NEODyS-2

Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 1998SD9 ∴ Summary
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1998SD9  ▹ 
SUMMARY
Keplerian elements at epoch
58600.0 MJD
Value 1-σ variation Units
a 0.703011 7.25e-10 au
e 0.503942 2.322e-07
i 3.027 1.163e-05 deg
Ω 166.33 3.679e-05 deg
ω 7.053 3.913e-05 deg
M 177.002 7.444e-05 deg

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Other useful info
Absolute Magnitude (H)    23.9 mag
Slope parameter (G)    0.15 mag
Perihelion 0.3487 au
Aphelion 1.0573 au
Asc. node-Earth separation -0.64236 au
Desc. node-Earth separation 0.04158 au
Earth MOID 0.00943 au
Orbital period 215.299 days
Date of orbit computation   May 25 10:41
Observational summary
Optical observations (Discarded) 145 (27)
Radar observations (Discarded) 1 (0)
Arc length 7291 days
Unobserved 292 days

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Ephemeris at epoch 58658 MJD
Right Ascension 64.9038 deg
Declination 20.246 deg
V Magnitude 25.93 mag
Solar Elongation 25.45 deg
Galactic Latitude -20.84 deg
Rate 1.126 deg/day
Direction 80.867 deg

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