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AstDyS ∴ Objects ∴ 1998ST40 ∴ Summary
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(200157) 1998ST40  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.20154 7.739e-09 au
e 0.132819 4.99e-08
i 1.292 5.27e-06 deg
Ω 40.669 0.0001666 deg
ω 164.86 0.0001671 deg
M 81.295 1.354e-05 deg

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Other useful info
Absolute Magnitude (H)    17.5 mag
Slope parameter (G)    0.15 mag
Perihelion 1.9091 au
Aphelion 2.4939 au
Asc. node-Earth separation 1.4897 au
Desc. node-Earth separation 0.90919 au
Earth MOID 0.90507 au
Orbital period 1193.13 days
Date of orbit computation  feb 22 02:33
Observational summary
Optical observations (Discarded) 496 (2)
Radar observations (Discarded) 0 (0)
Arc length 10142.8 days
Unobserved 264 days

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Ephemeris at epoch 60397 MJD
Right Ascension 323.32 deg
Declination -15.5921 deg
V Magnitude 22.43 mag
Solar Elongation 46.89 deg
Galactic Latitude -42.75 deg
Rate 0.466 deg/day
Direction 71.918 deg

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