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 7.617e-09 au
e 0.504735 5.297e-07
i 2.917 2.48e-05 deg
Ω 166.771 3.191e-05 deg
ω 6.563 9.81e-05 deg
M 253.07 0.0001428 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   Jul 10 17:40
Observational summary
Optical observations (Discarded) 72 (2)
Radar observations (Discarded) 0 (0)
Arc length 3644 days
Unobserved 3271 days

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Ephemeris at epoch 57989 MJD
Right Ascension 84.4413 deg
Declination 21.5262 deg
V Magnitude 25.92 mag
Solar Elongation 65.98 deg
Galactic Latitude -5.41 deg
Rate 1.165 deg/day
Direction 90.129 deg

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