Table 3.

Zonal harmonic coefficients up to the sixth order.

The nth order zonal harmonic coefficients: [T/mn]
Coeff.	$Z_0$	$Z_1$	$Z_2$	$Z_3$	$Z_4$	$Z_5$	$Z_6$
Expo.	${10}^0$	${10}^{-1}$	${10}^0$	${10}^0$	${10}^2$	${10}^2$	${10}^4$
Virgin	9.372	1.997	− 4.401	8.206	0.2204	8.689	2.594
Cycle1	9.387	2.003	− 3.028	8.248	0.7946	8.495	0.1853
Cycle2	9.390	2.001	− 2.721	8.263	1.063	8.452	− 0.5120
Cycle3	9.392	2.006	− 2.543	8.272	1.241	8.425	− 0.9461
Cycle4	9.393	2.006	− 2.434	8.279	1.362	8.408	− 1.226
Cycle5	9.395	2.007	− 2.326	8.285	1.483	8.391	− 1.505
Cycle6	9.396	2.007	− 2.250	8.290	1.573	8.378	− 1.706
Cycle7	9.397	2.007	− 2.188	8.295	1.651	8.398	− 1.876
Cycle8	9.397	2.007	− 2.135	8.298	1.717	8.359	− 2.018
Cycle9	9.397	2.008	− 2.081	8.301	1.782	8.349	− 2.161
Cycle10	9.398	2.008	− 2.039	8.304	1.838	8.342	− 2.279
Cycle11	9.398	2.008	− 1.999	8.306	1.889	8.334	− 2.389
Cycle12	9.398	2.008	− 1.965	8.309	1.934	8.328	− 2.485
Cycle13	9.399	2.009	− 1.931	8.311	1.979	8.321	− 2.581
Cycle14	9.399	2.009	− 1.901	8.314	2.020	8.316	− 2.666
Cycle15	9.399	2.009	− 1.894	8.314	2.032	8.315	− 2.689
Cycle16	9.400	2.009	− 1.885	8.315	2.044	8.313	− 2.716
Final	9.400	2.009	− 1.877	8.316	2.058	8.312	− 2.742