AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1999RY18 ∴ Summary
Contact »
(53421) 1999RY18  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 1.9223 4.313e-09 au
e 0.084574 5.187e-08
i 19.468 5.291e-06 deg
Ω 349.527 9.625e-06 deg
ω 333.79 2.513e-05 deg
M 99.002 2.494e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    15.9 mag
Slope parameter (G)    0.15 mag
Perihelion 1.7597 au
Aphelion 2.0849 au
Asc. node-Earth separation 0.76807 au
Desc. node-Earth separation 1.0723 au
Earth MOID 0.7606 au
Orbital period 973.488 days
Date of orbit computation  feb 22 02:01
Observational summary
Optical observations (Discarded) 1574 (3)
Radar observations (Discarded) 0 (0)
Arc length 11786.8 days
Unobserved 124 days

More info »
Ephemeris at epoch 60420 MJD
Right Ascension 56.6451 deg
Declination 34.2895 deg
V Magnitude 20.43 mag
Solar Elongation -34.64 deg
Galactic Latitude -15.9 deg
Rate 0.55 deg/day
Direction 79.747 deg

More info »