Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ Sedna ∴ Orbital info
Contact »
(90377) Sedna  ▹ 
Keplerian elements at epoch
59200.0 MJD
Value 1-σ variation Units
a 491.519 0.2019 au
e 0.844762 6.309e-05
i 11.931 4.609e-06 deg
Ω 144.222 0.0005383 deg
ω 311.242 0.003057 deg
M 358.182 0.001144 deg
Other useful info
Absolute Magnitude (H)    1.6 mag
Slope parameter (G)    0.15 mag
Perihelion 76.3023 au
Aphelion 906.735 au
Asc. node-Earth separation 89.4233 au
Desc. node-Earth separation 316.647 au
Earth MOID 75.331 au
Orbital period 3.98023e+06 days
Date of orbit computation  Dec 22 18:40


Get the orbital details, including covariance and correlation
Near middle of observational arc (ASCII file) Epoch 56804.7 MJD
Near present day (ASCII file) Epoch 59200.0 MJD


Note: The elements are given with reduced precision in order to be more readable. For full precision please use the machine readable ASCII files, which contain equinoctial (not keplerian) elements and are in a format suitable for OrbFit input. Also refer to the discussion in the FAQ.