NEODyS-2

Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 1997WS22 ∴ Summary
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(21374) 1997WS22  ▹ 
SUMMARY
Keplerian elements at epoch
58000.0 MJD
Value 1-σ variation Units
a 1.26943 9.888e-10 au
e 0.120526 1.277e-08
i 23.981 4.957e-06 deg
Ω 59.219 3.348e-06 deg
ω 197.213 7.847e-06 deg
M 97.538 6.968e-06 deg

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Other useful info
Absolute Magnitude (H)    17.3 mag
Slope parameter (G)    0.15 mag
Perihelion 1.1164 au
Aphelion 1.4224 au
Asc. node-Earth separation 0.42674 au
Desc. node-Earth separation 0.11072 au
Earth MOID 0.1101 au
Orbital period 522.411 days
Date of orbit computation   Dec 11 15:27
Observational summary
Optical observations (Discarded) 837 (37)
Radar observations (Discarded) 1 (0)
Arc length 15785 days
Unobserved 1 days

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Ephemeris at epoch 58099 MJD
Right Ascension 31.1084 deg
Declination 19.4015 deg
V Magnitude 18.02 mag
Solar Elongation -135.39 deg
Galactic Latitude -40.22 deg
Rate 0.532 deg/day
Direction -37.86 deg

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