AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ Hirayama ∴ Orbital info
Contact »
(1999) Hirayama  ▹ 
ORBITAL INFORMATION
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 3.11527 1.501e-08 au
e 0.116343 3.696e-08
i 12.526 4.228e-06 deg
Ω 147.898 1.735e-05 deg
ω 356.796 2.398e-05 deg
M 111.3 1.587e-05 deg
Other useful info
Absolute Magnitude (H)    11.0 mag
Slope parameter (G)    0.15 mag
Perihelion 2.7528 au
Aphelion 3.4777 au
Asc. node-Earth separation 1.76374 au
Desc. node-Earth separation 2.465 au
Earth MOID 1.76366 au
Orbital period 2008.36 days
Date of orbit computation  Oct 31 04:56

 

Get the orbital details, including covariance and correlation
Near middle of observational arc (ASCII file) Epoch 56105.4 MJD
Near present day (ASCII file) Epoch 58400.0 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.





This Web Site has been visited 224328 times since

and this Page has been visited 317 times since 2011/10/14