(33) Polyhymnia
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	14 Sep 2026	15.0	3.818 AU	4.811 AU	10h56m	+07°32'	8.5°	2.2°
Opposition	21 Mar 2027	13.6	3.779 AU	2.783 AU	12h02m	+00°03'	179.5°	0.1°

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 Polyhymnia are:

            e (Eccentricity)                : 0.3344915
            a (Semimajor axis)              : 2.8713350
            i (Inclination)                 : 1.85420
            Ω (Longitude of ascending node) : 8.12700
            ω (Argument of perihelion)      : 338.81363
            M (Mean anomaly)                : 147.60944
            Epoch                           : 2026 Jun 09

            L (Longitude of perihelion)     : -13.04926
            B (Latitude of perihelion)      : -0.67001
            P (Orbital period in years)     : 4.87            
        

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
2026-09-14 00:00 UT   10 56 10.8   +07 32 33     4.811    3.818    8.5    2.2   297   15.0 
2026-09-14 16:54 UT   10 56 55.8   +07 27 51     4.809    3.819    8.9    2.3   297   15.0 
2026-09-15 00:00 UT   10 57 14.6   +07 25 52     4.809    3.819    9.1    2.4   297   15.0 
2026-09-16 00:00 UT   10 58 18.4   +07 19 11     4.806    3.819    9.8    2.6   297   15.1 
2026-09-17 00:00 UT   10 59 22.0   +07 12 29     4.804    3.820   10.5    2.8   296   15.1 
2026-09-18 00:00 UT   11 00 25.5   +07 05 48     4.801    3.820   11.2    2.9   296   15.1 
2026-09-19 00:00 UT   11 01 29.0   +06 59 07     4.798    3.820   11.9    3.1   296   15.1 
2026-09-20 00:00 UT   11 02 32.3   +06 52 26     4.795    3.821   12.6    3.3   296   15.1 
2026-09-21 00:00 UT   11 03 35.5   +06 45 45     4.792    3.821   13.3    3.5   296   15.1 
2026-09-22 00:00 UT   11 04 38.6   +06 39 04     4.788    3.822   14.0    3.6   295   15.1 
2026-09-23 00:00 UT   11 05 41.6   +06 32 23     4.784    3.822   14.7    3.8   295   15.1 
2026-09-24 00:00 UT   11 06 44.4   +06 25 43     4.781    3.822   15.4    4.0   295   15.1 
2026-09-25 00:00 UT   11 07 47.2   +06 19 03     4.776    3.823   16.1    4.2   295   15.1 
2026-09-26 00:00 UT   11 08 49.8   +06 12 23     4.772    3.823   16.8    4.3   295   15.2 
2026-09-27 00:00 UT   11 09 52.2   +06 05 44     4.768    3.823   17.5    4.5   295   15.2 
2026-09-28 00:00 UT   11 10 54.6   +05 59 05     4.763    3.824   18.2    4.7   295   15.2 
2026-09-29 00:00 UT   11 11 56.8   +05 52 26     4.758    3.824   18.9    4.9   295   15.2 
2026-09-30 00:00 UT   11 12 58.8   +05 45 48     4.753    3.824   19.6    5.0   295   15.2 
2026-10-01 00:00 UT   11 14 00.7   +05 39 10     4.748    3.825   20.3    5.2   295   15.2 
2026-10-02 00:00 UT   11 15 02.5   +05 32 33     4.743    3.825   21.0    5.4   295   15.2 
2026-10-03 00:00 UT   11 16 04.1   +05 25 56     4.737    3.825   21.7    5.5   295   15.2 
2026-10-04 00:00 UT   11 17 05.6   +05 19 20     4.732    3.826   22.4    5.7   295   15.2 
2026-10-05 00:00 UT   11 18 06.9   +05 12 45     4.726    3.826   23.1    5.9   295   15.2 
2026-10-06 00:00 UT   11 19 08.0   +05 06 10     4.720    3.826   23.8    6.1   295   15.2 
2026-10-07 00:00 UT   11 20 09.0   +04 59 36     4.714    3.826   24.5    6.2   294   15.2 
2026-10-08 00:00 UT   11 21 09.8   +04 53 02     4.707    3.827   25.2    6.4   294   15.2 
2026-10-09 00:00 UT   11 22 10.4   +04 46 30     4.700    3.827   25.9    6.6   294   15.2 
2026-10-10 00:00 UT   11 23 10.8   +04 39 58     4.694    3.827   26.6    6.7   294   15.2 
2026-10-11 00:00 UT   11 24 11.0   +04 33 27     4.687    3.827   27.4    6.9   294   15.2 
2026-10-12 00:00 UT   11 25 11.0   +04 26 58     4.680    3.828   28.1    7.0   294   15.2 
2026-10-13 00:00 UT   11 26 10.9   +04 20 29     4.672    3.828   28.8    7.2   294   15.3 
2026-10-14 00:00 UT   11 27 10.5   +04 14 01     4.665    3.828   29.5    7.4   294   15.3 

    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.