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(380128) 1997WB21  ▹ 
SUMMARY
Keplerian elements
(Epoch 60600.0 MJD)
Value 1-σ variation Units
a 1.45961 1.315e-09 au
e 0.317081 2.134e-08
i 3.391 3.073e-06 deg
Ω 280.949 3.467e-05 deg
ω 81.981 3.626e-05 deg
M 114.348 4.695e-06 deg

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Other useful info
Absolute Magnitude (H)    20.4 mag
Slope parameter (G)    0.15 mag
Perihelion distance 0.9968 au
Aphelion distance 1.9224 au
Asc. node-Earth separation 0.24108 au
Desc. node-Earth separation 0.39181 au
Earth MOID 0.05116 au
Orbital period 644.102 days
Date of orbit computation   Jul 29 14:09
Observational summary
Optical observations (Discarded) 404 (1)
Radar observations (Discarded) 0 (0)
Arc length 9238 days
Unobserved 564 days

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Ephemeris
(Epoch 60580 MJD)
Right Ascension 155.574 deg
Declination 8.71006 deg
V Magnitude 24.37 mag
Solar Elongation 29.88 deg
Galactic Latitude 50.26 deg
Rate 0.576 deg/day
Direction 112.911 deg

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