AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1999RA228 ∴ Summary
Contact »
(157891) 1999RA228  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.62064 1.966e-08 au
e 0.238007 6.812e-08
i 13.854 9.296e-06 deg
Ω 308.111 2.066e-05 deg
ω 324.616 2.701e-05 deg
M 320.106 2.053e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    15.9 mag
Slope parameter (G)    0.15 mag
Perihelion 1.9969 au
Aphelion 3.2444 au
Asc. node-Earth separation 1.05563 au
Desc. node-Earth separation 2.08293 au
Earth MOID 0.99646 au
Orbital period 1549.57 days
Date of orbit computation  apr 23 20:22
Observational summary
Optical observations (Discarded) 526 (2)
Radar observations (Discarded) 0 (0)
Arc length 9015.64 days
Unobserved 38 days

More info »
Ephemeris at epoch 60427 MJD
Right Ascension 209.823 deg
Declination -39.2403 deg
V Magnitude 18.67 mag
Solar Elongation 154.23 deg
Galactic Latitude 21.77 deg
Rate 0.213 deg/day
Direction -78.765 deg

More info »