AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1999JC9 ∴ Summary
Contact »
(17946) 1999JC9  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 2.36234 1.04e-08 au
e 0.117142 3.497e-08
i 6.845 4.89e-06 deg
Ω 151.918 3.48e-05 deg
ω 128.302 4.295e-05 deg
M 81.687 2.359e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    15.3 mag
Slope parameter (G)    0.15 mag
Perihelion 2.0856 au
Aphelion 2.6391 au
Asc. node-Earth separation 1.52196 au
Desc. node-Earth separation 1.16109 au
Earth MOID 1.07618 au
Orbital period 1326.21 days
Date of orbit computation  Oct 31 05:07
Observational summary
Optical observations (Discarded) 1058 (11)
Radar observations (Discarded) 0 (0)
Arc length 10602.6 days
Unobserved 159 days

More info »
Ephemeris at epoch 58568 MJD
Right Ascension 42.2797 deg
Declination 10.668 deg
V Magnitude 20.71 mag
Solar Elongation -38.62 deg
Galactic Latitude -42.64 deg
Rate 0.415 deg/day
Direction 71.214 deg

More info »





This Web Site has been visited 130438 times since

and this Page has been visited 85 times since 2011/10/20