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AstDyS ∴ Objects ∴ 1999JL49 ∴ Summary
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(31708) 1999JL49  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.67598 8.974e-09 au
e 0.222552 3.083e-08
i 6.025 3.4e-06 deg
Ω 224.337 3.213e-05 deg
ω 2.053 3.303e-05 deg
M 246.295 7.639e-06 deg

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Other useful info
Absolute Magnitude (H)    14.5 mag
Slope parameter (G)    0.15 mag
Perihelion 2.0804 au
Aphelion 3.2715 au
Asc. node-Earth separation 1.07207 au
Desc. node-Earth separation 2.28062 au
Earth MOID 1.07107 au
Orbital period 1598.9 days
Date of orbit computation  feb 22 01:56
Observational summary
Optical observations (Discarded) 2028 (12)
Radar observations (Discarded) 0 (0)
Arc length 11788.1 days
Unobserved 98 days

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Ephemeris at epoch 60419 MJD
Right Ascension 79.5035 deg
Declination 19.0964 deg
V Magnitude 20.48 mag
Solar Elongation -51.08 deg
Galactic Latitude -10.62 deg
Rate 0.31 deg/day
Direction 85.278 deg

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