(90377) Sedna |
ephemeris |
date |
magn |
radius |
delta |
ra |
dec |
elong |
phase |
Today | 30 May 2023 | 20.8 | 83.783 AU | 84.764 AU | 03h58m | +08°30' | 14.6° | 0.2° |
Opposition | 22 Nov 2023 | 20.8 | 83.655 AU | 82.689 AU | 03h59m | +08°16' | 168.0° | 0.1° |
(90377) Sedna - 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 Sedna are:
e (Eccentricity) : 0.8565261
a (Semimajor axis) : 532.3723510
i (Inclination) : 11.93034
Ω (Longitude of ascending node) : 144.25836
ω (Argument of perihelion) : 310.87040
M (Mean anomaly) : 358.46965
Epoch : 2023 Feb 25
L (Longitude of perihelion) : 95.74878
B (Latitude of perihelion) : -8.99346
P (Orbital period in years) : 12283.53
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 03 58 32.0 +08 30 46 84.764 83.783 14.6 0.2 205 20.8
2023-05-30 04:06 UT 03 58 32.6 +08 30 48 84.764 83.783 14.7 0.2 206 20.8
2023-05-31 00:00 UT 03 58 35.2 +08 30 55 84.761 83.783 15.2 0.2 208 20.8
2023-06-01 00:00 UT 03 58 38.2 +08 31 03 84.757 83.782 15.8 0.2 211 20.8
2023-06-02 00:00 UT 03 58 41.3 +08 31 11 84.754 83.781 16.4 0.2 213 20.8
2023-06-03 00:00 UT 03 58 44.4 +08 31 19 84.750 83.780 17.1 0.2 216 20.8
2023-06-04 00:00 UT 03 58 47.5 +08 31 27 84.745 83.780 17.8 0.2 218 20.8
2023-06-05 00:00 UT 03 58 50.6 +08 31 34 84.741 83.779 18.5 0.2 220 20.8
2023-06-06 00:00 UT 03 58 53.6 +08 31 42 84.736 83.778 19.3 0.2 222 20.8
2023-06-07 00:00 UT 03 58 56.7 +08 31 49 84.731 83.778 20.0 0.2 223 20.8
2023-06-08 00:00 UT 03 58 59.7 +08 31 56 84.725 83.777 20.8 0.2 225 20.8
2023-06-09 00:00 UT 03 59 02.7 +08 32 03 84.720 83.776 21.6 0.3 226 20.8
2023-06-10 00:00 UT 03 59 05.7 +08 32 10 84.714 83.775 22.3 0.3 228 20.8
2023-06-11 00:00 UT 03 59 08.7 +08 32 17 84.708 83.775 23.1 0.3 229 20.8
2023-06-12 00:00 UT 03 59 11.7 +08 32 23 84.701 83.774 24.0 0.3 230 20.8
2023-06-13 00:00 UT 03 59 14.7 +08 32 29 84.694 83.773 24.8 0.3 231 20.8
2023-06-14 00:00 UT 03 59 17.7 +08 32 35 84.688 83.772 25.6 0.3 232 20.8
2023-06-15 00:00 UT 03 59 20.6 +08 32 41 84.680 83.772 26.4 0.3 233 20.8
2023-06-16 00:00 UT 03 59 23.5 +08 32 47 84.673 83.771 27.3 0.3 234 20.8
2023-06-17 00:00 UT 03 59 26.4 +08 32 52 84.665 83.770 28.1 0.3 235 20.9
2023-06-18 00:00 UT 03 59 29.3 +08 32 58 84.657 83.770 29.0 0.3 236 20.9
2023-06-19 00:00 UT 03 59 32.2 +08 33 03 84.649 83.769 29.8 0.3 237 20.9
2023-06-20 00:00 UT 03 59 35.1 +08 33 08 84.641 83.768 30.7 0.4 238 20.9
2023-06-21 00:00 UT 03 59 37.9 +08 33 13 84.632 83.767 31.6 0.4 238 20.9
2023-06-22 00:00 UT 03 59 40.7 +08 33 17 84.623 83.767 32.4 0.4 239 20.9
2023-06-23 00:00 UT 03 59 43.5 +08 33 21 84.614 83.766 33.3 0.4 240 20.9
2023-06-24 00:00 UT 03 59 46.3 +08 33 26 84.604 83.765 34.2 0.4 240 20.9
2023-06-25 00:00 UT 03 59 49.0 +08 33 30 84.595 83.764 35.1 0.4 241 20.9
2023-06-26 00:00 UT 03 59 51.7 +08 33 33 84.585 83.764 36.0 0.4 242 20.9
2023-06-27 00:00 UT 03 59 54.4 +08 33 37 84.575 83.763 36.8 0.4 242 20.9
2023-06-28 00:00 UT 03 59 57.1 +08 33 40 84.564 83.762 37.7 0.4 243 20.9
2023-06-29 00:00 UT 03 59 59.8 +08 33 43 84.554 83.762 38.6 0.4 243 20.9
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.