(100) Hekate |
ephemeris |
date |
magn |
radius |
delta |
ra |
dec |
elong |
phase |
Today | 14 Jul 2025 | 13.1 | 2.907 AU | 2.548 AU | 14h08m | -05°27' | 100.3° | 20.1° |
Opposition | 22 Aug 2026 | 11.0 | 2.590 AU | 1.580 AU | 22h10m | -15°29' | 176.0° | 1.5° |
(100) Hekate - 2025-07-14
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 Hekate are:
e (Eccentricity) : 0.1679921
a (Semimajor axis) : 3.0900434
i (Inclination) : 6.43074
Ω (Longitude of ascending node) : 127.15988
ω (Argument of perihelion) : 183.60213
M (Mean anomaly) : 286.91274
Epoch : 2025 May 05
L (Longitude of perihelion) : 130.73940
B (Latitude of perihelion) : -0.40318
P (Orbital period in years) : 5.43
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
2025-07-14 00:00 UT 14 08 41.6 -05 27 45 2.548 2.907 100.3 20.1 111 13.1
2025-07-14 22:02 UT 14 09 07.1 -05 32 32 2.558 2.906 99.6 20.2 111 13.1
2025-07-15 00:00 UT 14 09 09.5 -05 32 58 2.559 2.906 99.5 20.2 111 13.1
2025-07-16 00:00 UT 14 09 38.5 -05 38 16 2.571 2.904 98.7 20.2 111 13.1
2025-07-17 00:00 UT 14 10 08.6 -05 43 39 2.582 2.902 97.9 20.3 111 13.1
2025-07-18 00:00 UT 14 10 39.8 -05 49 06 2.594 2.901 97.1 20.3 111 13.1
2025-07-19 00:00 UT 14 11 12.0 -05 54 38 2.605 2.899 96.3 20.4 110 13.2
2025-07-20 00:00 UT 14 11 45.4 -06 00 15 2.617 2.898 95.6 20.4 110 13.2
2025-07-21 00:00 UT 14 12 19.8 -06 05 56 2.629 2.896 94.8 20.5 110 13.2
2025-07-22 00:00 UT 14 12 55.3 -06 11 41 2.640 2.894 94.0 20.5 110 13.2
2025-07-23 00:00 UT 14 13 31.8 -06 17 31 2.652 2.893 93.2 20.5 110 13.2
2025-07-24 00:00 UT 14 14 09.4 -06 23 24 2.664 2.891 92.5 20.6 110 13.2
2025-07-25 00:00 UT 14 14 47.9 -06 29 21 2.675 2.889 91.7 20.6 110 13.2
2025-07-26 00:00 UT 14 15 27.6 -06 35 23 2.687 2.888 90.9 20.6 110 13.2
2025-07-27 00:00 UT 14 16 08.2 -06 41 27 2.699 2.886 90.2 20.6 109 13.2
2025-07-28 00:00 UT 14 16 49.8 -06 47 36 2.710 2.885 89.4 20.6 109 13.2
2025-07-29 00:00 UT 14 17 32.4 -06 53 48 2.722 2.883 88.7 20.6 109 13.2
2025-07-30 00:00 UT 14 18 15.9 -07 00 04 2.734 2.881 87.9 20.6 109 13.3
2025-07-31 00:00 UT 14 19 00.5 -07 06 22 2.745 2.880 87.2 20.6 109 13.3
2025-08-01 00:00 UT 14 19 45.9 -07 12 44 2.757 2.878 86.4 20.6 109 13.3
2025-08-02 00:00 UT 14 20 32.4 -07 19 09 2.769 2.877 85.7 20.6 109 13.3
2025-08-03 00:00 UT 14 21 19.7 -07 25 37 2.780 2.875 85.0 20.6 108 13.3
2025-08-04 00:00 UT 14 22 08.0 -07 32 07 2.792 2.873 84.2 20.6 108 13.3
2025-08-05 00:00 UT 14 22 57.1 -07 38 41 2.803 2.872 83.5 20.5 108 13.3
2025-08-06 00:00 UT 14 23 47.2 -07 45 17 2.815 2.870 82.8 20.5 108 13.3
2025-08-07 00:00 UT 14 24 38.1 -07 51 56 2.827 2.868 82.1 20.5 108 13.3
2025-08-08 00:00 UT 14 25 30.0 -07 58 37 2.838 2.867 81.4 20.5 108 13.3
2025-08-09 00:00 UT 14 26 22.7 -08 05 20 2.850 2.865 80.7 20.4 108 13.3
2025-08-10 00:00 UT 14 27 16.2 -08 12 06 2.861 2.864 79.9 20.4 108 13.3
2025-08-11 00:00 UT 14 28 10.6 -08 18 53 2.873 2.862 79.2 20.4 107 13.3
2025-08-12 00:00 UT 14 29 05.8 -08 25 43 2.884 2.861 78.5 20.3 107 13.3
2025-08-13 00:00 UT 14 30 01.9 -08 32 35 2.895 2.859 77.8 20.3 107 13.3
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.