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AstDyS ∴ Objects ∴ 2001HY4 ∴ Summary
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(108157) 2001HY4  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.57956 1.605e-08 au
e 0.173398 4.408e-08
i 13.863 4.277e-06 deg
Ω 16.226 2.056e-05 deg
ω 223.916 3.106e-05 deg
M 178.02 3.174e-05 deg

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Other useful info
Absolute Magnitude (H)    15.6 mag
Slope parameter (G)    0.15 mag
Perihelion 2.1323 au
Aphelion 3.0269 au
Asc. node-Earth separation 1.86101 au
Desc. node-Earth separation 1.22354 au
Earth MOID 1.14385 au
Orbital period 1513.27 days
Date of orbit computation  feb 22 02:12
Observational summary
Optical observations (Discarded) 811 (5)
Radar observations (Discarded) 0 (0)
Arc length 9182.01 days
Unobserved 135 days

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Ephemeris at epoch 60419 MJD
Right Ascension 48.6785 deg
Declination 25.9564 deg
V Magnitude 21.49 mag
Solar Elongation -25.22 deg
Galactic Latitude -26.7 deg
Rate 0.356 deg/day
Direction 72.932 deg

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