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AstDyS ∴ Objects ∴ 1998BC31 ∴ Summary
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(356988) 1998BC31  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.37649 1.446e-08 au
e 0.066391 6.605e-08
i 1.527 6.39e-06 deg
Ω 144.988 0.0002454 deg
ω 346.085 0.0002545 deg
M 51.483 6.498e-05 deg

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Other useful info
Absolute Magnitude (H)    18.3 mag
Slope parameter (G)    0.15 mag
Perihelion 2.2187 au
Aphelion 2.5343 au
Asc. node-Earth separation 1.23563 au
Desc. node-Earth separation 1.5171 au
Earth MOID 1.2337 au
Orbital period 1338.15 days
Date of orbit computation  feb 22 03:05
Observational summary
Optical observations (Discarded) 175 (1)
Radar observations (Discarded) 0 (0)
Arc length 9575.11 days
Unobserved 508 days

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Ephemeris at epoch 60418 MJD
Right Ascension 184.011 deg
Declination 0.40571 deg
V Magnitude 21.38 mag
Solar Elongation -155.33 deg
Galactic Latitude 61.96 deg
Rate 0.18 deg/day
Direction -66.244 deg

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