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(137170) 1999HF1  ▹ 
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
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


Get the orbital details, including covariance and correlation
Near middle of observational arc (ASCII file) Epoch 57189.9 MJD
Near present day (ASCII file) Epoch 60400.0 MJD


Note. The elements are given with reduced precision in order to be more readable. For full precision please use the machine-readable ASCII files, which contain Equinoctial (not Keplerian) elements and are in a format suitable for OrbFit input. Also refer to the discussion in the FAQ.