NEODyS-2

Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 1999HF1 ∴ Summary
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(137170) 1999HF1  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 0.819139 7.903e-10 au
e 0.462513 4.438e-08
i 25.661 4.976e-06 deg
Ω 155.878 1.616e-05 deg
ω 253.393 1.46e-05 deg
M 204.401 1.193e-05 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 -0.24937 au
Desc. node-Earth separation -0.44138 au
Earth MOID 0.17487 au
Orbital period 270.791 days
Date of orbit computation   May 15 15:41
Observational summary
Optical observations (Discarded) 3345 (20)
Radar observations (Discarded) 0 (0)
Arc length 7329 days
Unobserved 8 days

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Ephemeris at epoch 58625 MJD
Right Ascension 163.583 deg
Declination 49.5148 deg
V Magnitude 16.17 mag
Solar Elongation -84.17 deg
Galactic Latitude 58.3 deg
Rate 0.644 deg/day
Direction 128.969 deg

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