AstDyS-2

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AstDyS ∴ Objects ∴ 1997WS22 ∴ Summary
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(21374) 1997WS22  ▹ 
SUMMARY

Warning: This object is a Near Earth Asteroid. You can have more detailed information looking at
its home page on the NEODyS web site

Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 1.26941 1.328e-09 au
e 0.120664 2.074e-08
i 23.982 3.901e-06 deg
Ω 59.199 3.937e-06 deg
ω 197.218 1.06e-05 deg
M 311.484 1.217e-05 deg

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Other useful info
Absolute Magnitude (H)    17.5 mag
Slope parameter (G)    0.15 mag
Perihelion 1.1162 au
Aphelion 1.4226 au
Asc. node-Earth separation 0.42686 au
Desc. node-Earth separation 0.10962 au
Earth MOID 0.10902 au
Orbital period 522.399 days
Date of orbit computation  feb 22 01:54
Observational summary
Optical observations (Discarded) 1415 (6)
Radar observations (Discarded) 1 (0)
Arc length 18027.9 days
Unobserved 77 days

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Ephemeris at epoch 60419 MJD
Right Ascension 254.287 deg
Declination 31.7891 deg
V Magnitude 16.76 mag
Solar Elongation 117.67 deg
Galactic Latitude 37.01 deg
Rate 0.386 deg/day
Direction -161.38 deg

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