NEODyS-2

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1998WB2  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 1.97625 3.932e-09 au
e 0.586602 3.801e-08
i 2.384 4.625e-06 deg
Ω 52.335 5.105e-05 deg
ω 78.609 5.716e-05 deg
M 37.863 5.235e-06 deg

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Other useful info
Absolute Magnitude (H)    21.8 mag
Slope parameter (G)    0.15 mag
Perihelion 0.817 au
Aphelion 3.1355 au
Asc. node-Earth separation 0.17284 au
Desc. node-Earth separation 0.45292 au
Earth MOID 0.01473 au
Orbital period 1014.75 days
Date of orbit computation   Oct 1 16:41
Observational summary
Optical observations (Discarded) 230 (6)
Radar observations (Discarded) 0 (0)
Arc length 4197 days
Unobserved 3138 days

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Ephemeris at epoch 58470 MJD
Right Ascension 262.275 deg
Declination -24.0449 deg
V Magnitude 26 mag
Solar Elongation 2.91 deg
Galactic Latitude 5.74 deg
Rate 0.495 deg/day
Direction 93.909 deg

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