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AstDyS ∴ Objects ∴ 1997WQ9 ∴ Summary
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(31160) 1997WQ9  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.38331 5.716e-09 au
e 0.179246 2.946e-08
i 2.275 3.731e-06 deg
Ω 177.503 7.952e-05 deg
ω 255.316 8.038e-05 deg
M 45.434 1.08e-05 deg

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Other useful info
Absolute Magnitude (H)    15.3 mag
Slope parameter (G)    0.15 mag
Perihelion 1.9561 au
Aphelion 2.8105 au
Asc. node-Earth separation 1.42138 au
Desc. node-Earth separation 1.20286 au
Earth MOID 0.97269 au
Orbital period 1343.91 days
Date of orbit computation  apr 23 19:52
Observational summary
Optical observations (Discarded) 2067 (13)
Radar observations (Discarded) 0 (0)
Arc length 15122.4 days
Unobserved 39 days

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Ephemeris at epoch 60425 MJD
Right Ascension 117.975 deg
Declination 19.5974 deg
V Magnitude 19.8 mag
Solar Elongation -81.29 deg
Galactic Latitude 21.81 deg
Rate 0.381 deg/day
Direction 98.049 deg

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