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AstDyS ∴ Objects ∴ 1998SD122 ∴ Summary
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(22731) 1998SD122  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.05083 1.498e-08 au
e 0.039811 3.74e-08
i 8.86 4.077e-06 deg
Ω 217.384 2.107e-05 deg
ω 11.625 5.02e-05 deg
M 70.693 4.7e-05 deg

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Other useful info
Absolute Magnitude (H)    13.2 mag
Slope parameter (G)    0.15 mag
Perihelion 2.9294 au
Aphelion 3.1723 au
Asc. node-Earth separation 1.9249 au
Desc. node-Earth separation 2.1775 au
Earth MOID 1.9202 au
Orbital period 1946.37 days
Date of orbit computation  apr 23 19:50
Observational summary
Optical observations (Discarded) 2756 (7)
Radar observations (Discarded) 0 (0)
Arc length 11812.8 days
Unobserved 222 days

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Ephemeris at epoch 60425 MJD
Right Ascension 326.383 deg
Declination -4.76407 deg
V Magnitude 19.12 mag
Solar Elongation 68.2 deg
Galactic Latitude -40.44 deg
Rate 0.283 deg/day
Direction 64.088 deg

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