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ocssw V2022
novascon.h
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1 /*
2  NOVAS-C Version 2.0 (1 Nov 98)
3  Header file for novascon.c
4 
5  Naval Observatory Vector Astrometry Subroutines
6  C Version
7 
8  U. S. Naval Observatory
9  Astronomical Applications Dept.
10  3450 Massachusetts Ave., NW
11  Washington, DC 20392-5420
12 */
13 
14 #ifndef _CONSTS_
15  #define _CONSTS_
16 
17  extern const short int FN1;
18  extern const short int FN0;
19 
20 /*
21  TDB Julian date of epoch J2000.0.
22 */
23 
24  extern const double T0;
25 
26 /*
27  Astronomical Unit in kilometers.
28 */
29 
30  extern const double KMAU;
31 
32 /*
33  Astronomical Unit in meters.
34 */
35 
36  extern const double MAU;
37 
38 /*
39  Speed of light in AU/Day.
40 */
41 
42  extern const double C;
43 
44 /*
45  Heliocentric gravitational constant.
46 */
47 
48  extern const double GS;
49 
50 /*
51  Radius of Earth in kilometers.
52 */
53 
54  extern const double EARTHRAD;
55 
56 /*
57  'f' = Earth ellipsoid flattening
58 */
59 
60  extern const double F;
61 
62 /*
63  'omega' = rotational angular velocity of Earth in radians/sec
64 */
65 
66  extern const double OMEGA;
67 
68 /*
69  Value of 2.0 * pi in radians.
70 */
71 
72  extern const double TWOPI;
73 
74 /*
75  Angle conversion constants.
76 */
77 
78  extern const double RAD2SEC;
79  extern const double DEG2RAD;
80  extern const double RAD2DEG;
81 
82 #endif
const double KMAU
const double MAU
const short int FN0
const double C
const double TWOPI
Definition: AfrtConstants.h:85
const double RAD2SEC
const double RAD2DEG
Definition: AfrtConstants.h:91
const double F
const double GS
const double OMEGA
const double EARTHRAD
const short int FN1
const double DEG2RAD
Definition: AfrtConstants.h:88
const double T0