NEODyS-2

Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 1997WS22 ∴ Summary
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(21374) 1997WS22  ▹ 
SUMMARY
Keplerian elements
(Epoch 58800.0 MJD)
Value 1-σ variation Units
a 1.26935 1.885e-09 au
e 0.120542 2.369e-08
i 23.981 9.351e-06 deg
Ω 59.217 5.748e-06 deg
ω 197.227 1.415e-05 deg
M 288.84 1.261e-05 deg

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Other useful info
Absolute Magnitude (H)    17.4 mag
Slope parameter (G)    0.15 mag
Perihelion distance 1.1163 au
Aphelion distance 1.4224 au
Asc. node-Earth separation 0.42591 au
Desc. node-Earth separation 0.11156 au
Earth MOID 0.11095 au
Orbital period 522.362 days
Date of orbit computation   Nov 8 14:22
Observational summary
Optical observations (Discarded) 920 (1)
Radar observations (Discarded) 1 (0)
Arc length 15825 days
Unobserved 686 days

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Ephemeris
(Epoch 58824 MJD)
Right Ascension 221.927 deg
Declination -4.10783 deg
V Magnitude 20.35 mag
Solar Elongation 35.22 deg
Galactic Latitude 48.01 deg
Rate 0.879 deg/day
Direction 115.984 deg

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