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AstDyS ∴ Objects ∴ 1998OA9 ∴ Summary
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(55971) 1998OA9  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.13211 7.028e-09 au
e 0.186486 4.28e-08
i 1.918 4.298e-06 deg
Ω 231.547 9.479e-05 deg
ω 112.231 9.574e-05 deg
M 69.699 1.119e-05 deg

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Other useful info
Absolute Magnitude (H)    16.3 mag
Slope parameter (G)    0.15 mag
Perihelion 1.7345 au
Aphelion 2.5297 au
Asc. node-Earth separation 1.20306 au
Desc. node-Earth separation 0.93429 au
Earth MOID 0.7278 au
Orbital period 1137.14 days
Date of orbit computation  feb 22 02:01
Observational summary
Optical observations (Discarded) 1443 (5)
Radar observations (Discarded) 0 (0)
Arc length 9739.12 days
Unobserved 133 days

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Ephemeris at epoch 60418 MJD
Right Ascension 62.4196 deg
Declination 20.3154 deg
V Magnitude 21.08 mag
Solar Elongation -36.15 deg
Galactic Latitude -22.52 deg
Rate 0.517 deg/day
Direction 79.991 deg

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