AstDyS-2

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AstDyS ∴ Objects ∴ 1998SW31 ∴ Summary
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(120904) 1998SW31  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.02594 2.094e-08 au
e 0.027191 5.728e-08
i 0.899 5.625e-06 deg
Ω 207.211 0.0003052 deg
ω 331.53 0.0003172 deg
M 119.145 8.909e-05 deg

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Other useful info
Absolute Magnitude (H)    15.8 mag
Slope parameter (G)    0.15 mag
Perihelion 2.9437 au
Aphelion 3.1082 au
Asc. node-Earth separation 1.94926 au
Desc. node-Earth separation 2.10279 au
Earth MOID 1.94623 au
Orbital period 1922.6 days
Date of orbit computation  feb 22 02:15
Observational summary
Optical observations (Discarded) 497 (4)
Radar observations (Discarded) 0 (0)
Arc length 9063.97 days
Unobserved 304 days

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Ephemeris at epoch 60420 MJD
Right Ascension 323.968 deg
Declination -13.4309 deg
V Magnitude 21.72 mag
Solar Elongation 68.2 deg
Galactic Latitude -42.46 deg
Rate 0.275 deg/day
Direction 70.631 deg

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