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(380128) 1997WB21  ▹ 
SUMMARY
Keplerian elements
(Epoch 59000.0 MJD)
Value 1-σ variation Units
a 1.46061 1.224e-09 au
e 0.317353 2.168e-08
i 3.391 3.104e-06 deg
Ω 281.037 3.5e-05 deg
ω 81.841 3.669e-05 deg
M 300.257 4.494e-06 deg

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Other useful info
Absolute Magnitude (H)    20.4 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   Jan 10 13:47
Observational summary
Optical observations (Discarded) 381 (0)
Radar observations (Discarded) 0 (0)
Arc length 8445 days
Unobserved 10 days

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Ephemeris
(Epoch 59233 MJD)
Right Ascension 92.5723 deg
Declination 21.8808 deg
V Magnitude 20.57 mag
Solar Elongation -153.51 deg
Galactic Latitude 1.29 deg
Rate 0.172 deg/day
Direction -113.634 deg

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