NEODyS-2

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1998WB2  ▹ 
SUMMARY
Keplerian elements at epoch
58000.0 MJD
Value 1-σ variation Units
a 1.97615 3.979e-09 au
e 0.586654 3.803e-08
i 2.384 4.625e-06 deg
Ω 52.333 5.105e-05 deg
ω 78.614 5.716e-05 deg
M 255.955 4.844e-06 deg

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Other useful info
Absolute Magnitude (H)    21.8 mag
Slope parameter (G)    0.15 mag
Perihelion 0.8168 au
Aphelion 3.1355 au
Asc. node-Earth separation 0.17297 au
Desc. node-Earth separation 0.45628 au
Earth MOID 0.01479 au
Orbital period 1014.68 days
Date of orbit computation   Jul 10 17:40
Observational summary
Optical observations (Discarded) 230 (6)
Radar observations (Discarded) 0 (0)
Arc length 4197 days
Unobserved 2656 days

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Ephemeris at epoch 57988 MJD
Right Ascension 342.54 deg
Declination -11.3371 deg
V Magnitude 25.56 mag
Solar Elongation 169.59 deg
Galactic Latitude -57.45 deg
Rate 0.309 deg/day
Direction -113.29 deg

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