Epoch (T0)     
Porb 187.5? d +0 -0 Nagase (1989) 
Porbdot/Porb      
a sin i     
Eccentricity e e>0.6  Cook et.al. (1987) 
OMEGA      
OMEGA-Dot      
omega      
Semimajor axis (a)      
Inclination     
Occultation      
Gven orbitak period represents the reccurence time of X-ray outbursts, not orbital solution.
Last modification date: Fri Aug 3 01:06:12 2007