(18) Melpomene |
ephemeris |
date |
magn |
radius |
delta |
ra |
dec |
elong |
phase |
Today | 12 Nov 2024 | 11.8 | 2.622 AU | 3.078 AU | 11h46m | +02°45' | 54.0° | 17.8° |
Opposition | 24 Mar 2025 | 10.1 | 2.773 AU | 1.783 AU | 12h28m | +06°27' | 171.2° | 3.2° |
(18) Melpomene - 2024-11-12
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) : 0.2182705
a (Semimajor axis) : 2.2950003
i (Inclination) : 10.13205
Ω (Longitude of ascending node) : 150.33595
ω (Argument of perihelion) : 228.05394
M (Mean anomaly) : 113.87109
Epoch : 2024 Oct 17
L (Longitude of perihelion) : 197.94180
B (Latitude of perihelion) : -7.51830
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
2024-11-12 00:00 UT 11 46 06.2 +02 45 35 3.078 2.622 54.0 17.8 294 11.8
2024-11-12 05:49 UT 11 46 25.6 +02 44 04 3.075 2.622 54.2 17.8 294 11.8
2024-11-13 00:00 UT 11 47 25.8 +02 39 20 3.068 2.623 54.7 17.9 294 11.8
2024-11-14 00:00 UT 11 48 45.0 +02 33 08 3.058 2.625 55.4 18.1 294 11.8
2024-11-15 00:00 UT 11 50 03.7 +02 27 01 3.048 2.627 56.0 18.2 294 11.8
2024-11-16 00:00 UT 11 51 22.0 +02 20 57 3.038 2.628 56.7 18.3 294 11.8
2024-11-17 00:00 UT 11 52 39.7 +02 14 57 3.028 2.630 57.4 18.5 294 11.8
2024-11-18 00:00 UT 11 53 57.0 +02 09 01 3.017 2.632 58.0 18.6 294 11.8
2024-11-19 00:00 UT 11 55 13.8 +02 03 10 3.007 2.633 58.7 18.7 294 11.8
2024-11-20 00:00 UT 11 56 30.1 +01 57 22 2.997 2.635 59.4 18.8 294 11.8
2024-11-21 00:00 UT 11 57 45.9 +01 51 39 2.986 2.636 60.1 19.0 294 11.8
2024-11-22 00:00 UT 11 59 01.2 +01 46 00 2.975 2.638 60.8 19.1 294 11.8
2024-11-23 00:00 UT 12 00 15.9 +01 40 26 2.965 2.639 61.5 19.2 294 11.8
2024-11-24 00:00 UT 12 01 30.1 +01 34 57 2.954 2.641 62.1 19.3 294 11.8
2024-11-25 00:00 UT 12 02 43.8 +01 29 32 2.943 2.643 62.8 19.4 294 11.8
2024-11-26 00:00 UT 12 03 57.0 +01 24 12 2.932 2.644 63.5 19.5 294 11.8
2024-11-27 00:00 UT 12 05 09.6 +01 18 57 2.921 2.646 64.2 19.6 294 11.8
2024-11-28 00:00 UT 12 06 21.6 +01 13 47 2.910 2.647 64.9 19.7 294 11.8
2024-11-29 00:00 UT 12 07 33.0 +01 08 42 2.898 2.649 65.6 19.8 294 11.8
2024-11-30 00:00 UT 12 08 43.9 +01 03 42 2.887 2.650 66.4 19.9 294 11.8
2024-12-01 00:00 UT 12 09 54.1 +00 58 48 2.876 2.652 67.1 20.0 294 11.8
2024-12-02 00:00 UT 12 11 03.7 +00 53 59 2.864 2.653 67.8 20.1 294 11.8
2024-12-03 00:00 UT 12 12 12.7 +00 49 15 2.852 2.655 68.5 20.2 294 11.8
2024-12-04 00:00 UT 12 13 21.1 +00 44 38 2.841 2.656 69.2 20.3 294 11.7
2024-12-05 00:00 UT 12 14 28.9 +00 40 06 2.829 2.658 70.0 20.4 294 11.7
2024-12-06 00:00 UT 12 15 36.0 +00 35 40 2.817 2.659 70.7 20.5 294 11.7
2024-12-07 00:00 UT 12 16 42.4 +00 31 20 2.805 2.661 71.4 20.5 294 11.7
2024-12-08 00:00 UT 12 17 48.1 +00 27 06 2.793 2.662 72.1 20.6 294 11.7
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.