NEODyS-2

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NEODyS ∴ Objects ∴ 1997WB21 ∴ Summary
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(380128) 1997WB21  ▹ 
SUMMARY
Keplerian elements at epoch
58000.0 MJD
Value 1-σ variation Units
a 1.46046 6.76e-09 au
e 0.317573 8.202e-08
i 3.391 7.555e-06 deg
Ω 281.071 9.659e-05 deg
ω 81.83 0.0001026 deg
M 101.858 4.409e-05 deg

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Other useful info
Absolute Magnitude (H)    20.3 mag
Slope parameter (G)    0.15 mag
Perihelion 0.9967 au
Aphelion 1.9243 au
Asc. node-Earth separation 0.24002 au
Desc. node-Earth separation 0.39327 au
Earth MOID 0.05101 au
Orbital period 644.666 days
Date of orbit computation   Oct 9 22:18
Observational summary
Optical observations (Discarded) 93 (5)
Radar observations (Discarded) 0 (0)
Arc length 6700 days
Unobserved 567 days

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Ephemeris at epoch 58045 MJD
Right Ascension 170.915 deg
Declination 1.85493 deg
V Magnitude 24.56 mag
Solar Elongation 34.68 deg
Galactic Latitude 57.12 deg
Rate 0.534 deg/day
Direction 114.727 deg

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