UNPKG

s2-tools

Version:

A collection of geospatial tools primarily designed for WGS84, Web Mercator, and S2.

github.com/Open-S2/s2-tools

Open-S2/s2-tools

86 lines • 2.54 kB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
import { Satellite } from '../sat'; /** * ----------------------------------------------------------------------------- * * procedure sgp4init * * this procedure initializes variables for sgp4. * * author : david vallado 719-573-2600 28 jun 2005 * author : david vallado 719-573-2600 28 jun 2005 * * inputs : * opsmode - mode of operation afspc or improved 'a', 'i' * satn - satellite number * drag - sgp4 type drag coefficient kg/m2er * ecco - eccentricity * epoch - epoch time in days from jan 0, 1950. 0 hr * argpo - argument of perigee (output if ds) * inclo - inclination * mo - mean anomaly (output if ds) * no - mean motion * nodeo - right ascension of ascending node * * outputs : * rec - common values for subsequent calls * return code - non-zero on error. * 1 - mean elements, ecc >= 1.0 or ecc < -0.001 or a < 0.95 er * 2 - mean motion less than 0.0 * 3 - pert elements, ecc < 0.0 or ecc > 1.0 * 4 - semi-latus rectum < 0.0 * 5 - epoch elements are sub-orbital * 6 - satellite has decayed * * locals : * cnodm , snodm , cosim , sinim , cosomm , sinomm * cc1sq , cc2 , cc3 * coef , coef1 * cosio4 - * day - * dndt - * em - eccentricity * emsq - eccentricity squared * eeta - * etasq - * gam - * argpm - argument of perigee * nodem - * inclm - inclination * mm - mean anomaly * nm - mean motion * perige - perigee * pinvsq - * psisq - * qzms24 - * rtemsq - * s1, s2, s3, s4, s5, s6, s7 - * sfour - * ss1, ss2, ss3, ss4, ss5, ss6, ss7 - * sz1, sz2, sz3 * sz11, sz12, sz13, sz21, sz22, sz23, sz31, sz32, sz33 - * tc - * temp - * temp1, temp2, temp3 - * tsi - * xpidot - * xhdot1 - * z1, z2, z3 - * z11, z12, z13, z21, z22, z23, z31, z32, z33 - * * coupling : * getgravconst- * initl - * dscom - * dpper - * dsinit - * sgp4 - * * references : * hoots, roehrich, norad spacetrack report #3 1980 * hoots, norad spacetrack report #6 1986 * hoots, schumacher and glover 2004 * vallado, crawford, hujsak, kelso 2006 * @param sat - Satellite object */ export declare function sgp4init(sat: Satellite): void; //# sourceMappingURL=sgp4init.d.ts.map