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NEODyS ∴ Objects ∴ 1999HP11 ∴ Summary
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(31662) 1999HP11  ▹ 
SUMMARY
Keplerian elements at epoch
58200.0 MJD
Value 1-σ variation Units
a 1.59776 1.057e-08 au
e 0.547806 1.245e-07
i 18.813 3.792e-05 deg
Ω 13.973 3.792e-05 deg
ω 311.997 3.689e-05 deg
M 67.489 4.595e-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 -0.18179 au
Desc. node-Earth separation 0.76542 au
Earth MOID 0.12481 au
Orbital period 737.674 days
Date of orbit computation   Mar 13 15:35
Observational summary
Optical observations (Discarded) 65 (3)
Radar observations (Discarded) 0 (0)
Arc length 6576 days
Unobserved 554 days

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Ephemeris at epoch 58387 MJD
Right Ascension 158.757 deg
Declination 21.4207 deg
V Magnitude 24.6 mag
Solar Elongation 32.21 deg
Galactic Latitude 58.49 deg
Rate 0.38 deg/day
Direction 111.839 deg

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