IAU AU definition
#define MEARTH 5.972186e24 // Prsa et al. 2016
#define MSUN 1.988416e30 // Prsa et al. 2016
#define AUCM 1.49597870700e11 // XXX Change to AUM, Exact m/AU per 31 AUG 2012 IAU resolution B2
+//#define AUCM 1.49598e11 // Old AUCM intended to keep tests passing
#define AUPC 206265.0 // AU in a parsec
#define RSUN 6.957e8 // Prsa et al. 2016
#define YEARSEC 3.15576e7
