AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2001YY4 ∴ Summary
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(228572) 2001YY4  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 1.93689 4.938e-09 au
e 0.225756 4.002e-08
i 10.154 6.003e-06 deg
Ω 8.82 2.175e-05 deg
ω 110.91 2.822e-05 deg
M 83.002 1.51e-05 deg

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Other useful info
Absolute Magnitude (H)    17.8 mag
Slope parameter (G)    0.15 mag
Perihelion 1.4996 au
Aphelion 2.3742 au
Asc. node-Earth separation 0.99902 au
Desc. node-Earth separation 0.70261 au
Earth MOID 0.55105 au
Orbital period 984.591 days
Date of orbit computation  feb 22 02:38
Observational summary
Optical observations (Discarded) 519 (3)
Radar observations (Discarded) 0 (0)
Arc length 8770.92 days
Unobserved 567 days

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Ephemeris at epoch 60423 MJD
Right Ascension 251.924 deg
Declination -35.3032 deg
V Magnitude 20.68 mag
Solar Elongation 136.49 deg
Galactic Latitude 6.31 deg
Rate 0.188 deg/day
Direction -130.594 deg

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