|
(124) Alkeste |
| ephemeris |
date |
magn |
radius |
delta |
ra |
dec |
elong |
phase |
| Today | 17 Mar 2026 | 13.3 | 2.596 AU | 3.539 AU | 22h45m | -06°34' | 15.7° | 6.0° |
| Opposition | 14 Oct 2026 | 11.6 | 2.758 AU | 1.761 AU | 01h21m | +07°25' | 178.7° | 0.5° |
(124) Alkeste - 2026-03-17
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 Alkeste are:
e (Eccentricity) : 0.0784099
a (Semimajor axis) : 2.6298480
i (Inclination) : 2.96348
Ω (Longitude of ascending node) : 187.90218
ω (Argument of perihelion) : 61.59313
M (Mean anomaly) : 49.17832
Epoch : 2025 Nov 21
L (Longitude of perihelion) : 249.46321
B (Latitude of perihelion) : 2.60639
P (Orbital period in years) : 4.26
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.
Ephemerides:
Date Time RA (2000) DEC (2000) delta radius elong phase PA magn
2026-03-17 00:00 UT 22 45 38.4 -06 34 25 3.539 2.596 15.7 6.0 252 13.3
2026-03-17 11:16 UT 22 46 25.0 -06 29 53 3.538 2.596 16.0 6.1 252 13.3
2026-03-18 00:00 UT 22 47 17.7 -06 24 45 3.537 2.596 16.3 6.2 252 13.3
2026-03-19 00:00 UT 22 48 56.8 -06 15 06 3.534 2.597 16.8 6.4 252 13.4
2026-03-20 00:00 UT 22 50 35.7 -06 05 25 3.531 2.598 17.4 6.6 251 13.4
2026-03-21 00:00 UT 22 52 14.3 -05 55 45 3.528 2.599 17.9 6.8 251 13.4
2026-03-22 00:00 UT 22 53 52.8 -05 46 04 3.525 2.600 18.5 7.0 251 13.4
2026-03-23 00:00 UT 22 55 31.0 -05 36 22 3.522 2.601 19.0 7.2 251 13.4
2026-03-24 00:00 UT 22 57 09.0 -05 26 40 3.519 2.601 19.6 7.4 251 13.4
2026-03-25 00:00 UT 22 58 46.8 -05 16 58 3.515 2.602 20.2 7.6 251 13.4
2026-03-26 00:00 UT 23 00 24.3 -05 07 16 3.512 2.603 20.7 7.8 250 13.4
2026-03-27 00:00 UT 23 02 01.7 -04 57 34 3.508 2.604 21.3 8.0 250 13.4
2026-03-28 00:00 UT 23 03 38.8 -04 47 52 3.505 2.605 21.8 8.2 250 13.4
2026-03-29 00:00 UT 23 05 15.6 -04 38 09 3.501 2.606 22.4 8.4 250 13.4
2026-03-30 00:00 UT 23 06 52.3 -04 28 27 3.497 2.606 22.9 8.6 250 13.4
2026-03-31 00:00 UT 23 08 28.7 -04 18 45 3.493 2.607 23.5 8.8 250 13.4
2026-04-01 00:00 UT 23 10 04.9 -04 09 03 3.489 2.608 24.0 9.0 250 13.4
2026-04-02 00:00 UT 23 11 40.9 -03 59 21 3.484 2.609 24.6 9.2 250 13.5
2026-04-03 00:00 UT 23 13 16.6 -03 49 40 3.480 2.610 25.1 9.4 249 13.5
2026-04-04 00:00 UT 23 14 52.2 -03 39 59 3.475 2.611 25.7 9.6 249 13.5
2026-04-05 00:00 UT 23 16 27.4 -03 30 18 3.471 2.611 26.3 9.8 249 13.5
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.
