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(380128) 1997WB21  ▹ 
SUMMARY
Keplerian elements
(Epoch 59000.0 MJD)
Value 1-σ variation Units
a 1.46061 1.654e-09 au
e 0.317353 5.888e-08
i 3.391 5.597e-06 deg
Ω 281.037 5.228e-05 deg
ω 81.841 5.527e-05 deg
M 300.257 7.268e-06 deg

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Other useful info
Absolute Magnitude (H)    20.3 mag
Slope parameter (G)    0.15 mag
Perihelion distance 0.9971 au
Aphelion distance 1.9241 au
Asc. node-Earth separation 0.24017 au
Desc. node-Earth separation 0.39266 au
Earth MOID 0.0513 au
Orbital period 644.763 days
Date of orbit computation   Aug 13 14:30
Observational summary
Optical observations (Discarded) 259 (0)
Radar observations (Discarded) 0 (0)
Arc length 8295 days
Unobserved 2 days

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Ephemeris
(Epoch 59076 MJD)
Right Ascension 31.7055 deg
Declination 35.8142 deg
V Magnitude 18.38 mag
Solar Elongation 99.51 deg
Galactic Latitude -24.59 deg
Rate 2.22 deg/day
Direction 64.62 deg

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