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NEODyS ∴ Objects ∴ Rhiannon ∴ Summary
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(16912) Rhiannon  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 1.75116 1.028e-08 au
e 0.272797 1.068e-07
i 24.521 1.17e-05 deg
Ω 169.207 1.939e-05 deg
ω 221.209 2.706e-05 deg
M 69.076 3.43e-05 deg

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Other useful info
Absolute Magnitude (H)    17.9 mag
Slope parameter (G)    0.15 mag
Perihelion 1.2734 au
Aphelion 2.2289 au
Asc. node-Earth separation 1.04463 au
Desc. node-Earth separation 0.33823 au
Earth MOID 0.32096 au
Orbital period 846.423 days
Date of orbit computation   Oct 1 16:36
Observational summary
Optical observations (Discarded) 169 (4)
Radar observations (Discarded) 0 (0)
Arc length 9085 days
Unobserved 460 days

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Ephemeris at epoch 58408 MJD
Right Ascension 158.2 deg
Declination -1.8782 deg
V Magnitude 22.03 mag
Solar Elongation 43.73 deg
Galactic Latitude 45.78 deg
Rate 0.537 deg/day
Direction 104.464 deg

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