(40) Harmonia |
ephemeris |
date |
magn |
radius |
delta |
ra |
dec |
elong |
phase |
Today | 19 Apr 2024 | 11.0 | 2.266 AU | 2.005 AU | 19h58m | -20°24' | 91.5° | 26.3° |
Opposition | 20 Jul 2024 | 8.9 | 2.219 AU | 1.204 AU | 20h07m | -23°32' | 176.6° | 1.6° |
(40) Harmonia - 2024-04-19
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 Harmonia are:
e (Eccentricity) : 0.0461503
a (Semimajor axis) : 2.2674426
i (Inclination) : 4.25576
Ω (Longitude of ascending node) : 94.15588
ω (Argument of perihelion) : 269.19371
M (Mean anomaly) : 267.71628
Epoch : 2024 Mar 31
L (Longitude of perihelion) : 183.34736
B (Latitude of perihelion) : -4.25534
P (Orbital period in years) : 3.41
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
2024-04-19 00:00 UT 19 58 19.6 -20 24 41 2.005 2.266 91.5 26.3 259 11.0
2024-04-19 13:18 UT 19 59 00.9 -20 23 31 1.998 2.266 91.9 26.3 259 11.0
2024-04-20 00:00 UT 19 59 33.8 -20 22 36 1.992 2.266 92.2 26.3 259 11.0
2024-04-21 00:00 UT 20 00 47.0 -20 20 32 1.980 2.265 92.9 26.3 258 11.0
2024-04-22 00:00 UT 20 01 59.1 -20 18 30 1.967 2.265 93.6 26.3 258 11.0
2024-04-23 00:00 UT 20 03 10.2 -20 16 31 1.955 2.264 94.3 26.3 258 11.0
2024-04-24 00:00 UT 20 04 20.2 -20 14 33 1.942 2.264 95.0 26.3 258 11.0
2024-04-25 00:00 UT 20 05 29.1 -20 12 39 1.930 2.263 95.7 26.2 258 10.9
2024-04-26 00:00 UT 20 06 36.9 -20 10 47 1.917 2.263 96.4 26.2 258 10.9
2024-04-27 00:00 UT 20 07 43.6 -20 08 58 1.905 2.262 97.1 26.2 258 10.9
2024-04-28 00:00 UT 20 08 49.1 -20 07 12 1.893 2.262 97.8 26.2 258 10.9
2024-04-29 00:00 UT 20 09 53.5 -20 05 30 1.880 2.261 98.6 26.1 258 10.9
2024-04-30 00:00 UT 20 10 56.7 -20 03 51 1.868 2.261 99.3 26.1 258 10.9
2024-05-01 00:00 UT 20 11 58.7 -20 02 15 1.856 2.260 100.0 26.0 258 10.8
2024-05-02 00:00 UT 20 12 59.4 -20 00 43 1.843 2.260 100.7 26.0 257 10.8
2024-05-03 00:00 UT 20 13 59.0 -19 59 15 1.831 2.259 101.5 25.9 257 10.8
2024-05-04 00:00 UT 20 14 57.2 -19 57 51 1.819 2.259 102.2 25.9 257 10.8
2024-05-05 00:00 UT 20 15 54.2 -19 56 31 1.807 2.258 103.0 25.8 257 10.8
2024-05-06 00:00 UT 20 16 49.9 -19 55 15 1.794 2.257 103.7 25.7 257 10.8
2024-05-07 00:00 UT 20 17 44.2 -19 54 05 1.782 2.257 104.5 25.7 257 10.7
2024-05-08 00:00 UT 20 18 37.2 -19 52 58 1.770 2.256 105.2 25.6 257 10.7
2024-05-09 00:00 UT 20 19 28.9 -19 51 57 1.758 2.256 106.0 25.5 257 10.7
2024-05-10 00:00 UT 20 20 19.1 -19 51 01 1.746 2.255 106.8 25.4 257 10.7
2024-05-11 00:00 UT 20 21 08.0 -19 50 10 1.734 2.255 107.6 25.3 257 10.7
2024-05-12 00:00 UT 20 21 55.4 -19 49 25 1.722 2.254 108.3 25.2 257 10.7
2024-05-13 00:00 UT 20 22 41.4 -19 48 45 1.711 2.254 109.1 25.1 257 10.6
2024-05-14 00:00 UT 20 23 25.9 -19 48 11 1.699 2.253 109.9 24.9 257 10.6
2024-05-15 00:00 UT 20 24 08.9 -19 47 43 1.687 2.253 110.7 24.8 257 10.6
2024-05-16 00:00 UT 20 24 50.5 -19 47 20 1.676 2.252 111.5 24.7 257 10.6
2024-05-17 00:00 UT 20 25 30.6 -19 47 04 1.664 2.252 112.3 24.5 257 10.6
2024-05-18 00:00 UT 20 26 09.1 -19 46 54 1.652 2.251 113.1 24.4 257 10.5
2024-05-19 00:00 UT 20 26 46.1 -19 46 51 1.641 2.251 114.0 24.3 257 10.5
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.