AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2004RY21 ∴ Summary
Contact »
(158912) 2004RY21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.7412 1.693e-08 au
e 0.140087 3.973e-08
i 12.336 5.983e-06 deg
Ω 164.432 2.16e-05 deg
ω 280.909 3.173e-05 deg
M 27.71 2.402e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    15.7 mag
Slope parameter (G)    0.15 mag
Perihelion 2.3572 au
Aphelion 3.1252 au
Asc. node-Earth separation 1.62638 au
Desc. node-Earth separation 1.75335 au
Earth MOID 1.41065 au
Orbital period 1657.72 days
Date of orbit computation  apr 23 20:22
Observational summary
Optical observations (Discarded) 696 (2)
Radar observations (Discarded) 0 (0)
Arc length 9431.92 days
Unobserved 71 days

More info »
Ephemeris at epoch 60425 MJD
Right Ascension 106.672 deg
Declination 15.6992 deg
V Magnitude 20.81 mag
Solar Elongation -71.34 deg
Galactic Latitude 10.39 deg
Rate 0.37 deg/day
Direction 84.76 deg

More info »