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(1009) Sirene  ▹ 
ORBITAL INFORMATION
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.62928 2.8e-09 au
e 0.45293 3.25e-08
i 15.717 4.547e-06 deg
Ω 229.279 5.451e-06 deg
ω 186.584 7.626e-06 deg
M 206.722 2.111e-06 deg
Other useful info
Absolute Magnitude (H)    14.2 mag
Slope parameter (G)    0.15 mag
Perihelion 1.4384 au
Aphelion 3.8202 au
Asc. node-Earth separation 2.78967 au
Desc. node-Earth separation 0.45221 au
Earth MOID 0.45106 au
Orbital period 1557.23 days
Date of orbit computation  apr 23 19:46

 

Get the orbital details, including covariance and correlation
Near middle of observational arc (ASCII file) Epoch 59226.6 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.