AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1998SY4 ∴ Summary
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(101173) 1998SY4  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.46494 8.474e-09 au
e 0.217193 4.549e-08
i 2.992 4.789e-06 deg
Ω 114.344 7.464e-05 deg
ω 238.491 7.542e-05 deg
M 224.585 9.862e-06 deg

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Other useful info
Absolute Magnitude (H)    16.3 mag
Slope parameter (G)    0.15 mag
Perihelion 1.9296 au
Aphelion 3.0003 au
Asc. node-Earth separation 1.66567 au
Desc. node-Earth separation 1.09341 au
Earth MOID 0.92612 au
Orbital period 1413.54 days
Date of orbit computation  apr 23 20:09
Observational summary
Optical observations (Discarded) 799 (4)
Radar observations (Discarded) 0 (0)
Arc length 9317.18 days
Unobserved 36 days

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Ephemeris at epoch 60426 MJD
Right Ascension 203.224 deg
Declination -4.79467 deg
V Magnitude 20.3 mag
Solar Elongation -166.56 deg
Galactic Latitude 56.54 deg
Rate 0.234 deg/day
Direction -70.075 deg

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