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AstDyS ∴ Objects ∴ 1998AS4 ∴ Summary
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(17730) 1998AS4  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.42794 7.3e-09 au
e 0.137516 3.644e-08
i 11.089 3.136e-06 deg
Ω 303.583 1.661e-05 deg
ω 236.884 1.924e-05 deg
M 286.495 1.033e-05 deg

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Other useful info
Absolute Magnitude (H)    13.1 mag
Slope parameter (G)    0.15 mag
Perihelion 2.0941 au
Aphelion 2.7618 au
Asc. node-Earth separation 1.5602 au
Desc. node-Earth separation 1.23167 au
Earth MOID 1.12206 au
Orbital period 1381.83 days
Date of orbit computation  apr 23 19:49
Observational summary
Optical observations (Discarded) 3889 (12)
Radar observations (Discarded) 0 (0)
Arc length 11530.9 days
Unobserved 48 days

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Ephemeris at epoch 60440 MJD
Right Ascension 86.866 deg
Declination 26.4639 deg
V Magnitude 18.17 mag
Solar Elongation -37.8 deg
Galactic Latitude -0.94 deg
Rate 0.453 deg/day
Direction 94.715 deg

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