AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1998BN18 ∴ Summary
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(257532) 1998BN18  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.82777 2.383e-08 au
e 0.047693 5.761e-08
i 2.99 6.056e-06 deg
Ω 79.109 0.0001211 deg
ω 252.716 0.0001411 deg
M 328.386 7.297e-05 deg

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Other useful info
Absolute Magnitude (H)    16.7 mag
Slope parameter (G)    0.15 mag
Perihelion 2.6929 au
Aphelion 2.9626 au
Asc. node-Earth separation 1.87777 au
Desc. node-Earth separation 1.7668 au
Earth MOID 1.68362 au
Orbital period 1736.86 days
Date of orbit computation  apr 23 20:44
Observational summary
Optical observations (Discarded) 305 (3)
Radar observations (Discarded) 0 (0)
Arc length 9280.99 days
Unobserved 306 days

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Ephemeris at epoch 60425 MJD
Right Ascension 326.421 deg
Declination -15.5632 deg
V Magnitude 22.13 mag
Solar Elongation 71.54 deg
Galactic Latitude -45.49 deg
Rate 0.316 deg/day
Direction 73.64 deg

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