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AstDyS ∴ Objects ∴ 1998BB20 ∴ Summary
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(316721) 1998BB20  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.67955 1.869e-08 au
e 0.089868 5.705e-08
i 2.752 7.415e-06 deg
Ω 292.27 0.0001334 deg
ω 120.058 0.0001413 deg
M 45.902 4.602e-05 deg

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Other useful info
Absolute Magnitude (H)    17.2 mag
Slope parameter (G)    0.15 mag
Perihelion 2.4387 au
Aphelion 2.9204 au
Asc. node-Earth separation 1.7665 au
Desc. node-Earth separation 1.56075 au
Earth MOID 1.45135 au
Orbital period 1602.1 days
Date of orbit computation  feb 22 02:57
Observational summary
Optical observations (Discarded) 231 (2)
Radar observations (Discarded) 0 (0)
Arc length 9976.02 days
Unobserved 103 days

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Ephemeris at epoch 60419 MJD
Right Ascension 90.6946 deg
Declination 23.492 deg
V Magnitude 22.5 mag
Solar Elongation -61.54 deg
Galactic Latitude 0.56 deg
Rate 0.372 deg/day
Direction 91.95 deg

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