NEODyS-2

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1998WB2  ▹ 
SUMMARY
Keplerian elements at epoch
57800.0 MJD
Value 1-σ variation Units
a 1.97597 3.987e-09 au
e 0.586785 3.803e-08
i 2.384 4.625e-06 deg
Ω 52.334 5.106e-05 deg
ω 78.618 5.716e-05 deg
M 184.989 4.647e-06 deg

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Other useful info
Absolute Magnitude (H)    21.8 mag
Slope parameter (G)    0.15 mag
Perihelion 0.8165 au
Aphelion 3.1354 au
Asc. node-Earth separation 0.17284 au
Desc. node-Earth separation 0.45475 au
Earth MOID 0.01473 au
Orbital period 1014.54 days
Date of orbit computation   Nov 18 11:32
Observational summary
Optical observations (Discarded) 230 (6)
Radar observations (Discarded) 0 (0)
Arc length 4197 days
Unobserved 2541 days

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Ephemeris at epoch 57873 MJD
Right Ascension 340.336 deg
Declination -10.6117 deg
V Magnitude 27.76 mag
Solar Elongation 61.78 deg
Galactic Latitude -55.24 deg
Rate 0.25 deg/day
Direction 69.86 deg

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