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AstDyS ∴ Objects ∴ 1999RN117 ∴ Summary
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(20558) 1999RN117  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.77776 1.168e-08 au
e 0.167439 3.404e-08
i 7.751 3.442e-06 deg
Ω 250.665 2.758e-05 deg
ω 92.23 2.94e-05 deg
M 98.764 1.13e-05 deg

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Other useful info
Absolute Magnitude (H)    13.7 mag
Slope parameter (G)    0.15 mag
Perihelion 2.3127 au
Aphelion 3.2429 au
Asc. node-Earth separation 1.7032 au
Desc. node-Earth separation 1.69761 au
Earth MOID 1.3208 au
Orbital period 1690.99 days
Date of orbit computation  feb 22 01:54
Observational summary
Optical observations (Discarded) 2837 (8)
Radar observations (Discarded) 0 (0)
Arc length 12189 days
Unobserved 79 days

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Ephemeris at epoch 60420 MJD
Right Ascension 86.4891 deg
Declination 19.7397 deg
V Magnitude 19.59 mag
Solar Elongation -56.69 deg
Galactic Latitude -4.71 deg
Rate 0.317 deg/day
Direction 89.7 deg

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