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(189428) 1998HB2  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.15051 8.934e-09 au
e 0.204911 4.738e-08
i 4.162 5.058e-06 deg
Ω 143.595 7.874e-05 deg
ω 189.592 8.122e-05 deg
M 335.049 2.47e-05 deg

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Other useful info
Absolute Magnitude (H)    18.1 mag
Slope parameter (G)    0.15 mag
Perihelion 1.7098 au
Aphelion 2.5912 au
Asc. node-Earth separation 1.59497 au
Desc. node-Earth separation 0.70171 au
Earth MOID 0.69948 au
Orbital period 1151.89 days
Date of orbit computation  feb 22 02:30
Observational summary
Optical observations (Discarded) 250 (2)
Radar observations (Discarded) 0 (0)
Arc length 9109.03 days
Unobserved 384 days

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Ephemeris at epoch 60416 MJD
Right Ascension 332.539 deg
Declination -10.0005 deg
V Magnitude 22.19 mag
Solar Elongation 55.24 deg
Galactic Latitude -48.37 deg
Rate 0.623 deg/day
Direction 71.348 deg

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