Origin | Symbol | Amplitude | Speed per mean | Period in solar |
(cm) | (solar hour) | (hours) | ||
Long-period components | ||||
Solar semi-annual | Ssa | 1.9416 | 0.08213 | 2191.43 |
Lunar monthly | Mm | 2.2056 | 0.54437 | 661.3 |
Lunar fortnightly | Mf | 4.1765 | 1.09803 | 327.86 |
Diurnal components | ||||
Larger lunar elliptic | Q1 | 1.9469 | 13.39867 | 26.87 |
Principle lunar diurnal | O1 | 10.0573 | 13.94303 | 25.82 |
Smaller lunar elliptic | M1 | 0.9788 | 14.49669 | 24.83 |
Principle solar diurnal | P1 | 4.6806 | 14.95893 | 24.07 |
Luni-solar diurnal | K1 | 14.1484 | 15.04107 | 23.93 |
Small lunar elliptic | J1 | 0.7921 | 15.58544 | 23.1 |
Semi-diurnal components | ||||
Larger lunar elliptic | N2 | 4.6313 | 28.43973 | 12.66 |
Principle lunar | M2 | 24.2297 | 28.98411 | 12.42 |
Smaller lunar elliptic | L2 | 0.6694 | 29.52848 | 12.19 |
Larger solar elliptic | T2 | 0.6614 | 29.95893 | 12.02 |
Principle solar | S2 | 11.2734 | 30 | 12 |
Luni-solar semi-diurnal | K2 | 3.0697 | 30.08214 | 11.97 |
Lunarelliptic second order | 2N2 | 0.6074925 | 27.89535 | 12.91 |
Lager lunar evectional | δ2 | 0.8747892 | 28.51258 | 12.63 |
Smaller lunar evectional | λ2 | 0.1700979 | 29.45563 | 12.22 |
Variational | μ2 | 0.7532907 | 27.96821 | 12.87 |