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 4.898e-10 au
e 0.344832 2.586e-07
i 26.799 2.358e-05 deg
Ω 183.945 5.195e-06 deg
ω 35.842 1.036e-05 deg
M 121.653 3.394e-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   Jul 10 17:32
Observational summary
Optical observations (Discarded) 496 (8)
Radar observations (Discarded) 0 (0)
Arc length 6642 days
Unobserved 265 days

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Ephemeris at epoch 57986 MJD
Right Ascension 61.1886 deg
Declination 25.8802 deg
V Magnitude 20.43 mag
Solar Elongation 83.73 deg
Galactic Latitude -19.47 deg
Rate 0.638 deg/day
Direction 143.852 deg

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