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(39978) 1998HB11  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.56496 1.065e-08 au
e 0.208819 4.635e-08
i 17.75 3.44e-06 deg
Ω 41.026 1.544e-05 deg
ω 259.016 1.688e-05 deg
M 43.76 7.525e-06 deg

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Other useful info
Absolute Magnitude (H)    14.5 mag
Slope parameter (G)    0.15 mag
Perihelion 2.0293 au
Aphelion 3.1006 au
Asc. node-Earth separation 1.56352 au
Desc. node-Earth separation 1.3516 au
Earth MOID 1.09898 au
Orbital period 1500.45 days
Date of orbit computation  feb 22 01:58
Observational summary
Optical observations (Discarded) 2286 (215)
Radar observations (Discarded) 0 (0)
Arc length 9365.74 days
Unobserved 157 days

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Ephemeris at epoch 60420 MJD
Right Ascension 17.9542 deg
Declination 0.6871 deg
V Magnitude 19.3 mag
Solar Elongation 14.7 deg
Galactic Latitude -61.76 deg
Rate 0.492 deg/day
Direction 62.019 deg

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