(532) Herculina |
ephemeris |
date |
magn |
radius |
delta |
ra |
dec |
elong |
phase |
Today | 11 May 2025 | 11.4 | 2.899 AU | 2.693 AU | 21h29m | -18°26' | 91.4° | 20.4° |
Opposition | 6 Aug 2025 | 10.2 | 3.038 AU | 2.036 AU | 21h19m | -27°16' | 168.9° | 3.7° |
(532) Herculina - 2025-05-11
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 Herculina are:
e (Eccentricity) : 0.1800323
a (Semimajor axis) : 2.7704091
i (Inclination) : 16.29901
Ω (Longitude of ascending node) : 107.41084
ω (Argument of perihelion) : 76.68607
M (Mean anomaly) : 93.72416
Epoch : 2025 May 05
L (Longitude of perihelion) : 183.56048
B (Latitude of perihelion) : 15.84924
P (Orbital period in years) : 4.61
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
2025-05-11 00:00 UT 21 29 29.7 -18 26 56 2.693 2.899 91.4 20.4 252 11.4
2025-05-11 15:56 UT 21 30 00.6 -18 27 38 2.685 2.900 91.9 20.4 252 11.4
2025-05-12 00:00 UT 21 30 16.1 -18 27 60 2.681 2.901 92.2 20.4 252 11.4
2025-05-13 00:00 UT 21 31 01.5 -18 29 10 2.669 2.903 93.0 20.3 252 11.4
2025-05-14 00:00 UT 21 31 45.9 -18 30 28 2.657 2.904 93.8 20.3 252 11.4
2025-05-15 00:00 UT 21 32 29.3 -18 31 52 2.645 2.906 94.6 20.3 252 11.4
2025-05-16 00:00 UT 21 33 11.7 -18 33 23 2.633 2.908 95.4 20.3 252 11.3
2025-05-17 00:00 UT 21 33 53.0 -18 35 00 2.621 2.910 96.2 20.2 252 11.3
2025-05-18 00:00 UT 21 34 33.3 -18 36 46 2.609 2.911 97.0 20.2 252 11.3
2025-05-19 00:00 UT 21 35 12.5 -18 38 38 2.597 2.913 97.9 20.1 252 11.3
2025-05-20 00:00 UT 21 35 50.6 -18 40 38 2.585 2.915 98.7 20.1 252 11.3
2025-05-21 00:00 UT 21 36 27.6 -18 42 45 2.573 2.916 99.5 20.0 252 11.3
2025-05-22 00:00 UT 21 37 03.5 -18 44 60 2.561 2.918 100.4 20.0 252 11.3
2025-05-23 00:00 UT 21 37 38.3 -18 47 23 2.549 2.920 101.2 19.9 252 11.3
2025-05-24 00:00 UT 21 38 11.9 -18 49 53 2.537 2.921 102.0 19.8 252 11.3
2025-05-25 00:00 UT 21 38 44.4 -18 52 31 2.525 2.923 102.9 19.7 252 11.3
2025-05-26 00:00 UT 21 39 15.7 -18 55 18 2.513 2.925 103.8 19.7 252 11.2
2025-05-27 00:00 UT 21 39 45.8 -18 58 12 2.502 2.926 104.6 19.6 252 11.2
2025-05-28 00:00 UT 21 40 14.8 -19 01 15 2.490 2.928 105.5 19.5 252 11.2
2025-05-29 00:00 UT 21 40 42.5 -19 04 26 2.478 2.930 106.3 19.4 252 11.2
2025-05-30 00:00 UT 21 41 09.0 -19 07 45 2.467 2.931 107.2 19.3 252 11.2
2025-05-31 00:00 UT 21 41 34.3 -19 11 13 2.455 2.933 108.1 19.2 252 11.2
2025-06-01 00:00 UT 21 41 58.3 -19 14 49 2.444 2.935 109.0 19.1 253 11.2
2025-06-02 00:00 UT 21 42 21.1 -19 18 33 2.433 2.936 109.9 19.0 253 11.2
2025-06-03 00:00 UT 21 42 42.7 -19 22 26 2.421 2.938 110.8 18.8 253 11.1
2025-06-04 00:00 UT 21 43 02.9 -19 26 28 2.410 2.940 111.7 18.7 253 11.1
2025-06-05 00:00 UT 21 43 21.9 -19 30 38 2.399 2.941 112.6 18.6 253 11.1
2025-06-06 00:00 UT 21 43 39.6 -19 34 57 2.388 2.943 113.5 18.4 253 11.1
2025-06-07 00:00 UT 21 43 56.0 -19 39 24 2.377 2.945 114.4 18.3 253 11.1
2025-06-08 00:00 UT 21 44 11.1 -19 44 00 2.366 2.946 115.3 18.1 253 11.1
2025-06-09 00:00 UT 21 44 24.8 -19 48 45 2.355 2.948 116.2 18.0 254 11.1
2025-06-10 00:00 UT 21 44 37.3 -19 53 38 2.345 2.950 117.1 17.8 254 11.0
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.