AstDyS-2

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AstDyS ∴ Objects ∴ 1997WS4 ∴ Summary
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(90957) 1997WS4  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.42312 1.097e-08 au
e 0.129553 4.16e-08
i 6.941 4.904e-06 deg
Ω 49.398 4.509e-05 deg
ω 234.686 5.073e-05 deg
M 106.096 2.471e-05 deg

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Other useful info
Absolute Magnitude (H)    15.9 mag
Slope parameter (G)    0.15 mag
Perihelion 2.1092 au
Aphelion 2.737 au
Asc. node-Earth separation 1.58605 au
Desc. node-Earth separation 1.20673 au
Earth MOID 1.10167 au
Orbital period 1377.72 days
Date of orbit computation  apr 23 20:06
Observational summary
Optical observations (Discarded) 879 (8)
Radar observations (Discarded) 0 (0)
Arc length 9533.77 days
Unobserved 161 days

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Ephemeris at epoch 60449 MJD
Right Ascension 53.3725 deg
Declination 19.6802 deg
V Magnitude 20.93 mag
Solar Elongation 2.41 deg
Galactic Latitude -28.92 deg
Rate 0.43 deg/day
Direction 73.667 deg

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