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AstDyS ∴ Objects ∴ 2001WH18 ∴ Summary
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(219681) 2001WH18  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.57531 2.194e-08 au
e 0.156828 9.933e-08
i 3.629 7.003e-06 deg
Ω 228.317 0.0001359 deg
ω 111.461 0.000138 deg
M 197.471 2.345e-05 deg

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Other useful info
Absolute Magnitude (H)    16.8 mag
Slope parameter (G)    0.15 mag
Perihelion 2.1714 au
Aphelion 2.9792 au
Asc. node-Earth separation 1.65489 au
Desc. node-Earth separation 1.3866 au
Earth MOID 1.16591 au
Orbital period 1509.53 days
Date of orbit computation  feb 22 02:37
Observational summary
Optical observations (Discarded) 221 (1)
Radar observations (Discarded) 0 (0)
Arc length 7734.95 days
Unobserved 458 days

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Ephemeris at epoch 60398 MJD
Right Ascension 164.083 deg
Declination 2.0165 deg
V Magnitude 21.3 mag
Solar Elongation -155.72 deg
Galactic Latitude 52.72 deg
Rate 0.194 deg/day
Direction -61.285 deg

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