AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1998XS20 ∴ Summary
Contact »
(49389) 1998XS20  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.74649 1.125e-08 au
e 0.248767 3.374e-08
i 15.829 3.759e-06 deg
Ω 289.95 1.359e-05 deg
ω 338.841 1.557e-05 deg
M 57.119 9.89e-06 deg

More info »
Other useful info
Absolute Magnitude (H)    13.0 mag
Slope parameter (G)    0.15 mag
Perihelion 2.0633 au
Aphelion 3.4297 au
Asc. node-Earth separation 1.07488 au
Desc. node-Earth separation 2.37191 au
Earth MOID 1.05403 au
Orbital period 1662.51 days
Date of orbit computation  apr 23 19:56
Observational summary
Optical observations (Discarded) 2758 (12)
Radar observations (Discarded) 0 (0)
Arc length 9124.2 days
Unobserved 168 days

More info »
Ephemeris at epoch 60426 MJD
Right Ascension 4.17837 deg
Declination 13.975 deg
V Magnitude 18.45 mag
Solar Elongation 28.58 deg
Galactic Latitude -48.04 deg
Rate 0.427 deg/day
Direction 61.052 deg

More info »