AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ Ruth ∴ Summary
Contact »
(798) Ruth  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 3.01499 1.187e-08 au
e 0.035715 3.485e-08
i 9.239 4.202e-06 deg
Ω 214.269 2.248e-05 deg
ω 42.85 5.994e-05 deg
M 116.764 5.468e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    9.6 mag
Slope parameter (G)    0.15 mag
Perihelion 2.9073 au
Aphelion 3.1227 au
Asc. node-Earth separation 1.9267 au
Desc. node-Earth separation 2.09834 au
Earth MOID 1.89957 au
Orbital period 1912.17 days
Date of orbit computation  Oct 31 04:55
Observational summary
Optical observations (Discarded) 2487 (58)
Radar observations (Discarded) 0 (0)
Arc length 50560.2 days
Unobserved 29 days

More info »
Ephemeris at epoch 58441 MJD
Right Ascension 10.2884 deg
Declination 6.61672 deg
V Magnitude 14.61 mag
Solar Elongation -135.67 deg
Galactic Latitude -56.16 deg
Rate 0.087 deg/day
Direction -146.209 deg

More info »





This Web Site has been visited 269552 times since

and this Page has been visited 362 times since 2011/10/17