(90377) Sedna |
ephemeris |
date |
magn |
radius |
delta |
ra |
dec |
elong |
phase |
Today | 1 Jun 2025 | 20.8 | 83.016 AU | 83.996 AU | 04h05m | +08°54' | 14.9° | 0.2° |
Opposition | 23 Nov 2025 | 20.7 | 82.893 AU | 81.927 AU | 04h06m | +08°40' | 168.0° | 0.1° |
(90377) Sedna - 2025-06-01
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) : 0.8618240
a (Semimajor axis) : 551.9180231
i (Inclination) : 11.92676
Ω (Longitude of ascending node) : 144.44087
ω (Argument of perihelion) : 310.93869
M (Mean anomaly) : 358.60498
Epoch : 2025 May 05
L (Longitude of perihelion) : 95.99940
B (Latitude of perihelion) : -8.98142
P (Orbital period in years) : 12966.17
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
2025-06-01 00:00 UT 04 05 41.9 +08 54 46 83.996 83.016 14.9 0.2 208 20.8
2025-06-01 00:05 UT 04 05 41.9 +08 54 46 83.996 83.016 14.9 0.2 208 20.8
2025-06-02 00:00 UT 04 05 45.1 +08 54 54 83.993 83.015 15.5 0.2 210 20.8
2025-06-03 00:00 UT 04 05 48.2 +08 55 02 83.989 83.015 16.1 0.2 213 20.8
2025-06-04 00:00 UT 04 05 51.3 +08 55 09 83.985 83.014 16.8 0.2 215 20.8
2025-06-05 00:00 UT 04 05 54.4 +08 55 17 83.981 83.013 17.5 0.2 218 20.8
2025-06-06 00:00 UT 04 05 57.6 +08 55 24 83.976 83.013 18.2 0.2 220 20.8
2025-06-07 00:00 UT 04 06 00.7 +08 55 31 83.972 83.012 18.9 0.2 222 20.8
2025-06-08 00:00 UT 04 06 03.7 +08 55 38 83.967 83.011 19.6 0.2 223 20.8
2025-06-09 00:00 UT 04 06 06.8 +08 55 45 83.961 83.010 20.4 0.2 225 20.8
2025-06-10 00:00 UT 04 06 09.9 +08 55 52 83.956 83.010 21.2 0.3 226 20.8
2025-06-11 00:00 UT 04 06 12.9 +08 55 58 83.950 83.009 22.0 0.3 228 20.8
2025-06-12 00:00 UT 04 06 16.0 +08 56 04 83.944 83.008 22.8 0.3 229 20.8
2025-06-13 00:00 UT 04 06 19.0 +08 56 11 83.938 83.008 23.6 0.3 230 20.8
2025-06-14 00:00 UT 04 06 22.0 +08 56 16 83.931 83.007 24.4 0.3 232 20.8
2025-06-15 00:00 UT 04 06 25.0 +08 56 22 83.924 83.006 25.2 0.3 233 20.8
2025-06-16 00:00 UT 04 06 28.0 +08 56 28 83.917 83.006 26.0 0.3 234 20.8
2025-06-17 00:00 UT 04 06 31.0 +08 56 33 83.910 83.005 26.9 0.3 235 20.8
2025-06-18 00:00 UT 04 06 33.9 +08 56 38 83.902 83.004 27.7 0.3 236 20.8
2025-06-19 00:00 UT 04 06 36.9 +08 56 43 83.895 83.003 28.6 0.3 237 20.8
2025-06-20 00:00 UT 04 06 39.8 +08 56 48 83.887 83.003 29.4 0.3 237 20.8
2025-06-21 00:00 UT 04 06 42.7 +08 56 53 83.878 83.002 30.3 0.4 238 20.8
2025-06-22 00:00 UT 04 06 45.6 +08 56 57 83.870 83.001 31.2 0.4 239 20.8
2025-06-23 00:00 UT 04 06 48.4 +08 57 01 83.861 83.001 32.0 0.4 240 20.8
2025-06-24 00:00 UT 04 06 51.3 +08 57 06 83.852 83.000 32.9 0.4 240 20.8
2025-06-25 00:00 UT 04 06 54.1 +08 57 09 83.842 82.999 33.8 0.4 241 20.8
2025-06-26 00:00 UT 04 06 56.9 +08 57 13 83.833 82.999 34.7 0.4 241 20.8
2025-06-27 00:00 UT 04 06 59.7 +08 57 17 83.823 82.998 35.5 0.4 242 20.8
2025-06-28 00:00 UT 04 07 02.4 +08 57 20 83.813 82.997 36.4 0.4 243 20.8
2025-06-29 00:00 UT 04 07 05.1 +08 57 23 83.803 82.996 37.3 0.4 243 20.8
2025-06-30 00:00 UT 04 07 07.8 +08 57 26 83.793 82.996 38.2 0.4 244 20.8
2025-07-01 00:00 UT 04 07 10.5 +08 57 29 83.782 82.995 39.1 0.4 244 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.