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AstDyS ∴ Objects ∴ 1990BL1 ∴ Summary
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(15717) 1990BL1  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 2.61961 1.036e-08 au
e 0.159335 3.784e-08
i 12.922 5.563e-06 deg
Ω 177.131 1.661e-05 deg
ω 258.706 2.366e-05 deg
M 310.659 1.68e-05 deg

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Other useful info
Absolute Magnitude (H)    13.4 mag
Slope parameter (G)    0.15 mag
Perihelion 2.2022 au
Aphelion 3.037 au
Asc. node-Earth separation 1.6384 au
Desc. node-Earth separation 1.47147 au
Earth MOID 1.25792 au
Orbital period 1548.65 days
Date of orbit computation  Dec 20 14:15
Observational summary
Optical observations (Discarded) 1700 (12)
Radar observations (Discarded) 0 (0)
Arc length 12884.6 days
Unobserved 186 days

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Ephemeris at epoch 58580 MJD
Right Ascension 50.0344 deg
Declination 9.15823 deg
V Magnitude 18.33 mag
Solar Elongation -34.47 deg
Galactic Latitude -38.87 deg
Rate 0.505 deg/day
Direction 75.058 deg

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