AstDyS-2

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AstDyS ∴ Objects ∴ 1997SL9 ∴ Summary
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(31128) 1997SL9  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.59277 7.849e-09 au
e 0.176238 4.261e-08
i 2.74 4.043e-06 deg
Ω 312.535 9.935e-05 deg
ω 18.823 0.0001001 deg
M 155.972 1.353e-05 deg

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Other useful info
Absolute Magnitude (H)    16.3 mag
Slope parameter (G)    0.15 mag
Perihelion 2.1358 au
Aphelion 3.0497 au
Asc. node-Earth separation 1.13876 au
Desc. node-Earth separation 2.03046 au
Earth MOID 1.12514 au
Orbital period 1524.91 days
Date of orbit computation  feb 22 01:56
Observational summary
Optical observations (Discarded) 823 (7)
Radar observations (Discarded) 0 (0)
Arc length 10585.3 days
Unobserved 79 days

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Ephemeris at epoch 60420 MJD
Right Ascension 120.261 deg
Declination 20.2723 deg
V Magnitude 21.97 mag
Solar Elongation -88.14 deg
Galactic Latitude 24.06 deg
Rate 0.177 deg/day
Direction 103.924 deg

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