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AstDyS ∴ Objects ∴ 1998YU9 ∴ Summary
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(23971) 1998YU9  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.36402 6.463e-09 au
e 0.13443 2.643e-08
i 12.841 3.68e-06 deg
Ω 128.723 1.333e-05 deg
ω 111.232 1.995e-05 deg
M 227.481 1.517e-05 deg

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Other useful info
Absolute Magnitude (H)    13.9 mag
Slope parameter (G)    0.15 mag
Perihelion 2.0462 au
Aphelion 2.6818 au
Asc. node-Earth separation 1.45574 au
Desc. node-Earth separation 1.1987 au
Earth MOID 1.07144 au
Orbital period 1327.62 days
Date of orbit computation  feb 22 01:55
Observational summary
Optical observations (Discarded) 2935 (11)
Radar observations (Discarded) 0 (0)
Arc length 15163.7 days
Unobserved 83 days

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Ephemeris at epoch 60419 MJD
Right Ascension 83.2482 deg
Declination 18.3263 deg
V Magnitude 19.31 mag
Solar Elongation -54.62 deg
Galactic Latitude -8.06 deg
Rate 0.362 deg/day
Direction 78.353 deg

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