NEODyS-2

Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 1999HF1 ∴ Summary
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(137170) 1999HF1  ▹ 
SUMMARY
Keplerian elements at epoch
58600.0 MJD
Value 1-σ variation Units
a 0.819131 7.095e-10 au
e 0.46251 4.251e-08
i 25.66 4.803e-06 deg
Ω 155.874 1.59e-05 deg
ω 253.401 1.435e-05 deg
M 110.289 1.164e-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 -0.24753 au
Desc. node-Earth separation -0.44144 au
Earth MOID 0.17346 au
Orbital period 270.787 days
Date of orbit computation   Jul 17 14:05
Observational summary
Optical observations (Discarded) 3486 (19)
Radar observations (Discarded) 0 (0)
Arc length 7389 days
Unobserved 5 days

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Ephemeris at epoch 58682 MJD
Right Ascension 194.878 deg
Declination 26.9256 deg
V Magnitude 16.85 mag
Solar Elongation -70.43 deg
Galactic Latitude 88.19 deg
Rate 0.58 deg/day
Direction 133.622 deg

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