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NEODyS ∴ Objects ∴ 1999HP11 ∴ Summary
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(31662) 1999HP11  ▹ 
SUMMARY
Keplerian elements at epoch
58600.0 MJD
Value 1-σ variation Units
a 1.59761 1.046e-08 au
e 0.547935 1.245e-07
i 18.814 3.793e-05 deg
Ω 13.967 3.792e-05 deg
ω 311.99 3.689e-05 deg
M 262.74 4.762e-05 deg

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Other useful info
Absolute Magnitude (H)    19.4 mag
Slope parameter (G)    0.15 mag
Perihelion 0.7222 au
Aphelion 2.473 au
Asc. node-Earth separation -0.18149 au
Desc. node-Earth separation 0.76507 au
Earth MOID 0.12448 au
Orbital period 737.575 days
Date of orbit computation   May 25 11:13
Observational summary
Optical observations (Discarded) 65 (3)
Radar observations (Discarded) 0 (0)
Arc length 6576 days
Unobserved 851 days

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Ephemeris at epoch 58684 MJD
Right Ascension 171.396 deg
Declination 0.62414 deg
V Magnitude 23.09 mag
Solar Elongation -55.14 deg
Galactic Latitude 56.43 deg
Rate 0.459 deg/day
Direction 125.186 deg

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