(230) Athamantis |
ephemeris |
date |
magn |
radius |
delta |
ra |
dec |
elong |
phase |
Today | 6 May 2025 | 11.8 | 2.430 AU | 1.796 AU | 19h14m | -16°32' | 117.3° | 21.6° |
Opposition | 2 Jul 2025 | 10.5 | 2.392 AU | 1.386 AU | 18h46m | -12°04' | 169.0° | 4.6° |
(230) Athamantis - 2025-05-06
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 Athamantis are:
e (Eccentricity) : 0.0611874
a (Semimajor axis) : 2.3825833
i (Inclination) : 9.45497
Ω (Longitude of ascending node) : 239.77081
ω (Argument of perihelion) : 139.09055
M (Mean anomaly) : 254.03342
Epoch : 2025 May 05
L (Longitude of perihelion) : 199.24883
B (Latitude of perihelion) : 6.17562
P (Orbital period in years) : 3.68
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
2025-05-06 00:00 UT 19 14 30.7 -16 32 22 1.796 2.430 117.3 21.6 260 11.8
2025-05-06 10:05 UT 19 14 38.2 -16 29 54 1.791 2.430 117.7 21.6 260 11.8
2025-05-07 00:00 UT 19 14 48.0 -16 26 31 1.784 2.429 118.2 21.5 260 11.7
2025-05-08 00:00 UT 19 15 03.7 -16 20 40 1.773 2.429 119.1 21.3 259 11.7
2025-05-09 00:00 UT 19 15 17.7 -16 14 50 1.761 2.428 120.0 21.1 259 11.7
2025-05-10 00:00 UT 19 15 30.1 -16 09 01 1.750 2.428 120.8 20.9 259 11.7
2025-05-11 00:00 UT 19 15 40.7 -16 03 12 1.739 2.427 121.7 20.7 259 11.7
2025-05-12 00:00 UT 19 15 49.6 -15 57 24 1.727 2.426 122.6 20.5 258 11.6
2025-05-13 00:00 UT 19 15 56.7 -15 51 37 1.716 2.426 123.6 20.3 258 11.6
2025-05-14 00:00 UT 19 16 02.1 -15 45 50 1.705 2.425 124.5 20.1 258 11.6
2025-05-15 00:00 UT 19 16 05.8 -15 40 05 1.695 2.424 125.4 19.9 258 11.6
2025-05-16 00:00 UT 19 16 07.7 -15 34 21 1.684 2.424 126.3 19.6 258 11.6
2025-05-17 00:00 UT 19 16 07.8 -15 28 39 1.673 2.423 127.2 19.4 257 11.5
2025-05-18 00:00 UT 19 16 06.2 -15 22 58 1.663 2.422 128.2 19.2 257 11.5
2025-05-19 00:00 UT 19 16 02.7 -15 17 18 1.653 2.422 129.1 18.9 257 11.5
2025-05-20 00:00 UT 19 15 57.4 -15 11 40 1.643 2.421 130.1 18.6 257 11.5
2025-05-21 00:00 UT 19 15 50.4 -15 06 04 1.633 2.420 131.0 18.4 256 11.4
2025-05-22 00:00 UT 19 15 41.5 -15 00 30 1.623 2.420 132.0 18.1 256 11.4
2025-05-23 00:00 UT 19 15 30.8 -14 54 58 1.613 2.419 133.0 17.8 256 11.4
2025-05-24 00:00 UT 19 15 18.3 -14 49 28 1.603 2.419 133.9 17.5 255 11.4
2025-05-25 00:00 UT 19 15 03.9 -14 44 01 1.594 2.418 134.9 17.3 255 11.3
2025-05-26 00:00 UT 19 14 47.8 -14 38 36 1.585 2.417 135.9 17.0 255 11.3
2025-05-27 00:00 UT 19 14 29.8 -14 33 13 1.576 2.417 136.9 16.7 254 11.3
2025-05-28 00:00 UT 19 14 10.1 -14 27 54 1.567 2.416 137.9 16.3 254 11.3
2025-05-29 00:00 UT 19 13 48.6 -14 22 37 1.558 2.415 138.9 16.0 254 11.3
2025-05-30 00:00 UT 19 13 25.3 -14 17 24 1.549 2.415 139.9 15.7 253 11.2
2025-05-31 00:00 UT 19 13 00.2 -14 12 13 1.541 2.414 140.9 15.4 253 11.2
2025-06-01 00:00 UT 19 12 33.4 -14 07 06 1.533 2.413 141.9 15.0 252 11.2
2025-06-02 00:00 UT 19 12 04.9 -14 02 02 1.525 2.413 142.9 14.7 252 11.2
2025-06-03 00:00 UT 19 11 34.8 -13 57 02 1.517 2.412 143.9 14.3 251 11.1
2025-06-04 00:00 UT 19 11 02.9 -13 52 05 1.509 2.411 145.0 14.0 251 11.1
2025-06-05 00:00 UT 19 10 29.4 -13 47 12 1.502 2.411 146.0 13.6 250 11.1
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.