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 2.162e-09 au
e 0.120526 2.622e-08
i 23.981 9.203e-06 deg
Ω 59.219 6.4e-06 deg
ω 197.213 1.844e-05 deg
M 97.538 1.348e-05 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   Jul 10 22:16
Observational summary
Optical observations (Discarded) 642 (6)
Radar observations (Discarded) 1 (0)
Arc length 14754 days
Unobserved 921 days

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Ephemeris at epoch 57988 MJD
Right Ascension 64.1411 deg
Declination -14.7137 deg
V Magnitude 19.21 mag
Solar Elongation 90.81 deg
Galactic Latitude -40.86 deg
Rate 0.37 deg/day
Direction 76.334 deg

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