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(380128) 1997WB21  ▹ 
SUMMARY
Keplerian elements
(Epoch 59000.0 MJD)
Value 1-σ variation Units
a 1.46061 8.186e-09 au
e 0.317353 1.448e-07
i 3.391 1.157e-05 deg
Ω 281.037 0.0001659 deg
ω 81.84 0.0001701 deg
M 300.257 5.431e-05 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 0.39267 au
Earth MOID 0.0513 au
Orbital period 644.763 days
Date of orbit computation   Feb 26 12:45
Observational summary
Optical observations (Discarded) 93 (0)
Radar observations (Discarded) 0 (0)
Arc length 6700 days
Unobserved 1430 days

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Ephemeris
(Epoch 58908 MJD)
Right Ascension 256.47 deg
Declination -26.0342 deg
V Magnitude 23.9 mag
Solar Elongation 81.76 deg
Galactic Latitude 8.93 deg
Rate 0.505 deg/day
Direction 96.25 deg

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