AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1999YY4 ∴ Summary
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(121760) 1999YY4  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 3.13826 2.971e-08 au
e 0.10792 4.903e-08
i 3.247 5.603e-06 deg
Ω 82.316 0.0001153 deg
ω 337.74 0.0001196 deg
M 168.509 3.217e-05 deg

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Other useful info
Absolute Magnitude (H)    14.9 mag
Slope parameter (G)    0.15 mag
Perihelion 2.7996 au
Aphelion 3.4769 au
Asc. node-Earth separation 1.83502 au
Desc. node-Earth separation 2.42916 au
Earth MOID 1.81181 au
Orbital period 2030.63 days
Date of orbit computation  Oct 31 06:13
Observational summary
Optical observations (Discarded) 553 (3)
Radar observations (Discarded) 0 (0)
Arc length 8507.11 days
Unobserved 241 days

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Ephemeris at epoch 58499 MJD
Right Ascension 254.287 deg
Declination -21.842 deg
V Magnitude 21.38 mag
Solar Elongation 39.86 deg
Galactic Latitude 13.03 deg
Rate 0.303 deg/day
Direction 97.061 deg

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