NEODyS-2

Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ Rhiannon ∴ Summary
Contact »
(16912) Rhiannon  ▹ 
SUMMARY
Keplerian elements at epoch
58200.0 MJD
Value 1-σ variation Units
a 1.75122 1.016e-08 au
e 0.272795 1.068e-07
i 24.521 1.17e-05 deg
Ω 169.209 1.939e-05 deg
ω 221.219 2.706e-05 deg
M 344.006 3.363e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    17.9 mag
Slope parameter (G)    0.15 mag
Perihelion 1.2735 au
Aphelion 2.2289 au
Asc. node-Earth separation 1.04621 au
Desc. node-Earth separation 0.33791 au
Earth MOID 0.32052 au
Orbital period 846.463 days
Date of orbit computation   Mar 13 09:45
Observational summary
Optical observations (Discarded) 169 (4)
Radar observations (Discarded) 0 (0)
Arc length 9085 days
Unobserved 314 days

More info »
Ephemeris at epoch 58262 MJD
Right Ascension 54.5384 deg
Declination 7.20384 deg
V Magnitude 20.91 mag
Solar Elongation 14.64 deg
Galactic Latitude -37.03 deg
Rate 0.857 deg/day
Direction 83.179 deg

More info »





This Web Site has been visited 19827 times since

and this Page has been visited 4609 times since 2011/06/25