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AstDyS ∴ Objects ∴ 1998HY9 ∴ Summary
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(285256) 1998HY9  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.52215 1.52e-08 au
e 0.158107 5.124e-08
i 14.678 7.793e-06 deg
Ω 45.511 2.155e-05 deg
ω 267.699 3.441e-05 deg
M 84.963 2.725e-05 deg

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Other useful info
Absolute Magnitude (H)    16.9 mag
Slope parameter (G)    0.15 mag
Perihelion 2.1234 au
Aphelion 2.9209 au
Asc. node-Earth separation 1.48468 au
Desc. node-Earth separation 1.43478 au
Earth MOID 1.1703 au
Orbital period 1463.03 days
Date of orbit computation  feb 22 02:50
Observational summary
Optical observations (Discarded) 377 (5)
Radar observations (Discarded) 0 (0)
Arc length 9362.88 days
Unobserved 132 days

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Ephemeris at epoch 60418 MJD
Right Ascension 47.9892 deg
Declination 20.7433 deg
V Magnitude 22.23 mag
Solar Elongation -23.24 deg
Galactic Latitude -31.28 deg
Rate 0.429 deg/day
Direction 69.402 deg

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