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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 6.232e-09 au
e 0.547806 7.708e-08
i 18.813 2.221e-05 deg
Ω 13.973 2.399e-05 deg
ω 311.997 2.313e-05 deg
M 67.489 2.773e-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   Feb 5 17:12
Observational summary
Optical observations (Discarded) 65 (8)
Radar observations (Discarded) 0 (0)
Arc length 6576 days
Unobserved 334 days

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Ephemeris at epoch 58167 MJD
Right Ascension 31.2683 deg
Declination 31.7522 deg
V Magnitude 22.59 mag
Solar Elongation -72.12 deg
Galactic Latitude -28.56 deg
Rate 0.762 deg/day
Direction 70.896 deg

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