Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 1998UM1 ∴ Orbital info
Contact »
1998UM1  ▹ 
Keplerian elements
(Epoch 59200.0 MJD)
Value 1-σ variation Units
a 1.69915 8.135e-09 au
e 0.400942 4.372e-08
i 4.866 9.203e-06 deg
Ω 3.268 3.797e-05 deg
ω 1.274 3.466e-05 deg
M 3.16 7.739e-06 deg
Other useful info
Absolute Magnitude (H)    23.5 mag
Slope parameter (G)    0.15 mag
Perihelion distance 1.0179 au
Aphelion distance 2.3804 au
Asc. node-Earth separation 0.01452 au
Desc. node-Earth separation 1.38239 au
Earth MOID 0.01444 au
Orbital period 808.994 days
Date of orbit computation   Mar 19 08:41


Get the orbital details, including covariance and correlation
Near middle of observational arc (ASCII file) Epoch 57357.4 MJD
Near present day (ASCII file) Epoch 59200.0 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.