(90482) Orcus |
ephemeris |
date |
magn |
radius |
delta |
ra |
dec |
elong |
phase |
Today | 30 May 2023 | 19.2 | 48.039 AU | 47.948 AU | 10h26m | -11°46' | 94.6° | 1.2° |
Opposition | 5 Mar 2024 | 19.0 | 48.028 AU | 47.098 AU | 10h32m | -12°55' | 159.5° | 0.4° |
(90482) Orcus - 2023-05-30
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) : 0.2286226
a (Semimajor axis) : 39.1166841
i (Inclination) : 20.56758
Ω (Longitude of ascending node) : 268.53588
ω (Argument of perihelion) : 73.46065
M (Mean anomaly) : 184.36713
Epoch : 2023 Feb 25
L (Longitude of perihelion) : 340.93799
B (Latitude of perihelion) : 19.68058
P (Orbital period in years) : 244.65
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
2023-05-30 00:00 UT 10 26 09.9 -11 46 39 47.948 48.039 94.6 1.2 111 19.2
2023-05-30 05:18 UT 10 26 10.1 -11 46 35 47.952 48.039 94.4 1.2 111 19.2
2023-05-31 00:00 UT 10 26 10.7 -11 46 18 47.964 48.039 93.7 1.2 112 19.2
2023-06-01 00:00 UT 10 26 11.6 -11 45 58 47.980 48.039 92.8 1.2 112 19.2
2023-06-02 00:00 UT 10 26 12.6 -11 45 38 47.996 48.039 91.9 1.2 112 19.2
2023-06-03 00:00 UT 10 26 13.7 -11 45 18 48.011 48.039 91.0 1.2 112 19.2
2023-06-04 00:00 UT 10 26 14.8 -11 44 59 48.027 48.039 90.1 1.2 113 19.2
2023-06-05 00:00 UT 10 26 16.0 -11 44 41 48.043 48.039 89.2 1.2 113 19.2
2023-06-06 00:00 UT 10 26 17.3 -11 44 23 48.059 48.039 88.3 1.2 113 19.2
2023-06-07 00:00 UT 10 26 18.7 -11 44 05 48.075 48.039 87.4 1.2 114 19.2
2023-06-08 00:00 UT 10 26 20.1 -11 43 48 48.091 48.039 86.5 1.2 114 19.2
2023-06-09 00:00 UT 10 26 21.6 -11 43 32 48.106 48.039 85.6 1.2 114 19.2
2023-06-10 00:00 UT 10 26 23.2 -11 43 16 48.122 48.039 84.7 1.2 115 19.2
2023-06-11 00:00 UT 10 26 24.9 -11 43 00 48.138 48.039 83.8 1.2 115 19.2
2023-06-12 00:00 UT 10 26 26.6 -11 42 45 48.154 48.039 82.9 1.2 115 19.2
2023-06-13 00:00 UT 10 26 28.4 -11 42 31 48.169 48.039 82.0 1.2 116 19.2
2023-06-14 00:00 UT 10 26 30.3 -11 42 17 48.185 48.039 81.1 1.2 116 19.2
2023-06-15 00:00 UT 10 26 32.3 -11 42 04 48.201 48.039 80.2 1.2 116 19.2
2023-06-16 00:00 UT 10 26 34.3 -11 41 51 48.216 48.039 79.3 1.2 117 19.2
2023-06-17 00:00 UT 10 26 36.4 -11 41 39 48.232 48.039 78.4 1.2 117 19.2
2023-06-18 00:00 UT 10 26 38.6 -11 41 27 48.247 48.039 77.6 1.2 117 19.2
2023-06-19 00:00 UT 10 26 40.8 -11 41 16 48.263 48.039 76.7 1.2 118 19.2
2023-06-20 00:00 UT 10 26 43.2 -11 41 05 48.278 48.039 75.8 1.2 118 19.2
2023-06-21 00:00 UT 10 26 45.6 -11 40 55 48.293 48.039 74.9 1.2 118 19.2
2023-06-22 00:00 UT 10 26 48.0 -11 40 46 48.309 48.039 74.0 1.2 119 19.2
2023-06-23 00:00 UT 10 26 50.5 -11 40 37 48.324 48.038 73.1 1.2 119 19.2
2023-06-24 00:00 UT 10 26 53.1 -11 40 29 48.339 48.038 72.2 1.2 119 19.2
2023-06-25 00:00 UT 10 26 55.8 -11 40 21 48.354 48.038 71.4 1.1 120 19.2
2023-06-26 00:00 UT 10 26 58.5 -11 40 14 48.369 48.038 70.5 1.1 120 19.2
2023-06-27 00:00 UT 10 27 01.3 -11 40 07 48.383 48.038 69.6 1.1 121 19.2
2023-06-28 00:00 UT 10 27 04.2 -11 40 02 48.398 48.038 68.7 1.1 121 19.2
2023-06-29 00:00 UT 10 27 07.1 -11 39 56 48.413 48.038 67.8 1.1 121 19.2
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.