AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2009HZ99 ∴ Summary
Contact »
(312588) 2009HZ99  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 2.52471 2.696e-08 au
e 0.115316 7.549e-08
i 14.825 7.999e-06 deg
Ω 212.02 3.619e-05 deg
ω 197.911 6.167e-05 deg
M 291.256 5.617e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    16.1 mag
Slope parameter (G)    0.15 mag
Perihelion 2.2336 au
Aphelion 2.8158 au
Asc. node-Earth separation 1.7912 au
Desc. node-Earth separation 1.25043 au
Earth MOID 1.24557 au
Orbital period 1465.26 days
Date of orbit computation  Dec 20 14:48
Observational summary
Optical observations (Discarded) 139 (1)
Radar observations (Discarded) 0 (0)
Arc length 5932.88 days
Unobserved 198 days

More info »
Ephemeris at epoch 58580 MJD
Right Ascension 16.3228 deg
Declination 9.4068 deg
V Magnitude 20.62 mag
Solar Elongation -3.03 deg
Galactic Latitude -53.31 deg
Rate 0.507 deg/day
Direction 73.557 deg

More info »





This Web Site has been visited 1089340 times since

and this Page has been visited 52 times since 2012/01/18