AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2008US99 ∴ Summary
Contact »
(241409) 2008US99  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.71897 2.292e-08 au
e 0.070788 5.064e-08
i 6.615 6.086e-06 deg
Ω 273.072 5.661e-05 deg
ω 19.298 7.805e-05 deg
M 265.19 5.236e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    16.6 mag
Slope parameter (G)    0.15 mag
Perihelion 2.5265 au
Aphelion 2.9114 au
Asc. node-Earth separation 1.51941 au
Desc. node-Earth separation 1.91623 au
Earth MOID 1.51108 au
Orbital period 1637.59 days
Date of orbit computation  apr 23 20:40
Observational summary
Optical observations (Discarded) 260 (3)
Radar observations (Discarded) 0 (0)
Arc length 8956.94 days
Unobserved 486 days

More info »
Ephemeris at epoch 60425 MJD
Right Ascension 179.83 deg
Declination -10.5133 deg
V Magnitude 20.83 mag
Solar Elongation -147.77 deg
Galactic Latitude 50.29 deg
Rate 0.155 deg/day
Direction -50.79 deg

More info »