(90377) Sedna |
ephemeris |
date |
magn |
radius |
delta |
ra |
dec |
elong |
phase |
Today | 15 Sep 2024 | 20.8 | 83.478 AU | 83.109 AU | 04h03m | +08°35' | 111.3° | 0.6° |
Opposition | 21 Nov 2024 | 20.7 | 83.430 AU | 82.464 AU | 04h01m | +08°24' | 168.0° | 0.1° |
(90377) Sedna - 2024-09-15
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) : 0.8607712
a (Semimajor axis) : 548.2997125
i (Inclination) : 11.92869
Ω (Longitude of ascending node) : 144.34714
ω (Argument of perihelion) : 310.84306
M (Mean anomaly) : 358.56644
Epoch : 2024 Mar 31
L (Longitude of perihelion) : 95.80997
B (Latitude of perihelion) : -8.99596
P (Orbital period in years) : 12838.88
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
2024-09-15 00:00 UT 04 03 36.5 +08 35 15 83.109 83.478 111.3 0.6 263 20.8
2024-09-15 16:22 UT 04 03 36.1 +08 35 09 83.098 83.478 111.9 0.6 263 20.8
2024-09-16 00:00 UT 04 03 35.9 +08 35 05 83.093 83.478 112.2 0.6 264 20.8
2024-09-17 00:00 UT 04 03 35.3 +08 34 55 83.077 83.477 113.2 0.6 264 20.8
2024-09-18 00:00 UT 04 03 34.6 +08 34 45 83.061 83.476 114.1 0.6 264 20.8
2024-09-19 00:00 UT 04 03 33.9 +08 34 35 83.045 83.475 115.1 0.6 264 20.8
2024-09-20 00:00 UT 04 03 33.1 +08 34 25 83.030 83.475 116.0 0.6 265 20.8
2024-09-21 00:00 UT 04 03 32.3 +08 34 15 83.014 83.474 117.0 0.6 265 20.8
2024-09-22 00:00 UT 04 03 31.5 +08 34 05 82.999 83.473 117.9 0.6 265 20.8
2024-09-23 00:00 UT 04 03 30.5 +08 33 54 82.984 83.473 118.9 0.6 265 20.8
2024-09-24 00:00 UT 04 03 29.6 +08 33 44 82.969 83.472 119.8 0.6 266 20.8
2024-09-25 00:00 UT 04 03 28.6 +08 33 33 82.954 83.471 120.8 0.6 266 20.8
2024-09-26 00:00 UT 04 03 27.6 +08 33 23 82.939 83.470 121.7 0.6 266 20.8
2024-09-27 00:00 UT 04 03 26.5 +08 33 12 82.924 83.470 122.7 0.6 266 20.8
2024-09-28 00:00 UT 04 03 25.4 +08 33 02 82.910 83.469 123.7 0.6 267 20.8
2024-09-29 00:00 UT 04 03 24.2 +08 32 51 82.895 83.468 124.6 0.6 267 20.8
2024-09-30 00:00 UT 04 03 23.0 +08 32 40 82.881 83.468 125.6 0.6 267 20.8
2024-10-01 00:00 UT 04 03 21.8 +08 32 30 82.867 83.467 126.5 0.6 268 20.8
2024-10-02 00:00 UT 04 03 20.5 +08 32 19 82.854 83.466 127.5 0.5 268 20.8
2024-10-03 00:00 UT 04 03 19.2 +08 32 08 82.840 83.465 128.4 0.5 268 20.8
2024-10-04 00:00 UT 04 03 17.8 +08 31 57 82.827 83.465 129.4 0.5 269 20.8
2024-10-05 00:00 UT 04 03 16.4 +08 31 47 82.813 83.464 130.3 0.5 269 20.8
2024-10-06 00:00 UT 04 03 15.0 +08 31 36 82.800 83.463 131.3 0.5 269 20.8
2024-10-07 00:00 UT 04 03 13.5 +08 31 25 82.787 83.463 132.3 0.5 270 20.8
2024-10-08 00:00 UT 04 03 12.0 +08 31 14 82.775 83.462 133.2 0.5 270 20.8
2024-10-09 00:00 UT 04 03 10.5 +08 31 03 82.762 83.461 134.2 0.5 270 20.8
2024-10-10 00:00 UT 04 03 08.9 +08 30 52 82.750 83.460 135.1 0.5 271 20.8
2024-10-11 00:00 UT 04 03 07.2 +08 30 42 82.738 83.460 136.1 0.5 271 20.8
2024-10-12 00:00 UT 04 03 05.6 +08 30 31 82.726 83.459 137.0 0.5 272 20.8
2024-10-13 00:00 UT 04 03 03.9 +08 30 20 82.715 83.458 138.0 0.5 272 20.8
2024-10-14 00:00 UT 04 03 02.2 +08 30 09 82.704 83.457 138.9 0.5 273 20.8
2024-10-15 00:00 UT 04 03 00.4 +08 29 58 82.692 83.457 139.9 0.4 273 20.8
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.