UT   16 53 13.9   -15 34 35     2.836    2.622   67.5   20.7    94   29.5 
2026-10-01 00:00 UT   16 54 15.9   -15 38 29     2.847    2.620   66.8   20.6    94   29.5 
2026-10-02 00:00 UT   16 55 18.7   -15 42 21     2.858    2.617   66.1   20.5    93   29.5 
2026-10-03 00:00 UT   16 56 22.4   -15 46 11     2.869    2.615   65.3   20.4    93   29.5 
2026-10-04 00:00 UT   16 57 26.9   -15 49 60     2.880    2.612   64.6   20.2    93   29.5 
2026-10-05 00:00 UT   16 58 32.2   -15 53 46     2.890    2.610   63.9   20.1    93   29.5 
2026-10-06 00:00 UT   16 59 38.4   -15 57 31     2.901    2.608   63.2   20.0    93   29.5 
2026-10-07 00:00 UT   17 00 45.3   -16 01 13     2.911    2.605   62.5   19.9    92   29.5 
2026-10-08 00:00 UT   17 01 53.0   -16 04 54     2.921    2.603   61.8   19.8    92   29.5 
2026-10-09 00:00 UT   17 03 01.5   -16 08 32     2.931    2.600   61.1   19.7    92   29.5 
2026-10-10 00:00 UT   17 04 10.8   -16 12 08     2.941    2.597   60.4   19.5    92   29.5 
2026-10-11 00:00 UT   17 05 20.8   -16 15 41     2.951    2.595   59.7   19.4    92   29.5 
2026-10-12 00:00 UT   17 06 31.6   -16 19 12     2.961    2.592   59.0   19.3    91   29.5 
2026-10-13 00:00 UT   17 07 43.2   -16 22 41     2.971    2.590   58.3   19.1    91   29.5 
2026-10-14 00:00 UT   17 08 55.4   -16 26 07     2.980    2.587   57.6   19.0    91   29.5 
2026-10-15 00:00 UT   17 10 08.4   -16 29 30     2.990    2.584   56.9   18.9    91   29.5 
2026-10-16 00:00 UT   17 11 22.1   -16 32 51     2.999    2.582   56.2   18.7    91   29.5 
2026-10-17 00:00 UT   17 12 36.5   -16 36 09     3.008    2.579   55.6   18.6    90   29.5 
2026-10-18 00:00 UT   17 13 51.6   -16 39 25     3.017    2.576   54.9   18.4    90   29.5 
2026-10-19 00:00 UT   17 15 07.4   -16 42 37     3.026    2.573   54.2   18.3    90   29.5 
2026-10-20 00:00 UT   17 16 23.8   -16 45 47     3.035    2.570   53.5   18.2    90   29.5 
2026-10-21 00:00 UT   17 17 40.9   -16 48 53     3.043    2.568   52.8   18.0    89   29.5 
2026-10-22 00:00 UT   17 18 58.7   -16 51 57     3.052    2.565   52.2   17.8    89   29.5 
2026-10-23 00:00 UT   17 20 17.1   -16 54 57     3.060    2.562   51.5   17.7    89   29.5 
2026-10-24 00:00 UT   17 21 36.2   -16 57 55     3.069    2.559   50.8   17.5    89   29.5 
2026-10-25 00:00 UT   17 22 55.9   -17 00 49     3.077    2.556   50.1   17.4    89   29.5 
2026-10-26 00:00 UT   17 24 16.2   -17 03 40     3.085    2.553   49.5   17.2    88   29.5 
2026-10-27 00:00 UT   17 25 37.1   -17 06 28     3.092    2.550   48.8   17.1    88   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.