NEODyS-2

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(21374) 1997WS22  ▹ 
SUMMARY
Keplerian elements
(Epoch 59000.0 MJD)
Value 1-σ variation Units
a 1.26939 1.881e-09 au
e 0.120585 2.366e-08
i 23.981 9.326e-06 deg
Ω 59.215 5.723e-06 deg
ω 197.206 1.406e-05 deg
M 66.691 1.268e-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 1.4225 au
Asc. node-Earth separation 0.42647 au
Desc. node-Earth separation 0.10971 au
Earth MOID 0.10913 au
Orbital period 522.387 days
Date of orbit computation   Oct 22 15:18
Observational summary
Optical observations (Discarded) 942 (1)
Radar observations (Discarded) 1 (0)
Arc length 16830 days
Unobserved 6 days

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Ephemeris
(Epoch 59148 MJD)
Right Ascension 112.479 deg
Declination 27.7157 deg
V Magnitude 19.37 mag
Solar Elongation 102.79 deg
Galactic Latitude 20.1 deg
Rate 0.561 deg/day
Direction 47.028 deg

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