(31) Euphrosyne |
ephemeris |
date |
magn |
radius |
delta |
ra |
dec |
elong |
phase |
Today | 15 Jul 2025 | 13.0 | 3.637 AU | 3.251 AU | 14h01m | -25°00' | 104.3° | 15.7° |
Opposition | 25 Jun 2026 | 12.6 | 3.841 AU | 2.941 AU | 18h26m | -55°13' | 148.1° | 8.0° |
(31) Euphrosyne - 2025-07-15
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 Euphrosyne are:
e (Eccentricity) : 0.2159829
a (Semimajor axis) : 3.1610744
i (Inclination) : 26.31587
Ω (Longitude of ascending node) : 30.80053
ω (Argument of perihelion) : 61.92662
M (Mean anomaly) : 112.87325
Epoch : 2025 May 05
L (Longitude of perihelion) : 90.04708
B (Latitude of perihelion) : 23.02676
P (Orbital period in years) : 5.62
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
2025-07-15 00:00 UT 14 01 38.6 -25 00 09 3.251 3.637 104.3 15.7 107 13.0
2025-07-15 21:04 UT 14 01 50.6 -25 01 34 3.264 3.638 103.5 15.8 108 13.1
2025-07-16 00:00 UT 14 01 52.3 -25 01 46 3.266 3.638 103.4 15.8 108 13.1
2025-07-17 00:00 UT 14 02 07.1 -25 03 26 3.282 3.640 102.5 15.8 108 13.1
2025-07-18 00:00 UT 14 02 22.9 -25 05 11 3.297 3.641 101.6 15.9 108 13.1
2025-07-19 00:00 UT 14 02 39.8 -25 06 60 3.313 3.642 100.8 15.9 108 13.1
2025-07-20 00:00 UT 14 02 57.8 -25 08 53 3.328 3.643 99.9 15.9 108 13.1
2025-07-21 00:00 UT 14 03 16.8 -25 10 50 3.344 3.645 99.1 16.0 109 13.1
2025-07-22 00:00 UT 14 03 36.8 -25 12 52 3.359 3.646 98.2 16.0 109 13.1
2025-07-23 00:00 UT 14 03 57.8 -25 14 57 3.375 3.647 97.4 16.0 109 13.1
2025-07-24 00:00 UT 14 04 19.8 -25 17 07 3.391 3.649 96.5 16.1 109 13.2
2025-07-25 00:00 UT 14 04 42.8 -25 19 21 3.407 3.650 95.7 16.1 109 13.2
2025-07-26 00:00 UT 14 05 06.8 -25 21 39 3.422 3.651 94.8 16.1 109 13.2
2025-07-27 00:00 UT 14 05 31.8 -25 24 01 3.438 3.652 94.0 16.1 109 13.2
2025-07-28 00:00 UT 14 05 57.7 -25 26 27 3.454 3.654 93.2 16.1 110 13.2
2025-07-29 00:00 UT 14 06 24.6 -25 28 57 3.470 3.655 92.4 16.1 110 13.2
2025-07-30 00:00 UT 14 06 52.4 -25 31 31 3.485 3.656 91.5 16.1 110 13.2
2025-07-31 00:00 UT 14 07 21.2 -25 34 09 3.501 3.657 90.7 16.1 110 13.2
2025-08-01 00:00 UT 14 07 50.8 -25 36 51 3.517 3.659 89.9 16.1 110 13.2
2025-08-02 00:00 UT 14 08 21.4 -25 39 36 3.533 3.660 89.1 16.1 110 13.2
2025-08-03 00:00 UT 14 08 52.8 -25 42 26 3.548 3.661 88.3 16.1 110 13.3
2025-08-04 00:00 UT 14 09 25.1 -25 45 19 3.564 3.662 87.5 16.1 111 13.3
2025-08-05 00:00 UT 14 09 58.3 -25 48 16 3.580 3.664 86.7 16.0 111 13.3
2025-08-06 00:00 UT 14 10 32.3 -25 51 17 3.595 3.665 85.9 16.0 111 13.3
2025-08-07 00:00 UT 14 11 07.1 -25 54 21 3.611 3.666 85.1 16.0 111 13.3
2025-08-08 00:00 UT 14 11 42.8 -25 57 29 3.627 3.667 84.3 16.0 111 13.3
2025-08-09 00:00 UT 14 12 19.3 -26 00 40 3.642 3.668 83.5 15.9 111 13.3
2025-08-10 00:00 UT 14 12 56.6 -26 03 55 3.658 3.670 82.7 15.9 111 13.3
2025-08-11 00:00 UT 14 13 34.7 -26 07 14 3.674 3.671 81.9 15.9 112 13.3
2025-08-12 00:00 UT 14 14 13.6 -26 10 35 3.689 3.672 81.1 15.8 112 13.3
2025-08-13 00:00 UT 14 14 53.3 -26 14 00 3.705 3.673 80.4 15.8 112 13.3
2025-08-14 00:00 UT 14 15 33.7 -26 17 29 3.720 3.674 79.6 15.7 112 13.4
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.