NEODyS-2

Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 1997WS22 ∴ Summary
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(21374) 1997WS22  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 1.2694 1.639e-09 au
e 0.120577 2.198e-08
i 23.982 8.108e-06 deg
Ω 59.219 5.541e-06 deg
ω 197.191 1.335e-05 deg
M 13.216 1.152e-05 deg

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Other useful info
Absolute Magnitude (H)    17.4 mag
Slope parameter (G)    0.15 mag
Perihelion 1.1163 au
Aphelion 1.4225 au
Asc. node-Earth separation 0.4257 au
Desc. node-Earth separation 0.10823 au
Earth MOID 0.10765 au
Orbital period 522.392 days
Date of orbit computation   Oct 1 21:43
Observational summary
Optical observations (Discarded) 920 (6)
Radar observations (Discarded) 1 (0)
Arc length 15825 days
Unobserved 394 days

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Ephemeris at epoch 58532 MJD
Right Ascension 0.08797 deg
Declination -11.4877 deg
V Magnitude 20.62 mag
Solar Elongation -28.56 deg
Galactic Latitude -70.29 deg
Rate 0.812 deg/day
Direction 57.188 deg

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