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AstDyS ∴ Objects ∴ 1997ST18 ∴ Summary
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(100610) 1997ST18  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.7677 1.318e-08 au
e 0.080416 4.268e-08
i 0.653 5.185e-06 deg
Ω 22.311 0.0003616 deg
ω 208.819 0.0003629 deg
M 27.705 3.146e-05 deg

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Other useful info
Absolute Magnitude (H)    16.1 mag
Slope parameter (G)    0.15 mag
Perihelion 2.5451 au
Aphelion 2.9903 au
Asc. node-Earth separation 1.96153 au
Desc. node-Earth separation 1.56666 au
Earth MOID 1.53441 au
Orbital period 1681.81 days
Date of orbit computation  feb 22 02:11
Observational summary
Optical observations (Discarded) 634 (4)
Radar observations (Discarded) 0 (0)
Arc length 9413.09 days
Unobserved 264 days

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Ephemeris at epoch 60398 MJD
Right Ascension 287.07 deg
Declination -23.1022 deg
V Magnitude 21.2 mag
Solar Elongation 82.79 deg
Galactic Latitude -13.83 deg
Rate 0.287 deg/day
Direction 84.184 deg

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