AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1999HY4 ∴ Summary
Contact »
(168461) 1999HY4  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.14244 2.03e-08 au
e 0.151189 4.879e-08
i 6.296 6.966e-06 deg
Ω 20.84 4.798e-05 deg
ω 231.79 5.427e-05 deg
M 135.217 2.793e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    15.5 mag
Slope parameter (G)    0.15 mag
Perihelion 2.6673 au
Aphelion 3.6175 au
Asc. node-Earth separation 2.39053 au
Desc. node-Earth separation 1.80607 au
Earth MOID 1.65899 au
Orbital period 2034.69 days
Date of orbit computation  apr 23 20:24
Observational summary
Optical observations (Discarded) 560 (10)
Radar observations (Discarded) 0 (0)
Arc length 10295 days
Unobserved 169 days

More info »
Ephemeris at epoch 60425 MJD
Right Ascension 37.3685 deg
Declination 16.6073 deg
V Magnitude 21.7 mag
Solar Elongation -5.7 deg
Galactic Latitude -40.22 deg
Rate 0.323 deg/day
Direction 69.702 deg

More info »