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AstDyS ∴ Objects ∴ 1998SD90 ∴ Summary
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(159397) 1998SD90  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 2.98853 3.274e-08 au
e 0.113692 8.215e-08
i 10.097 7.853e-06 deg
Ω 203.607 3.721e-05 deg
ω 200.218 4.746e-05 deg
M 281.489 3.036e-05 deg

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Other useful info
Absolute Magnitude (H)    15.0 mag
Slope parameter (G)    0.15 mag
Perihelion 2.6488 au
Aphelion 3.3283 au
Asc. node-Earth separation 2.29761 au
Desc. node-Earth separation 1.66882 au
Earth MOID 1.65872 au
Orbital period 1887.06 days
Date of orbit computation  Oct 31 06:37
Observational summary
Optical observations (Discarded) 422 (4)
Radar observations (Discarded) 0 (0)
Arc length 9037.59 days
Unobserved 253 days

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Ephemeris at epoch 58563 MJD
Right Ascension 348.895 deg
Declination 0.18319 deg
V Magnitude 20.47 mag
Solar Elongation 10.95 deg
Galactic Latitude -54.27 deg
Rate 0.422 deg/day
Direction 69.736 deg

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