AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1999UY21 ∴ Summary
Contact »
(222114) 1999UY21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.89811 2.128e-08 au
e 0.109209 5.14e-08
i 2.297 6.204e-06 deg
Ω 44.49 0.0001343 deg
ω 261.534 0.0001371 deg
M 57.657 2.974e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    16.6 mag
Slope parameter (G)    0.15 mag
Perihelion 2.5816 au
Aphelion 3.2146 au
Asc. node-Earth separation 1.91959 au
Desc. node-Earth separation 1.81003 au
Earth MOID 1.56767 au
Orbital period 1802.07 days
Date of orbit computation  feb 22 02:37
Observational summary
Optical observations (Discarded) 325 (1)
Radar observations (Discarded) 0 (0)
Arc length 8769.76 days
Unobserved 161 days

More info »
Ephemeris at epoch 60398 MJD
Right Ascension 12.2469 deg
Declination 4.3406 deg
V Magnitude 21.92 mag
Solar Elongation -4.58 deg
Galactic Latitude -58.53 deg
Rate 0.424 deg/day
Direction 66.337 deg

More info »