(33) Polyhymnia |
ephemeris |
date |
magn |
radius |
delta |
ra |
dec |
elong |
phase |
Today | 13 Jul 2025 | 14.1 | 3.031 AU | 4.044 AU | 07h12m | +23°47' | 4.3° | 1.4° |
Opposition | 3 Feb 2026 | 13.4 | 3.557 AU | 2.571 AU | 09h12m | +18°18' | 177.8° | 0.6° |
(33) Polyhymnia - 2025-07-13
astro.vanbuitenen.nl
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) : 0.3322897
a (Semimajor axis) : 2.8752868
i (Inclination) : 1.85104
Ω (Longitude of ascending node) : 8.36127
ω (Argument of perihelion) : 338.75874
M (Mean anomaly) : 66.64571
Epoch : 2025 May 05
L (Longitude of perihelion) : -12.86989
B (Latitude of perihelion) : -0.67052
P (Orbital period in years) : 4.88
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.
A more printer-friendly version of the same chart can be found below.
Ephemerides:
Date Time RA (2000) DEC (2000) delta radius elong phase PA magn
2025-07-13 00:00 UT 07 12 16.5 +23 47 15 4.044 3.031 4.3 1.4 296 14.1
2025-07-13 11:42 UT 07 13 03.0 +23 45 56 4.045 3.033 4.5 1.5 295 14.1
2025-07-14 00:00 UT 07 13 51.8 +23 44 32 4.046 3.034 4.8 1.6 294 14.1
2025-07-15 00:00 UT 07 15 26.9 +23 41 45 4.048 3.037 5.4 1.8 292 14.2
2025-07-16 00:00 UT 07 17 01.7 +23 38 56 4.049 3.040 6.0 2.0 291 14.2
2025-07-17 00:00 UT 07 18 36.3 +23 36 03 4.051 3.044 6.5 2.2 290 14.2
2025-07-18 00:00 UT 07 20 10.6 +23 33 08 4.052 3.047 7.1 2.4 289 14.2
2025-07-19 00:00 UT 07 21 44.7 +23 30 09 4.054 3.050 7.7 2.6 288 14.2
2025-07-20 00:00 UT 07 23 18.5 +23 27 08 4.055 3.053 8.3 2.7 288 14.2
2025-07-21 00:00 UT 07 24 52.1 +23 24 04 4.056 3.056 8.9 2.9 287 14.2
2025-07-22 00:00 UT 07 26 25.5 +23 20 58 4.057 3.059 9.4 3.1 287 14.3
2025-07-23 00:00 UT 07 27 58.5 +23 17 48 4.057 3.062 10.0 3.3 286 14.3
2025-07-24 00:00 UT 07 29 31.3 +23 14 36 4.058 3.065 10.6 3.5 286 14.3
2025-07-25 00:00 UT 07 31 03.8 +23 11 21 4.058 3.068 11.2 3.7 286 14.3
2025-07-26 00:00 UT 07 32 36.0 +23 08 04 4.059 3.072 11.8 3.9 286 14.3
2025-07-27 00:00 UT 07 34 08.0 +23 04 44 4.059 3.075 12.4 4.1 285 14.3
2025-07-28 00:00 UT 07 35 39.6 +23 01 22 4.059 3.078 13.0 4.3 285 14.3
2025-07-29 00:00 UT 07 37 11.0 +22 57 57 4.058 3.081 13.6 4.4 285 14.4
2025-07-30 00:00 UT 07 38 42.0 +22 54 30 4.058 3.084 14.2 4.6 285 14.4
2025-07-31 00:00 UT 07 40 12.8 +22 51 00 4.057 3.087 14.8 4.8 285 14.4
2025-08-01 00:00 UT 07 41 43.2 +22 47 28 4.057 3.090 15.4 5.0 285 14.4
2025-08-02 00:00 UT 07 43 13.4 +22 43 54 4.056 3.093 16.0 5.2 285 14.4
2025-08-03 00:00 UT 07 44 43.2 +22 40 18 4.055 3.096 16.6 5.4 285 14.4
2025-08-04 00:00 UT 07 46 12.7 +22 36 39 4.054 3.099 17.2 5.6 285 14.4
2025-08-05 00:00 UT 07 47 41.9 +22 32 58 4.052 3.102 17.8 5.7 285 14.4
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.