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AstDyS ∴ Objects ∴ Ruth ∴ Summary
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(798) Ruth  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.01791 7.309e-09 au
e 0.034714 2.22e-08
i 9.24 3.04e-06 deg
Ω 214.236 1.513e-05 deg
ω 47.306 5.167e-05 deg
M 128.891 4.961e-05 deg

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Other useful info
Absolute Magnitude (H)    9.8 mag
Slope parameter (G)    0.15 mag
Perihelion 2.9131 au
Aphelion 3.1227 au
Asc. node-Earth separation 1.93903 au
Desc. node-Earth separation 2.09402 au
Earth MOID 1.90758 au
Orbital period 1914.95 days
Date of orbit computation  feb 22 01:50
Observational summary
Optical observations (Discarded) 7225 (42)
Radar observations (Discarded) 0 (0)
Arc length 52489.3 days
Unobserved 77 days

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Ephemeris at epoch 60419 MJD
Right Ascension 32.7556 deg
Declination 12.8644 deg
V Magnitude 15.53 mag
Solar Elongation -5.84 deg
Galactic Latitude -45.59 deg
Rate 0.373 deg/day
Direction 73.781 deg

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