NEODyS-2

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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 6.773e-09 au
e 0.3174 8.201e-08
i 3.391 7.556e-06 deg
Ω 281.055 9.658e-05 deg
ω 81.85 0.0001026 deg
M 213.531 4.487e-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   Feb 5 17:15
Observational summary
Optical observations (Discarded) 93 (5)
Radar observations (Discarded) 0 (0)
Arc length 6700 days
Unobserved 697 days

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Ephemeris at epoch 58175 MJD
Right Ascension 217.527 deg
Declination -20.1955 deg
V Magnitude 23.45 mag
Solar Elongation 115.33 deg
Galactic Latitude 36.99 deg
Rate 0.112 deg/day
Direction 131.441 deg

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