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AstDyS ∴ Objects ∴ 1998BL18 ∴ Summary
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(257531) 1998BL18  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.7404 2.412e-08 au
e 0.042809 6.665e-08
i 3.17 6.944e-06 deg
Ω 86.145 0.0001359 deg
ω 0.214 0.0001708 deg
M 311.53 0.0001044 deg

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Other useful info
Absolute Magnitude (H)    17.3 mag
Slope parameter (G)    0.15 mag
Perihelion 2.6231 au
Aphelion 2.8577 au
Asc. node-Earth separation 1.63982 au
Desc. node-Earth separation 1.84171 au
Earth MOID 1.63973 au
Orbital period 1656.99 days
Date of orbit computation  feb 22 02:45
Observational summary
Optical observations (Discarded) 240 (1)
Radar observations (Discarded) 0 (0)
Arc length 9396.02 days
Unobserved 164 days

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Ephemeris at epoch 60397 MJD
Right Ascension 25.2094 deg
Declination 8.45396 deg
V Magnitude 22.68 mag
Solar Elongation -19.06 deg
Galactic Latitude -52.46 deg
Rate 0.427 deg/day
Direction 67.803 deg

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