AstDyS-2

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AstDyS ∴ Objects ∴ 1998BC ∴ Summary
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(90997) 1998BC  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.48837 9.348e-09 au
e 0.035371 3.817e-08
i 8.048 3.939e-06 deg
Ω 328.998 2.806e-05 deg
ω 262.639 6.845e-05 deg
M 131.388 6.283e-05 deg

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Other useful info
Absolute Magnitude (H)    15.0 mag
Slope parameter (G)    0.15 mag
Perihelion 2.4004 au
Aphelion 2.5764 au
Asc. node-Earth separation 1.48552 au
Desc. node-Earth separation 1.48608 au
Earth MOID 1.40612 au
Orbital period 1433.74 days
Date of orbit computation  feb 22 02:09
Observational summary
Optical observations (Discarded) 1576 (6)
Radar observations (Discarded) 0 (0)
Arc length 9453.59 days
Unobserved 134 days

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Ephemeris at epoch 60419 MJD
Right Ascension 12.8048 deg
Declination 9.68079 deg
V Magnitude 20.17 mag
Solar Elongation 14.09 deg
Galactic Latitude -53.19 deg
Rate 0.444 deg/day
Direction 64.366 deg

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