(200) Dynamene
ephemeris date magn radius delta ra dec elong phase
Today21 May 202613.92.643 AU3.073 AU07h50m+22°03'56.0°18.5°
Opposition8 Apr 202712.73.028 AU2.034 AU12h53m-14°48'171.7°2.7°
(200) Dynamene - 2026-05-21
astro.vanbuitenen.nl


 
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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 Dynamene are:

            e (Eccentricity)                : 0.1335988
            a (Semimajor axis)              : 2.7380249
            i (Inclination)                 : 6.90031
            Ω (Longitude of ascending node) : 324.22250
            ω (Argument of perihelion)      : 87.21612
            M (Mean anomaly)                : 28.22713
            Epoch                           : 2025 Nov 21

            L (Longitude of perihelion)     : 51.41834
            B (Latitude of perihelion)      : 6.89213
            P (Orbital period in years)     : 4.53            
        

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
2026-05-21 00:00 UT   07 50 56.1   +22 03 52     3.073    2.643   56.0   18.5   100   13.9 
2026-05-21 04:11 UT   07 51 12.3   +22 02 53     3.076    2.644   55.8   18.5   100   13.9 
2026-05-22 00:00 UT   07 52 29.2   +21 58 08     3.086    2.645   55.4   18.4   100   13.9 
2026-05-23 00:00 UT   07 54 02.4   +21 52 20     3.098    2.646   54.8   18.2   100   14.0 
2026-05-24 00:00 UT   07 55 35.8   +21 46 30     3.110    2.647   54.2   18.1   100   14.0 
2026-05-25 00:00 UT   07 57 09.4   +21 40 36     3.121    2.649   53.6   17.9   101   14.0 
2026-05-26 00:00 UT   07 58 43.2   +21 34 38     3.133    2.650   53.0   17.8   101   14.0 
2026-05-27 00:00 UT   08 00 17.2   +21 28 38     3.145    2.652   52.4   17.6   101   14.0 
2026-05-28 00:00 UT   08 01 51.3   +21 22 34     3.157    2.653   51.8   17.5   101   14.0 
2026-05-29 00:00 UT   08 03 25.6   +21 16 27     3.168    2.654   51.3   17.3   101   14.0 
2026-05-30 00:00 UT   08 04 60.0   +21 10 17     3.180    2.656   50.7   17.2   101   14.0 
2026-05-31 00:00 UT   08 06 34.5   +21 04 04     3.191    2.657   50.1   17.0   101   14.0 
2026-06-01 00:00 UT   08 08 09.2   +20 57 47     3.202    2.659   49.5   16.9   102   14.0 
2026-06-02 00:00 UT   08 09 44.0   +20 51 27     3.214    2.660   49.0   16.7   102   14.0 
2026-06-03 00:00 UT   08 11 19.0   +20 45 04     3.225    2.661   48.4   16.6   102   14.0 
2026-06-04 00:00 UT   08 12 54.0   +20 38 38     3.236    2.663   47.8   16.4   102   14.0 
2026-06-05 00:00 UT   08 14 29.2   +20 32 08     3.247    2.664   47.2   16.2   102   14.0 
2026-06-06 00:00 UT   08 16 04.4   +20 25 35     3.258    2.666   46.7   16.1   102   14.0 
2026-06-07 00:00 UT   08 17 39.8   +20 18 59     3.269    2.667   46.1   15.9   102   14.0 
2026-06-08 00:00 UT   08 19 15.3   +20 12 20     3.279    2.668   45.5   15.7   103   14.0 
2026-06-09 00:00 UT   08 20 50.8   +20 05 37     3.290    2.670   45.0   15.6   103   14.0 
2026-06-10 00:00 UT   08 22 26.4   +19 58 51     3.300    2.671   44.4   15.4   103   14.0 
2026-06-11 00:00 UT   08 24 02.2   +19 52 02     3.311    2.673   43.8   15.3   103   14.0 
2026-06-12 00:00 UT   08 25 38.0   +19 45 09     3.321    2.674   43.3   15.1   103   14.0 


    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.