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AstDyS ∴ Objects ∴ 1998SA7 ∴ Summary
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(20417) 1998SA7  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.70778 1.142e-08 au
e 0.190894 3.857e-08
i 7.17 4.972e-06 deg
Ω 346.067 2.646e-05 deg
ω 228.988 2.909e-05 deg
M 25.716 1.306e-05 deg

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Other useful info
Absolute Magnitude (H)    14.2 mag
Slope parameter (G)    0.15 mag
Perihelion 2.1909 au
Aphelion 3.2247 au
Asc. node-Earth separation 1.97598 au
Desc. node-Earth separation 1.32659 au
Earth MOID 1.193 au
Orbital period 1627.49 days
Date of orbit computation  feb 22 01:54
Observational summary
Optical observations (Discarded) 2138 (7)
Radar observations (Discarded) 0 (0)
Arc length 11434.4 days
Unobserved 322 days

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Ephemeris at epoch 60419 MJD
Right Ascension 286.069 deg
Declination -31.7349 deg
V Magnitude 18.41 mag
Solar Elongation 105.11 deg
Galactic Latitude -16.39 deg
Rate 0.2 deg/day
Direction 99.206 deg

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