2020 RD5
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	4 Apr 2026	29.0	2.655 AU	2.243 AU	18h02m	-14°46'	103.1°	21.5°

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
2026-04-04 00:00 UT   18 02 31.9   -14 46 04     2.243    2.655  103.1   21.5   268   29.0 
2026-04-04 00:52 UT   18 02 32.4   -14 45 56     2.243    2.655  103.1   21.5   268   29.0 
2026-04-05 00:00 UT   18 02 43.6   -14 42 24     2.231    2.657  104.0   21.4   268   29.0 
2026-04-06 00:00 UT   18 02 53.7   -14 38 43     2.219    2.659  104.9   21.3   267   29.0 
2026-04-07 00:00 UT   18 03 02.2   -14 34 60     2.207    2.661  105.9   21.2   267   29.0 
2026-04-08 00:00 UT   18 03 09.0   -14 31 16     2.194    2.663  106.8   21.1   267   29.0 
2026-04-09 00:00 UT   18 03 14.2   -14 27 31     2.182    2.664  107.8   21.0   267   29.0 
2026-04-10 00:00 UT   18 03 17.6   -14 23 45     2.170    2.666  108.7   20.8   267   28.9 
2026-04-11 00:00 UT   18 03 19.4   -14 19 58     2.158    2.668  109.7   20.7   266   28.9 
2026-04-12 00:00 UT   18 03 19.5   -14 16 09     2.146    2.670  110.6   20.6   266   28.9 
2026-04-13 00:00 UT   18 03 17.8   -14 12 20     2.134    2.671  111.6   20.4   266   28.9 
2026-04-14 00:00 UT   18 03 14.3   -14 08 31     2.123    2.673  112.6   20.3   266   28.9 
2026-04-15 00:00 UT   18 03 09.1   -14 04 40     2.111    2.675  113.6   20.1   266   28.9 
2026-04-16 00:00 UT   18 03 02.1   -14 00 49     2.099    2.677  114.6   19.9   265   28.8 
2026-04-17 00:00 UT   18 02 53.3   -13 56 57     2.088    2.678  115.5   19.8   265   28.8 
2026-04-18 00:00 UT   18 02 42.7   -13 53 05     2.076    2.680  116.5   19.6   265   28.8 
2026-04-19 00:00 UT   18 02 30.3   -13 49 12     2.065    2.681  117.5   19.4   265   28.8 
2026-04-20 00:00 UT   18 02 16.0   -13 45 19     2.054    2.683  118.6   19.2   264   28.8 
2026-04-21 00:00 UT   18 01 59.9   -13 41 26     2.042    2.685  119.6   19.0   264   28.8 
2026-04-22 00:00 UT   18 01 42.0   -13 37 33     2.031    2.686  120.6   18.8   264   28.7 
2026-04-23 00:00 UT   18 01 22.2   -13 33 40     2.020    2.688  121.6   18.6   264   28.7 
2026-04-24 00:00 UT   18 01 00.6   -13 29 47     2.010    2.689  122.7   18.4   263   28.7 
2026-04-25 00:00 UT   18 00 37.1   -13 25 54     1.999    2.690  123.7   18.1   263   28.7 
2026-04-26 00:00 UT   18 00 11.7   -13 22 01     1.988    2.692  124.7   17.9   263   28.7 
2026-04-27 00:00 UT   17 59 44.5   -13 18 09     1.978    2.693  125.8   17.6   263   28.7 
2026-04-28 00:00 UT   17 59 15.5   -13 14 17     1.968    2.695  126.9   17.4   262   28.6 
2026-04-29 00:00 UT   17 58 44.5   -13 10 25     1.958    2.696  127.9   17.1   262   28.6 
2026-04-30 00:00 UT   17 58 11.7   -13 06 34     1.948    2.697  129.0   16.9   262   28.6 
2026-05-01 00:00 UT   17 57 37.1   -13 02 44     1.938    2.699  130.1   16.6   261   28.6 
2026-05-02 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 

    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.