(18) Melpomene |
ephemeris |
date |
magn |
radius |
delta |
ra |
dec |
elong |
phase |
Today | 2 Jun 2023 | 10.8 | 1.891 AU | 2.037 AU | 00h14m | +00°54' | 67.2° | 29.6° |
Opposition | 5 Nov 2023 | 8.2 | 1.824 AU | 0.863 AU | 03h07m | -04°04' | 159.2° | 11.1° |
(18) Melpomene - 2023-06-02
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 Melpomene are:
e (Eccentricity) : 0.2181677
a (Semimajor axis) : 2.2951370
i (Inclination) : 10.13265
Ω (Longitude of ascending node) : 150.35852
ω (Argument of perihelion) : 228.18172
M (Mean anomaly) : 303.68405
Epoch : 2023 Feb 25
L (Longitude of perihelion) : 198.09230
B (Latitude of perihelion) : -7.53388
P (Orbital period in years) : 3.48
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
2023-06-02 00:00 UT 00 14 36.2 +00 54 25 2.037 1.891 67.2 29.6 246 10.8
2023-06-02 21:33 UT 00 16 28.4 +01 02 28 2.027 1.890 67.6 29.7 246 10.8
2023-06-03 00:00 UT 00 16 41.2 +01 03 23 2.026 1.889 67.6 29.8 246 10.8
2023-06-04 00:00 UT 00 18 46.1 +01 12 17 2.016 1.888 68.1 29.9 246 10.8
2023-06-05 00:00 UT 00 20 50.9 +01 21 08 2.005 1.886 68.5 30.0 246 10.8
2023-06-06 00:00 UT 00 22 55.6 +01 29 54 1.994 1.884 68.9 30.2 246 10.7
2023-06-07 00:00 UT 00 25 00.3 +01 38 36 1.984 1.882 69.3 30.3 246 10.7
2023-06-08 00:00 UT 00 27 04.9 +01 47 14 1.973 1.881 69.7 30.4 246 10.7
2023-06-09 00:00 UT 00 29 09.4 +01 55 47 1.963 1.879 70.2 30.5 246 10.7
2023-06-10 00:00 UT 00 31 13.8 +02 04 16 1.952 1.877 70.6 30.7 246 10.7
2023-06-11 00:00 UT 00 33 18.1 +02 12 40 1.942 1.876 71.0 30.8 246 10.7
2023-06-12 00:00 UT 00 35 22.2 +02 20 59 1.931 1.874 71.4 30.9 246 10.7
2023-06-13 00:00 UT 00 37 26.3 +02 29 13 1.920 1.872 71.9 31.0 246 10.7
2023-06-14 00:00 UT 00 39 30.3 +02 37 22 1.910 1.871 72.3 31.1 246 10.7
2023-06-15 00:00 UT 00 41 34.1 +02 45 25 1.899 1.869 72.7 31.3 246 10.7
2023-06-16 00:00 UT 00 43 37.8 +02 53 23 1.889 1.868 73.2 31.4 247 10.6
2023-06-17 00:00 UT 00 45 41.4 +03 01 15 1.878 1.866 73.6 31.5 247 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.