(230) Athamantis |
ephemeris |
date |
magn |
radius |
delta |
ra |
dec |
elong |
phase |
Today | 29 May 2025 | 11.3 | 2.415 AU | 1.558 AU | 19h13m | -14°22' | 138.9° | 16.0° |
Opposition | 2 Jul 2025 | 10.5 | 2.392 AU | 1.386 AU | 18h46m | -12°04' | 169.0° | 4.6° |
(230) Athamantis - 2025-05-29
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
2025-05-29 00:00 UT 19 13 48.6 -14 22 37 1.558 2.415 138.9 16.0 254 11.3
2025-05-29 01:27 UT 19 13 47.2 -14 22 18 1.557 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
2025-06-06 00:00 UT 19 09 54.3 -13 42 22 1.495 2.410 147.0 13.3 249 11.1
2025-06-07 00:00 UT 19 09 17.6 -13 37 37 1.488 2.409 148.0 12.9 249 11.0
2025-06-08 00:00 UT 19 08 39.3 -13 32 56 1.481 2.409 149.1 12.5 248 11.0
2025-06-09 00:00 UT 19 07 59.6 -13 28 18 1.474 2.408 150.1 12.1 247 11.0
2025-06-10 00:00 UT 19 07 18.3 -13 23 45 1.468 2.407 151.1 11.8 246 11.0
2025-06-11 00:00 UT 19 06 35.6 -13 19 17 1.462 2.407 152.1 11.4 246 10.9
2025-06-12 00:00 UT 19 05 51.4 -13 14 53 1.456 2.406 153.2 11.0 245 10.9
2025-06-13 00:00 UT 19 05 05.9 -13 10 33 1.450 2.405 154.2 10.6 244 10.9
2025-06-14 00:00 UT 19 04 19.0 -13 06 19 1.445 2.405 155.2 10.2 242 10.9
2025-06-15 00:00 UT 19 03 30.9 -13 02 09 1.439 2.404 156.2 9.8 241 10.8
2025-06-16 00:00 UT 19 02 41.5 -12 58 04 1.434 2.403 157.2 9.4 240 10.8
2025-06-17 00:00 UT 19 01 50.8 -12 54 05 1.429 2.403 158.2 9.0 238 10.8
2025-06-18 00:00 UT 19 00 59.1 -12 50 10 1.425 2.402 159.2 8.6 237 10.8
2025-06-19 00:00 UT 19 00 06.2 -12 46 21 1.421 2.401 160.2 8.2 235 10.7
2025-06-20 00:00 UT 18 59 12.4 -12 42 37 1.416 2.401 161.2 7.9 233 10.7
2025-06-21 00:00 UT 18 58 17.5 -12 38 59 1.413 2.400 162.1 7.5 231 10.7
2025-06-22 00:00 UT 18 57 21.7 -12 35 27 1.409 2.399 163.0 7.1 228 10.7
2025-06-23 00:00 UT 18 56 25.1 -12 32 00 1.406 2.399 163.9 6.8 226 10.7
2025-06-24 00:00 UT 18 55 27.7 -12 28 40 1.403 2.398 164.7 6.4 223 10.6
2025-06-25 00:00 UT 18 54 29.6 -12 25 25 1.400 2.397 165.5 6.1 219 10.6
2025-06-26 00:00 UT 18 53 30.8 -12 22 17 1.397 2.397 166.3 5.8 216 10.6
2025-06-27 00:00 UT 18 52 31.5 -12 19 14 1.395 2.396 166.9 5.5 212 10.6
2025-06-28 00:00 UT 18 51 31.8 -12 16 18 1.393 2.395 167.5 5.3 207 10.6
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.