NEODyS-2

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1998WB2  ▹ 
SUMMARY
Keplerian elements
(Epoch 58800.0 MJD)
Value 1-σ variation Units
a 1.97564 3.988e-09 au
e 0.587306 3.829e-08
i 2.383 4.977e-06 deg
Ω 52.285 5.181e-05 deg
ω 78.635 5.758e-05 deg
M 179.773 5.687e-06 deg

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Other useful info
Absolute Magnitude (H)    21.8 mag
Slope parameter (G)    0.15 mag
Perihelion distance 0.8153 au
Aphelion distance 3.1359 au
Asc. node-Earth separation 0.17125 au
Desc. node-Earth separation 0.45407 au
Earth MOID 0.01459 au
Orbital period 1014.28 days
Date of orbit computation   Oct 14 15:32
Observational summary
Optical observations (Discarded) 230 (5)
Radar observations (Discarded) 0 (0)
Arc length 4197 days
Unobserved 3440 days

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Ephemeris
(Epoch 58772 MJD)
Right Ascension 291.006 deg
Declination -24.4493 deg
V Magnitude 27.59 mag
Solar Elongation -87 deg
Galactic Latitude -17.67 deg
Rate 0.139 deg/day
Direction 77.321 deg

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