NEODyS-2

Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 1997WB21 ∴ Summary
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(380128) 1997WB21  ▹ 
SUMMARY
Keplerian elements at epoch
58200.0 MJD
Value 1-σ variation Units
a 1.46064 1.152e-08 au
e 0.3174 1.396e-07
i 3.391 1.304e-05 deg
Ω 281.055 0.000163 deg
ω 81.85 0.0001729 deg
M 213.531 7.598e-05 deg

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Other useful info
Absolute Magnitude (H)    20.3 mag
Slope parameter (G)    0.15 mag
Perihelion 0.997 au
Aphelion 1.9242 au
Asc. node-Earth separation 0.24013 au
Desc. node-Earth separation 0.3916 au
Earth MOID 0.05102 au
Orbital period 644.783 days
Date of orbit computation   Mar 13 15:02
Observational summary
Optical observations (Discarded) 93 (4)
Radar observations (Discarded) 0 (0)
Arc length 6700 days
Unobserved 787 days

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Ephemeris at epoch 58265 MJD
Right Ascension 194.989 deg
Declination -12.5348 deg
V Magnitude 22.35 mag
Solar Elongation -132.94 deg
Galactic Latitude 50.28 deg
Rate 0.193 deg/day
Direction -47.94 deg

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