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NEODyS ∴ Objects ∴ 1999HP11 ∴ Summary
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(31662) 1999HP11  ▹ 
SUMMARY
Keplerian elements at epoch
58000.0 MJD
Value 1-σ variation Units
a 1.59775 1.069e-08 au
e 0.547791 1.245e-07
i 18.813 3.792e-05 deg
Ω 13.974 3.792e-05 deg
ω 311.996 3.689e-05 deg
M 329.885 4.511e-05 deg

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Other useful info
Absolute Magnitude (H)    19.4 mag
Slope parameter (G)    0.15 mag
Perihelion 0.7225 au
Aphelion 2.473 au
Asc. node-Earth separation -0.1808 au
Desc. node-Earth separation 0.76663 au
Earth MOID 0.12397 au
Orbital period 737.672 days
Date of orbit computation   Jul 10 22:21
Observational summary
Optical observations (Discarded) 65 (3)
Radar observations (Discarded) 0 (0)
Arc length 6576 days
Unobserved 122 days

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Ephemeris at epoch 57955 MJD
Right Ascension 172.659 deg
Declination -1.01918 deg
V Magnitude 22.94 mag
Solar Elongation -55.55 deg
Galactic Latitude 55.79 deg
Rate 0.472 deg/day
Direction 125.278 deg

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