NEODyS-2

Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 1998SD15 ∴ Summary
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(162117) 1998SD15  ▹ 
SUMMARY
Keplerian elements at epoch
58000.0 MJD
Value 1-σ variation Units
a 0.932554 2.797e-10 au
e 0.344832 7.982e-08
i 26.799 7.708e-06 deg
Ω 183.945 2.19e-06 deg
ω 35.842 6.293e-06 deg
M 121.653 1.406e-05 deg

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Other useful info
Absolute Magnitude (H)    19.1 mag
Slope parameter (G)    0.15 mag
Perihelion 0.611 au
Aphelion 1.2541 au
Asc. node-Earth separation -0.35352 au
Desc. node-Earth separation 0.13828 au
Earth MOID 0.11091 au
Orbital period 328.934 days
Date of orbit computation   Oct 18 15:00
Observational summary
Optical observations (Discarded) 524 (32)
Radar observations (Discarded) 0 (0)
Arc length 6964 days
Unobserved 59 days

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Ephemeris at epoch 58103 MJD
Right Ascension 31.5007 deg
Declination -49.5153 deg
V Magnitude 20.32 mag
Solar Elongation -93.83 deg
Galactic Latitude -63.42 deg
Rate 0.256 deg/day
Direction -46.792 deg

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