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NEODyS ∴ Objects ∴ Rhiannon ∴ Summary
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(16912) Rhiannon  ▹ 
SUMMARY
Keplerian elements at epoch
58600.0 MJD
Value 1-σ variation Units
a 1.75112 9.459e-09 au
e 0.272746 1.026e-07
i 24.521 1.159e-05 deg
Ω 169.207 1.725e-05 deg
ω 221.198 2.569e-05 deg
M 154.162 3.391e-05 deg

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Other useful info
Absolute Magnitude (H)    17.9 mag
Slope parameter (G)    0.15 mag
Perihelion 1.2735 au
Aphelion 2.2287 au
Asc. node-Earth separation 1.0466 au
Desc. node-Earth separation 0.33811 au
Earth MOID 0.32085 au
Orbital period 846.396 days
Date of orbit computation   Jun 10 15:38
Observational summary
Optical observations (Discarded) 194 (4)
Radar observations (Discarded) 0 (0)
Arc length 9738 days
Unobserved 58 days

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Ephemeris at epoch 58659 MJD
Right Ascension 186.171 deg
Declination 16.0413 deg
V Magnitude 22.43 mag
Solar Elongation -86.34 deg
Galactic Latitude 77.29 deg
Rate 0.248 deg/day
Direction 117.699 deg

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