Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 1998HH1 ∴ Orbital info
Contact »
1998HH1  ▹ 
Keplerian elements
(Epoch 59600.0 MJD)
Value 1-σ variation Units
a 2.158 0.001372 au
e 0.510453 0.000316
i 16.014 0.0182 deg
Ω 203.527 0.007046 deg
ω 359.915 0.06144 deg
M 180.194 4.77 deg
Other useful info
Absolute Magnitude (H)    23.2 mag
Slope parameter (G)    0.15 mag
Perihelion distance 1.0564 au
Aphelion distance 3.2596 au
Asc. node-Earth separation 0.05411 au
Desc. node-Earth separation 2.26383 au
Earth MOID 0.05404 au
Orbital period 1157.92 days
Date of orbit computation   Oct 20 09:58


Get the orbital details, including covariance and correlation
Near middle of observational arc (ASCII file) Epoch 50924.5 MJD
Near present day (ASCII file) Epoch 59600.0 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.