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NEODyS ∴ Objects ∴ Rhiannon ∴ Summary
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(16912) Rhiannon  ▹ 
SUMMARY
Keplerian elements at epoch
58000.0 MJD
Value 1-σ variation Units
a 1.75116 6.244e-09 au
e 0.272737 6.227e-08
i 24.521 6.71e-06 deg
Ω 169.211 1.117e-05 deg
ω 221.217 1.613e-05 deg
M 258.939 1.992e-05 deg

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Other useful info
Absolute Magnitude (H)    17.9 mag
Slope parameter (G)    0.15 mag
Perihelion 1.2736 au
Aphelion 2.2288 au
Asc. node-Earth separation 1.04773 au
Desc. node-Earth separation 0.33856 au
Earth MOID 0.32128 au
Orbital period 846.425 days
Date of orbit computation   Oct 9 17:39
Observational summary
Optical observations (Discarded) 169 (12)
Radar observations (Discarded) 0 (0)
Arc length 9085 days
Unobserved 97 days

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Ephemeris at epoch 58045 MJD
Right Ascension 253.921 deg
Declination -4.2704 deg
V Magnitude 22.14 mag
Solar Elongation -50.12 deg
Galactic Latitude 23.3 deg
Rate 0.551 deg/day
Direction 108.12 deg

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