NEODyS-2

Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 1999HF1 ∴ Summary
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(137170) 1999HF1  ▹ 
SUMMARY
Keplerian elements at epoch
57800.0 MJD
Value 1-σ variation Units
a 0.819139 1.198e-09 au
e 0.462468 5.594e-08
i 25.662 5.353e-06 deg
Ω 155.889 1.665e-05 deg
ω 253.38 1.519e-05 deg
M 126.734 1.34e-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 -0.2477 au
Desc. node-Earth separation -0.44019 au
Earth MOID 0.17359 au
Orbital period 270.792 days
Date of orbit computation   Jun 21 02:01
Observational summary
Optical observations (Discarded) 3152 (17)
Radar observations (Discarded) 0 (0)
Arc length 6626 days
Unobserved 16 days

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Ephemeris at epoch 57930 MJD
Right Ascension 38.1132 deg
Declination 44.4173 deg
V Magnitude 16.17 mag
Solar Elongation 50.35 deg
Galactic Latitude -14.82 deg
Rate 1.853 deg/day
Direction 108.621 deg

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