NEODyS-2

Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 1999HF1 ∴ Summary
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(137170) 1999HF1  ▹ 
SUMMARY
Keplerian elements at epoch
58000.0 MJD
Value 1-σ variation Units
a 0.819136 7.149e-10 au
e 0.462508 3.432e-08
i 25.662 3.386e-06 deg
Ω 155.885 1.098e-05 deg
ω 253.381 9.855e-06 deg
M 32.628 8.66e-06 deg

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Other useful info
Absolute Magnitude (H)    14.5 mag
Slope parameter (G)    0.15 mag
Perihelion 0.4403 au
Aphelion 1.198 au
Asc. node-Earth separation -0.24615 au
Desc. node-Earth separation -0.44117 au
Earth MOID 0.17244 au
Orbital period 270.79 days
Date of orbit computation   Oct 9 17:35
Observational summary
Optical observations (Discarded) 3152 (69)
Radar observations (Discarded) 0 (0)
Arc length 6626 days
Unobserved 227 days

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Ephemeris at epoch 58141 MJD
Right Ascension 273.548 deg
Declination -7.74924 deg
V Magnitude 17.38 mag
Solar Elongation 32.65 deg
Galactic Latitude 4.66 deg
Rate 0.839 deg/day
Direction 88.195 deg

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