163 
HARMONIC ANALYSIS! AND PREDICTION OF TIDES 
Table 1.—Fundamental astronomical data—Continued 
MEAN LONGITUDE OF SOLAR AND LUNAR ELEMENTS FOR CENTURY YEARS 
F Solar Lunar Moon’s 
Epoch, Gregorian calendar Sun F Moon 7 
Greenwich mean civil time perigee perigee node 
h Di 3 D N 
° ° ° ° ° 
COO Mans 1) O}HOUT © eee Sere. eee 279. 857 276. 067 99. 725 7.417 301. 496 
OO seems ea Oia OUT e see eee 280. 624 277. 784 47. 604 116. 501 167. 343 
SOO Tan le On Our 2o2 Sess 2 AS ee 280. 407 279. 502 342. 313 225. 453 33. 248 
LIOO ane OUROUR Me eae ee Sa ate 280. 190 281. 221 277. 026 334. 384 259. 156 | 
QUO} ante Oth oun 38 =e oe eee ake 279. 973 282. 940 211. 744 83. 294 125. 069 
RATE OF CHANGE IN MEAN LONGITUDE OF SOLAR AND LUNAR ELEMENTS (EFOCH, JAN. 1, 1900) << __ 
Per Julian cea- Per common 
Elements tury (36525 days)| year (365 days) Per solar day | Per solar hour 
° ° ° ° 
Sun; (QD) oye ee ee 1007+ 0.769 359. 761, 28 0. 985, 647, 3 0. 041, 068, 64 
SOMALI CrISCel (Dy) = ame ee ae ee 1. 719 0. 017, 18 0. 000, 047, 1 0. 000, 001, 96 
IVROOTIN(S) eee yee ene eu eee 8 1336r+307. 892 | 137-+-129. 384, 82 13. 176, 396. 8 0. 549, 016, 53 
WiMar perigee) () aes se eee 117-109. 032 40. 662, 47 0. 111, 404, 0 0, 004, 641. 83 
IV ROOTYS iT GG CCN») Bae se eee —5r—134. 142 —19. 328,19 | —0. 052, 953.9 | —O, 002, 206, 41 
MEAN ASTRONOMICAL PERIODS 
(Symbols refer to rate of change in mean longitude) 
Solar days 
Siderealid ay so00e/ (S60 Satoh ss ee a a RMS ST SS Siar RI Le 0. 997, 270 
MUG ay s60r/(S00c 1S) see e hee oe ont aoe he ke ais ea a ee ee ie ae 1. 035, 050 
INodicalynron ths s602)/(SN)) sass] oo eR Nan a oo 27. 212, 220 
PERG Picalea Onmthisg a0 Sass eee ss ee en ee ae ee Oe ee oe Se 27. 321, 582 
ATIOMAlISticunon th ps60s/(S=—D) eneea =a ee ee ee ee ek a ee eee en eee 27. 554, 550 
Synodicalemonth"o60e) (SN) ee wen he aa eee crete Ul ee Reeds OE oe 29. 530, 588 
Moons evectional period, 8607/(s—2h--p) 252. 2- 22 ee ee ee 31, 811, 939 
FE CLIPSOMY Calis tO OU) (IU IIND) ee aes cos Mere cent i aaah uf ye ae Sr Sea 346. 620, 0 
PRO picale-y.Oay,: S60 >) ies ene Set ee eS ee ee ere _--- 365. 242, 2 
FATIOMIALISEICHy CATA OU s/t 1) ee es eee ae ee ee ee Sa 365. 259, 6 
COTTON RY CAT ae eee ee ean aN Re cient een re Sa Si acu L: Sat eee ee we ke ea See ae a 365. 000, 0 
(NEGATE COL OF ATV CAT ae ee te as ae eee INES Ge ee ee a ee ae 365. 242, 5 
IMIEA TTT A sy CAL = So eee aE Se es a Se So ha a meee oe Rr ee ee 365. 250, 0 
CADDY CAT ee eee ote BRINE Bs EN E28 ss ya eh ei NE sl te ci NO Ne eee 366. 000, 0 
Evectional period in moon’s parallax, 360°/(h—p) ----------------_----------------------------- 411. 784, 7 
RevolutionroMlunar perizeewo00e/ Desens eae ee ee eee 8.85 Julian years 
VE VOLUELOMNOL IN OOMVSsMOG CoG Oo) eee ee eae ogee em ee ee 18.61 Julian years 
Revolution of solar perigee, 360°/p1 
209 Julian centuries 
