NEODyS-2

Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 1998SD9 ∴ Summary
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1998SD9  ▹ 
SUMMARY
Keplerian elements at epoch
58200.0 MJD
Value 1-σ variation Units
a 0.702429 7.649e-09 au
e 0.504727 5.297e-07
i 2.917 2.48e-05 deg
Ω 166.771 3.191e-05 deg
ω 6.561 9.812e-05 deg
M 227.909 0.0001375 deg

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Other useful info
Absolute Magnitude (H)    24.1 mag
Slope parameter (G)    0.15 mag
Perihelion 0.3479 au
Aphelion 1.057 au
Asc. node-Earth separation -0.64388 au
Desc. node-Earth separation 0.04231 au
Earth MOID 0.00947 au
Orbital period 215.031 days
Date of orbit computation   Mar 13 09:53
Observational summary
Optical observations (Discarded) 72 (2)
Radar observations (Discarded) 0 (0)
Arc length 3644 days
Unobserved 3572 days

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Ephemeris at epoch 58290 MJD
Right Ascension 111.383 deg
Declination 23.4731 deg
V Magnitude 26.5 mag
Solar Elongation -20.25 deg
Galactic Latitude 17.62 deg
Rate 0.684 deg/day
Direction 86.736 deg

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