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NEODyS ∴ Objects ∴ 1999HP11 ∴ Summary
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(31662) 1999HP11  ▹ 
SUMMARY
Keplerian elements at epoch
57800.0 MJD
Value 1-σ variation Units
a 1.59783 1.048e-08 au
e 0.547936 1.246e-07
i 18.814 3.793e-05 deg
Ω 13.974 3.792e-05 deg
ω 311.995 3.689e-05 deg
M 232.305 4.428e-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 2.4733 au
Asc. node-Earth separation -0.18026 au
Desc. node-Earth separation 0.76515 au
Earth MOID 0.12378 au
Orbital period 737.724 days
Date of orbit computation   May 15 20:02
Observational summary
Optical observations (Discarded) 65 (3)
Radar observations (Discarded) 0 (0)
Arc length 6576 days
Unobserved 69 days

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Ephemeris at epoch 57902 MJD
Right Ascension 158.803 deg
Declination 10.9435 deg
V Magnitude 23.1 mag
Solar Elongation -88.74 deg
Galactic Latitude 54.14 deg
Rate 0.212 deg/day
Direction 148.631 deg

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