NEODyS-2

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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 1.638e-09 au
e 0.120542 2.198e-08
i 23.981 8.108e-06 deg
Ω 59.217 5.541e-06 deg
ω 197.227 1.335e-05 deg
M 288.84 1.169e-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   Sep 19 18:03
Observational summary
Optical observations (Discarded) 920 (6)
Radar observations (Discarded) 1 (0)
Arc length 15825 days
Unobserved 633 days

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Ephemeris
(Epoch 58771 MJD)
Right Ascension 180.8 deg
Declination 15.842 deg
V Magnitude 20.57 mag
Solar Elongation 30.35 deg
Galactic Latitude 74.1 deg
Rate 0.828 deg/day
Direction 114.28 deg

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