AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1998SY7 ∴ Summary
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(439847) 1998SY7  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.20837 2.236e-08 au
e 0.204353 9.163e-08
i 0.573 8.735e-06 deg
Ω 50.842 0.0007891 deg
ω 311.356 0.0007893 deg
M 161.019 1.714e-05 deg

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Other useful info
Absolute Magnitude (H)    16.5 mag
Slope parameter (G)    0.15 mag
Perihelion 2.5527 au
Aphelion 3.864 au
Asc. node-Earth separation 1.7176 au
Desc. node-Earth separation 2.54798 au
Earth MOID 1.55013 au
Orbital period 2099.06 days
Date of orbit computation  apr 23 21:23
Observational summary
Optical observations (Discarded) 210 (1)
Radar observations (Discarded) 0 (0)
Arc length 9335.03 days
Unobserved 38 days

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Ephemeris at epoch 60426 MJD
Right Ascension 161.613 deg
Declination 8.42131 deg
V Magnitude 22.74 mag
Solar Elongation -123.92 deg
Galactic Latitude 55.03 deg
Rate 0.037 deg/day
Direction -72.569 deg

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