2020 RD5
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	18 Feb 2026	29.4	2.542 AU	2.775 AU	17h30m	-16°50'	66.2°	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)                : 0.5933097
            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
2026-02-18 00:00 UT   17 30 41.2   -16 50 11     2.775    2.542   66.2   20.8   276   29.4 
2026-02-18 15:57 UT   17 31 25.5   -16 49 09     2.768    2.544   66.7   20.9   276   29.4 
2026-02-19 00:00 UT   17 31 47.7   -16 48 37     2.765    2.545   66.9   20.9   276   29.4 
2026-02-20 00:00 UT   17 32 53.3   -16 46 58     2.754    2.548   67.7   21.0   275   29.4 
2026-02-21 00:00 UT   17 33 57.9   -16 45 15     2.744    2.551   68.4   21.1   275   29.4 
2026-02-22 00:00 UT   17 35 01.7   -16 43 29     2.733    2.554   69.2   21.2   275   29.4 
2026-02-23 00:00 UT   17 36 04.5   -16 41 38     2.722    2.557   69.9   21.3   275   29.4 
2026-02-24 00:00 UT   17 37 06.4   -16 39 44     2.711    2.560   70.7   21.4   275   29.4 
2026-02-25 00:00 UT   17 38 07.4   -16 37 46     2.700    2.563   71.4   21.5   274   29.3 
2026-02-26 00:00 UT   17 39 07.4   -16 35 45     2.689    2.566   72.2   21.6   274   29.3 
2026-02-27 00:00 UT   17 40 06.4   -16 33 40     2.678    2.569   73.0   21.6   274   29.3 
2026-02-28 00:00 UT   17 41 04.4   -16 31 32     2.667    2.572   73.7   21.7   274   29.3 
2026-03-01 00:00 UT   17 42 01.4   -16 29 20     2.656    2.575   74.5   21.8   274   29.3 
2026-03-02 00:00 UT   17 42 57.5   -16 27 04     2.644    2.577   75.3   21.8   274   29.3 
2026-03-03 00:00 UT   17 43 52.5   -16 24 45     2.633    2.580   76.1   21.9   273   29.3 
2026-03-04 00:00 UT   17 44 46.4   -16 22 23     2.621    2.583   76.8   21.9   273   29.3 
2026-03-05 00:00 UT   17 45 39.3   -16 19 57     2.610    2.586   77.6   22.0   273   29.3 
2026-03-06 00:00 UT   17 46 31.2   -16 17 29     2.598    2.588   78.4   22.1   273   29.3 
2026-03-07 00:00 UT   17 47 22.0   -16 14 57     2.586    2.591   79.2   22.1   273   29.3 
2026-03-08 00:00 UT   17 48 11.6   -16 12 21     2.575    2.594   80.0   22.1   272   29.3 
2026-03-09 00:00 UT   17 49 00.2   -16 09 43     2.563    2.596   80.8   22.2   272   29.3 
2026-03-10 00:00 UT   17 49 47.6   -16 07 02     2.551    2.599   81.6   22.2   272   29.3 
2026-03-11 00:00 UT   17 50 33.9   -16 04 17     2.539    2.601   82.4   22.2   272   29.3 
2026-03-12 00:00 UT   17 51 18.9   -16 01 30     2.527    2.604   83.2   22.3   272   29.3 
2026-03-13 00:00 UT   17 52 02.9   -15 58 40     2.515    2.606   84.0   22.3   272   29.3 
2026-03-14 00:00 UT   17 52 45.6   -15 55 47     2.503    2.609   84.8   22.3   271   29.2 
2026-03-15 00:00 UT   17 53 27.0   -15 52 51     2.491    2.611   85.7   22.3   271   29.2 
2026-03-16 00:00 UT   17 54 07.3   -15 49 52     2.478    2.614   86.5   22.3   271   29.2 
2026-03-17 00:00 UT   17 54 46.2   -15 46 51     2.466    2.616   87.3   22.3   271   29.2 
2026-03-18 00:00 UT   17 55 23.9   -15 43 47     2.454    2.618   88.2   22.3   271   29.2 
2026-03-19 00:00 UT   17 56 00.3   -15 40 40     2.442    2.621   89.0   22.3   271   29.2 
2026-03-20 00:00 UT   17 56 35.4   -15 37 31     2.429    2.623   89.9   22.3   270   29.2 

    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.