NEODyS-2

Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 1999HF1 ∴ Summary
Contact »
(137170) 1999HF1  ▹ 
SUMMARY
Keplerian elements at epoch
58000.0 MJD
Value 1-σ variation Units
a 0.819136 1.19e-09 au
e 0.462508 5.594e-08
i 25.662 5.353e-06 deg
Ω 155.885 1.665e-05 deg
ω 253.381 1.519e-05 deg
M 32.628 1.376e-05 deg

More info »
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   Jul 10 17:29
Observational summary
Optical observations (Discarded) 3152 (17)
Radar observations (Discarded) 0 (0)
Arc length 6626 days
Unobserved 106 days

More info »
Ephemeris at epoch 58020 MJD
Right Ascension 173.804 deg
Declination 4.14644 deg
V Magnitude 15.91 mag
Solar Elongation 8.34 deg
Galactic Latitude 60.69 deg
Rate 1.031 deg/day
Direction 99.148 deg

More info »





This Web Site has been visited 140017 times since

and this Page has been visited 6758 times since 2011/06/22