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AstDyS ∴ Objects ∴ 1998WB40 ∴ Summary
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(101487) 1998WB40  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.35712 9.126e-09 au
e 0.340379 3.921e-08
i 22.899 6.698e-06 deg
Ω 60.827 1.238e-05 deg
ω 267.699 1.538e-05 deg
M 52.571 9.926e-06 deg

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Other useful info
Absolute Magnitude (H)    16.1 mag
Slope parameter (G)    0.15 mag
Perihelion 1.5548 au
Aphelion 3.1594 au
Asc. node-Earth separation 1.12608 au
Desc. node-Earth separation 1.04368 au
Earth MOID 0.72976 au
Orbital period 1321.82 days
Date of orbit computation  feb 22 02:11
Observational summary
Optical observations (Discarded) 734 (13)
Radar observations (Discarded) 0 (0)
Arc length 9150.43 days
Unobserved 141 days

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Ephemeris at epoch 60420 MJD
Right Ascension 51.6627 deg
Declination 20.1816 deg
V Magnitude 20.91 mag
Solar Elongation -24.34 deg
Galactic Latitude -29.58 deg
Rate 0.505 deg/day
Direction 66.43 deg

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