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 1.201e-09 au
e 0.120526 1.508e-08
i 23.981 5.234e-06 deg
Ω 59.219 3.965e-06 deg
ω 197.213 1.011e-05 deg
M 97.538 7.777e-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   Oct 18 15:02
Observational summary
Optical observations (Discarded) 692 (33)
Radar observations (Discarded) 1 (0)
Arc length 15731 days
Unobserved 4 days

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Ephemeris at epoch 58047 MJD
Right Ascension 65.9623 deg
Declination -6.60912 deg
V Magnitude 17.67 mag
Solar Elongation 136.26 deg
Galactic Latitude -35.68 deg
Rate 0.575 deg/day
Direction -56.49 deg

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