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AstDyS ∴ Objects ∴ 1998YQ9 ∴ Summary
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(15995) 1998YQ9  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 2.26992 1.05e-08 au
e 0.118231 4.32e-08
i 2.311 4.555e-06 deg
Ω 244.485 0.0001325 deg
ω 330.748 0.0001345 deg
M 190.309 2.493e-05 deg

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Other useful info
Absolute Magnitude (H)    14.5 mag
Slope parameter (G)    0.15 mag
Perihelion 2.0015 au
Aphelion 2.5383 au
Asc. node-Earth separation 1.01454 au
Desc. node-Earth separation 1.50825 au
Earth MOID 0.99338 au
Orbital period 1249.15 days
Date of orbit computation  Dec 20 14:15
Observational summary
Optical observations (Discarded) 1267 (9)
Radar observations (Discarded) 0 (0)
Arc length 8248.12 days
Unobserved 182 days

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Ephemeris at epoch 58580 MJD
Right Ascension 65.8512 deg
Declination 20.8644 deg
V Magnitude 19.67 mag
Solar Elongation -50.89 deg
Galactic Latitude -19.77 deg
Rate 0.399 deg/day
Direction 81.395 deg

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