NEODyS-2

Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 1999YA ∴ Summary
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(331509) 1999YA  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 1.67696 6.263e-09 au
e 0.339071 6.375e-08
i 38.24 1.274e-05 deg
Ω 106.175 1.151e-05 deg
ω 265.565 2.081e-05 deg
M 283.072 1.689e-05 deg

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Other useful info
Absolute Magnitude (H)    18.2 mag
Slope parameter (G)    0.15 mag
Perihelion 1.1084 au
Aphelion 2.2456 au
Asc. node-Earth separation 0.53983 au
Desc. node-Earth separation 0.4287 au
Earth MOID 0.36795 au
Orbital period 793.201 days
Date of orbit computation   Oct 1 22:32
Observational summary
Optical observations (Discarded) 230 (1)
Radar observations (Discarded) 0 (0)
Arc length 6727 days
Unobserved 210 days

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Ephemeris at epoch 58465 MJD
Right Ascension 276.948 deg
Declination -23.7033 deg
V Magnitude 21.53 mag
Solar Elongation -15.71 deg
Galactic Latitude -5.7 deg
Rate 0.696 deg/day
Direction 105.518 deg

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