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AstDyS ∴ Objects ∴ 1998YW18 ∴ Summary
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(145840) 1998YW18  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.47945 1.063e-08 au
e 0.1629 3.236e-08
i 2.254 5.175e-06 deg
Ω 172.902 9.376e-05 deg
ω 251.4 9.569e-05 deg
M 177.619 1.923e-05 deg

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Other useful info
Absolute Magnitude (H)    16.4 mag
Slope parameter (G)    0.15 mag
Perihelion 2.0755 au
Aphelion 2.8833 au
Asc. node-Earth separation 1.55201 au
Desc. node-Earth separation 1.28954 au
Earth MOID 1.09052 au
Orbital period 1426.04 days
Date of orbit computation  feb 22 02:21
Observational summary
Optical observations (Discarded) 761 (2)
Radar observations (Discarded) 0 (0)
Arc length 9973.98 days
Unobserved 285 days

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Ephemeris at epoch 60419 MJD
Right Ascension 261.739 deg
Declination -20.3471 deg
V Magnitude 21.27 mag
Solar Elongation 126.8 deg
Galactic Latitude 8.17 deg
Rate 0.035 deg/day
Direction -56.149 deg

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