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NEODyS ∴ Objects ∴ 1999HP11 ∴ Summary
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(31662) 1999HP11  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 1.59762 1.056e-08 au
e 0.547884 1.245e-07
i 18.814 3.793e-05 deg
Ω 13.968 3.792e-05 deg
ω 311.993 3.689e-05 deg
M 165.108 4.678e-05 deg

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Other useful info
Absolute Magnitude (H)    19.4 mag
Slope parameter (G)    0.15 mag
Perihelion 0.7223 au
Aphelion 2.4729 au
Asc. node-Earth separation -0.18133 au
Desc. node-Earth separation 0.76328 au
Earth MOID 0.12448 au
Orbital period 737.58 days
Date of orbit computation   Oct 1 22:12
Observational summary
Optical observations (Discarded) 65 (3)
Radar observations (Discarded) 0 (0)
Arc length 6576 days
Unobserved 602 days

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Ephemeris at epoch 58435 MJD
Right Ascension 175.154 deg
Declination 15.3365 deg
V Magnitude 24.57 mag
Solar Elongation 61.61 deg
Galactic Latitude 69.76 deg
Rate 0.306 deg/day
Direction 109.99 deg

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