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AstDyS ∴ Objects ∴ 1998SD177 ∴ Summary
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(399323) 1998SD177  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.12482 3.481e-08 au
e 0.177432 6.444e-08
i 18.256 8.488e-06 deg
Ω 182.064 1.803e-05 deg
ω 213.225 3.301e-05 deg
M 202.371 2.294e-05 deg

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Other useful info
Absolute Magnitude (H)    16.5 mag
Slope parameter (G)    0.15 mag
Perihelion 2.5704 au
Aphelion 3.6793 au
Asc. node-Earth separation 2.55746 au
Desc. node-Earth separation 1.63302 au
Earth MOID 1.59279 au
Orbital period 2017.6 days
Date of orbit computation  apr 23 21:14
Observational summary
Optical observations (Discarded) 264 (1)
Radar observations (Discarded) 0 (0)
Arc length 8943.15 days
Unobserved 407 days

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Ephemeris at epoch 60426 MJD
Right Ascension 241.684 deg
Declination -1.1938 deg
V Magnitude 22.02 mag
Solar Elongation 149.62 deg
Galactic Latitude 35.19 deg
Rate 0.173 deg/day
Direction -51.705 deg

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