OB.DAAC Logo
NASA Logo
Ocean Color Science Software

ocssw V2022
lunsol.h
Go to the documentation of this file.
1 /*
2  *----------------------------------------------------------------------
3  * @(#) earth.h 1.0 30 Mar 93 <shc>
4  * Copyright (c) 1993, CSIRO Division of Oceanography.
5  *----------------------------------------------------------------------
6  *
7  * Definitions of some basic lunar and solar related constants.
8  *
9  * AU One astronomical unit in metres
10  * EMKS Gravitational constant for the sun
11  * EMKM Gravitational constant for the moon
12  * PSOL Solar radiation constant at 1 AU, N/m**2
13  * VLIGHT Speed of light in vacuum, m/s.
14  */
15 
16 #ifndef __LUNSOL__
17 #define __LUNSOL__
18 
19 #define AU 1.4959787066e11
20 #define EMKS 1.32712440e20
21 #define EMKM 4.9027989e12
22 #define PSOL 4.5783e-6
23 #define VLIGHT 2.99792458e8
24 
25 #endif /* __LUNSOL__ */