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AstDyS ∴ Objects ∴ 2001HD18 ∴ Summary
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(178836) 2001HD18  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.42905 1.254e-08 au
e 0.17286 4.073e-08
i 1.54 6.292e-06 deg
Ω 205.574 0.0001604 deg
ω 79.341 0.0001618 deg
M 337.052 1.891e-05 deg

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Other useful info
Absolute Magnitude (H)    17.0 mag
Slope parameter (G)    0.15 mag
Perihelion 2.0092 au
Aphelion 2.8489 au
Asc. node-Earth separation 1.2795 au
Desc. node-Earth separation 1.43955 au
Earth MOID 0.99322 au
Orbital period 1382.78 days
Date of orbit computation  feb 22 02:28
Observational summary
Optical observations (Discarded) 434 (3)
Radar observations (Discarded) 0 (0)
Arc length 9480.99 days
Unobserved 395 days

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Ephemeris at epoch 60418 MJD
Right Ascension 289.127 deg
Declination -20.6935 deg
V Magnitude 20.9 mag
Solar Elongation 100.26 deg
Galactic Latitude -14.6 deg
Rate 0.32 deg/day
Direction 79.314 deg

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