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1998SD9  ▹ 
SUMMARY
Keplerian elements
(Epoch 59200.0 MJD)
Value 1-σ variation Units
a 0.702786 1.072e-08 au
e 0.504061 3.835e-07
i 3.024 3.897e-05 deg
Ω 166.152 0.0001288 deg
ω 7.259 0.0001441 deg
M 100.241 0.0001133 deg

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Other useful info
Absolute Magnitude (H)    23.9 mag
Slope parameter (G)    0.15 mag
Perihelion distance 0.3485 au
Aphelion distance 1.057 au
Asc. node-Earth separation -0.64325 au
Desc. node-Earth separation 0.04011 au
Earth MOID 0.00909 au
Orbital period 215.195 days
Date of orbit computation   Mar 19 08:41
Observational summary
Optical observations (Discarded) 149 (5)
Radar observations (Discarded) 1 (0)
Arc length 7302 days
Unobserved 1009 days

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Ephemeris
(Epoch 59385 MJD)
Right Ascension 65.4945 deg
Declination 25.4815 deg
V Magnitude 28.62 mag
Solar Elongation 21.01 deg
Galactic Latitude -16.94 deg
Rate 0.902 deg/day
Direction -96.755 deg

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