NEODyS-2

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NEODyS ∴ Objects ∴ 1999HF1 ∴ Summary
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(137170) 1999HF1  ▹ 
SUMMARY
Keplerian elements at epoch
58200.0 MJD
Value 1-σ variation Units
a 0.819124 1.181e-09 au
e 0.462522 5.595e-08
i 25.661 5.353e-06 deg
Ω 155.881 1.666e-05 deg
ω 253.388 1.519e-05 deg
M 298.514 1.412e-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 -0.24797 au
Desc. node-Earth separation -0.44161 au
Earth MOID 0.17364 au
Orbital period 270.784 days
Date of orbit computation   Mar 13 09:41
Observational summary
Optical observations (Discarded) 3152 (17)
Radar observations (Discarded) 0 (0)
Arc length 6626 days
Unobserved 436 days

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Ephemeris at epoch 58350 MJD
Right Ascension 183.962 deg
Declination 12.3674 deg
V Magnitude 17.42 mag
Solar Elongation -34.19 deg
Galactic Latitude 73.05 deg
Rate 0.799 deg/day
Direction 107.476 deg

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