AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1998BW ∴ Summary
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(31205) 1998BW  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.86887 1.254e-08 au
e 0.214399 3.422e-08
i 14.07 3.276e-06 deg
Ω 315.665 1.561e-05 deg
ω 268.767 1.759e-05 deg
M 72.974 1.139e-05 deg

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Other useful info
Absolute Magnitude (H)    13.1 mag
Slope parameter (G)    0.15 mag
Perihelion 2.2538 au
Aphelion 3.4839 au
Asc. node-Earth separation 1.73609 au
Desc. node-Earth separation 1.73887 au
Earth MOID 1.29852 au
Orbital period 1774.86 days
Date of orbit computation  apr 23 19:52
Observational summary
Optical observations (Discarded) 2997 (21)
Radar observations (Discarded) 0 (0)
Arc length 26347.4 days
Unobserved 208 days

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Ephemeris at epoch 60425 MJD
Right Ascension 343.292 deg
Declination -4.55874 deg
V Magnitude 18.87 mag
Solar Elongation 52.13 deg
Galactic Latitude -53.89 deg
Rate 0.332 deg/day
Direction 59.313 deg

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