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AstDyS ∴ Objects ∴ 1998BU1 ∴ Summary
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(31208) 1998BU1  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.59719 9.355e-09 au
e 0.136581 3.453e-08
i 14.322 3.99e-06 deg
Ω 102.446 1.537e-05 deg
ω 325.054 2.215e-05 deg
M 137.11 1.745e-05 deg

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Other useful info
Absolute Magnitude (H)    14.1 mag
Slope parameter (G)    0.15 mag
Perihelion 2.2425 au
Aphelion 2.9519 au
Asc. node-Earth separation 1.30942 au
Desc. node-Earth separation 1.85345 au
Earth MOID 1.27178 au
Orbital period 1528.81 days
Date of orbit computation  apr 23 19:52
Observational summary
Optical observations (Discarded) 2386 (3)
Radar observations (Discarded) 0 (0)
Arc length 10488.9 days
Unobserved 36 days

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Ephemeris at epoch 60427 MJD
Right Ascension 224.955 deg
Declination 3.19295 deg
V Magnitude 18.32 mag
Solar Elongation 160.11 deg
Galactic Latitude 51.1 deg
Rate 0.227 deg/day
Direction -77.891 deg

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