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AstDyS ∴ Objects ∴ 1999YA4 ∴ Summary
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(192917) 1999YA4  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.781 1.387e-08 au
e 0.193574 6.426e-08
i 25.596 8.68e-06 deg
Ω 347.857 1.07e-05 deg
ω 52.113 2.715e-05 deg
M 120.759 2.047e-05 deg

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Other useful info
Absolute Magnitude (H)    15.1 mag
Slope parameter (G)    0.15 mag
Perihelion 2.2427 au
Aphelion 3.3193 au
Asc. node-Earth separation 1.38605 au
Desc. node-Earth separation 2.04544 au
Earth MOID 1.31239 au
Orbital period 1693.95 days
Date of orbit computation  Jun 5 01:18
Observational summary
Optical observations (Discarded) 803 (6)
Radar observations (Discarded) 0 (0)
Arc length 8903.89 days
Unobserved 41 days

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Ephemeris at epoch 60478 MJD
Right Ascension 166.555 deg
Declination -4.55166 deg
V Magnitude 21.04 mag
Solar Elongation -83.54 deg
Galactic Latitude 49.39 deg
Rate 0.175 deg/day
Direction 120.214 deg

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