NEODyS-2

Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 1998SD9 ∴ Summary
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1998SD9  ▹ 
SUMMARY
Keplerian elements at epoch
58000.0 MJD
Value 1-σ variation Units
a 0.70244 4.959e-09 au
e 0.504735 3.368e-07
i 2.917 1.661e-05 deg
Ω 166.771 2.184e-05 deg
ω 6.563 6.33e-05 deg
M 253.07 9.067e-05 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 -0.64223 au
Desc. node-Earth separation 0.04287 au
Earth MOID 0.00954 au
Orbital period 215.037 days
Date of orbit computation   Oct 9 17:45
Observational summary
Optical observations (Discarded) 72 (8)
Radar observations (Discarded) 0 (0)
Arc length 3644 days
Unobserved 3327 days

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Ephemeris at epoch 58045 MJD
Right Ascension 175.172 deg
Declination 0.33522 deg
V Magnitude 25.41 mag
Solar Elongation 30.16 deg
Galactic Latitude 58.27 deg
Rate 1.809 deg/day
Direction 110.743 deg

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