(90482) Orcus |
ephemeris |
date |
magn |
radius |
delta |
ra |
dec |
elong |
phase |
Opposition | 5 Mar 2024 | 19.0 | 48.029 AU | 47.098 AU | 10h32m | -12°55' | 159.5° | 0.4° |
Today | 25 Apr 2024 | 19.1 | 48.027 AU | 47.425 AU | 10h29m | -12°29' | 126.3° | 1.0° |
(90482) Orcus - 2024-04-25
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 Orcus are:
e (Eccentricity) : 0.2262299
a (Semimajor axis) : 39.1904679
i (Inclination) : 20.55896
Ω (Longitude of ascending node) : 268.43116
ω (Argument of perihelion) : 73.77276
M (Mean anomaly) : 185.62301
Epoch : 2024 Mar 31
L (Longitude of perihelion) : 341.16385
B (Latitude of perihelion) : 19.70520
P (Orbital period in years) : 245.34
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
2024-04-25 00:00 UT 10 29 57.0 -12 29 37 47.425 48.027 126.3 1.0 97 19.1
2024-04-25 02:18 UT 10 29 56.8 -12 29 34 47.426 48.027 126.2 1.0 97 19.1
2024-04-26 00:00 UT 10 29 55.1 -12 29 05 47.437 48.027 125.4 1.0 98 19.1
2024-04-27 00:00 UT 10 29 53.3 -12 28 33 47.449 48.027 124.5 1.0 98 19.1
2024-04-28 00:00 UT 10 29 51.6 -12 28 01 47.462 48.027 123.6 1.0 99 19.1
2024-04-29 00:00 UT 10 29 49.9 -12 27 29 47.475 48.027 122.7 1.0 99 19.1
2024-04-30 00:00 UT 10 29 48.3 -12 26 57 47.488 48.027 121.9 1.0 100 19.1
2024-05-01 00:00 UT 10 29 46.8 -12 26 25 47.501 48.027 121.0 1.0 100 19.1
2024-05-02 00:00 UT 10 29 45.4 -12 25 54 47.514 48.027 120.1 1.0 101 19.1
2024-05-03 00:00 UT 10 29 44.0 -12 25 23 47.527 48.027 119.2 1.1 101 19.1
2024-05-04 00:00 UT 10 29 42.7 -12 24 52 47.541 48.027 118.3 1.1 102 19.1
2024-05-05 00:00 UT 10 29 41.5 -12 24 22 47.555 48.027 117.4 1.1 102 19.1
2024-05-06 00:00 UT 10 29 40.4 -12 23 51 47.569 48.027 116.5 1.1 102 19.1
2024-05-07 00:00 UT 10 29 39.3 -12 23 21 47.582 48.027 115.6 1.1 103 19.1
2024-05-08 00:00 UT 10 29 38.3 -12 22 51 47.597 48.027 114.7 1.1 103 19.1
2024-05-09 00:00 UT 10 29 37.4 -12 22 22 47.611 48.027 113.8 1.1 104 19.1
2024-05-10 00:00 UT 10 29 36.6 -12 21 53 47.625 48.026 112.9 1.1 104 19.1
2024-05-11 00:00 UT 10 29 35.8 -12 21 24 47.640 48.026 112.0 1.1 104 19.1
2024-05-12 00:00 UT 10 29 35.2 -12 20 55 47.654 48.026 111.1 1.1 105 19.1
2024-05-13 00:00 UT 10 29 34.6 -12 20 27 47.669 48.026 110.2 1.1 105 19.1
2024-05-14 00:00 UT 10 29 34.1 -12 19 59 47.684 48.026 109.3 1.1 106 19.1
2024-05-15 00:00 UT 10 29 33.6 -12 19 31 47.698 48.026 108.4 1.1 106 19.1
2024-05-16 00:00 UT 10 29 33.3 -12 19 04 47.713 48.026 107.5 1.2 106 19.1
2024-05-17 00:00 UT 10 29 33.0 -12 18 37 47.728 48.026 106.6 1.2 107 19.1
2024-05-18 00:00 UT 10 29 32.8 -12 18 10 47.743 48.026 105.7 1.2 107 19.1
2024-05-19 00:00 UT 10 29 32.7 -12 17 44 47.759 48.026 104.7 1.2 107 19.1
2024-05-20 00:00 UT 10 29 32.6 -12 17 18 47.774 48.026 103.8 1.2 108 19.1
2024-05-21 00:00 UT 10 29 32.6 -12 16 53 47.789 48.026 102.9 1.2 108 19.1
2024-05-22 00:00 UT 10 29 32.7 -12 16 28 47.805 48.026 102.0 1.2 109 19.1
2024-05-23 00:00 UT 10 29 32.9 -12 16 03 47.820 48.026 101.1 1.2 109 19.1
2024-05-24 00:00 UT 10 29 33.2 -12 15 39 47.836 48.026 100.2 1.2 109 19.1
2024-05-25 00:00 UT 10 29 33.5 -12 15 15 47.851 48.026 99.3 1.2 110 19.1
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.