NEODyS-2

Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 1999HF1 ∴ Summary
Contact »
(137170) 1999HF1  ▹ 
SUMMARY
Keplerian elements
(Epoch 60400.0 MJD)
Value 1-σ variation Units
a 0.819167 4.308e-10 au
e 0.462527 4.333e-08
i 25.658 4.115e-06 deg
Ω 155.853 1.492e-05 deg
ω 253.417 1.35e-05 deg
M 343.196 1.026e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    14.7 mag
Slope parameter (G)    0.15 mag
Perihelion distance 0.4403 au
Aphelion distance 1.1981 au
Asc. node-Earth separation -0.24765 au
Desc. node-Earth separation -0.44063 au
Earth MOID 0.17357 au
Orbital period 270.805 days
Date of orbit computation   feb 26 10:20
Observational summary
Optical observations (Discarded) 6825 (16)
Radar observations (Discarded) 0 (0)
Arc length 8807 days
Unobserved 330 days

More info »
Ephemeris
(Epoch 60426 MJD)
Right Ascension 55.1126 deg
Declination 11.2973 deg
V Magnitude 15.45 mag
Solar Elongation -21.11 deg
Galactic Latitude -33.83 deg
Rate 1.863 deg/day
Direction 72.723 deg

More info »