AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1998SY91 ∴ Summary
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(52910) 1998SY91  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 2.27677 1.184e-08 au
e 0.123073 5.172e-08
i 3.045 4.971e-06 deg
Ω 266.624 0.0001062 deg
ω 120.46 0.0001096 deg
M 284.304 2.791e-05 deg

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Other useful info
Absolute Magnitude (H)    16.1 mag
Slope parameter (G)    0.15 mag
Perihelion 1.9966 au
Aphelion 2.557 au
Asc. node-Earth separation 1.37396 au
Desc. node-Earth separation 1.12624 au
Earth MOID 1.00244 au
Orbital period 1254.81 days
Date of orbit computation  Oct 31 05:30
Observational summary
Optical observations (Discarded) 638 (4)
Radar observations (Discarded) 0 (0)
Arc length 14556.6 days
Unobserved 659 days

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Ephemeris at epoch 58561 MJD
Right Ascension 352.111 deg
Declination -1.18976 deg
V Magnitude 20.31 mag
Solar Elongation 5.91 deg
Galactic Latitude -57.3 deg
Rate 0.565 deg/day
Direction 66.597 deg

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