Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between FY3D and TERRA Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 10/22/2025
Index Date (FY3D) Time (FY3D) Lat,Lon (FY3D) SZA (FY3D ) Date (TERRA) Time (TERRA) Lat,Lon (TERRA) SZA (TERRA ) Distance(km) Time Diff (sec)
1 10/22/2025 05:38:11 78.34, 95.70 89.45 10/22/2025 05:39:09 78.35, 95.66 89.46 1.26 58
2 10/22/2025 06:28:54 -78.31, -96.82 90.57 10/22/2025 06:28:28 -78.32, -96.81 90.56 0.69 26
3 10/24/2025 15:59:34 -78.37, 120.25 89.68 10/24/2025 16:00:31 -78.38, 120.40 89.66 3.39 57
4 10/24/2025 16:50:17 78.31, -72.07 90.29 10/24/2025 16:49:51 78.32, -72.23 90.29 3.73 26
5 10/27/2025 02:20:57 78.37, 144.95 91.17 10/27/2025 02:21:53 78.39, 145.07 91.19 3.36 56
6 10/27/2025 03:11:41 -78.34, -47.54 88.86 10/27/2025 03:11:13 -78.36, -47.42 88.84 3.35 28
7 10/29/2025 12:42:20 -78.37, 169.67 88.03 10/29/2025 12:43:16 -78.36, 169.54 88.04 3.23 56
8 10/29/2025 13:33:04 78.36, -22.90 91.97 10/29/2025 13:32:35 78.35, -22.87 91.96 1.06 29
9 10/31/2025 23:03:43 78.40,-165.73 92.79 10/31/2025 23:04:37 78.37,-165.82 92.76 3.38 54
10 10/31/2025 23:54:27 -78.36, 1.80 87.24 10/31/2025 23:53:56 -78.38, 1.89 87.22 2.82 31
11 11/03/2025 09:25:06 -78.41,-141.06 86.44 11/03/2025 09:25:57 -78.42,-140.98 86.42 2.32 51

Figure of FY3D and TERRA satellite orbits during SNOs since TLE Epoch: 10/22/2025
SNOs_Map_FY3D_TERRA_20251022.jpg

Download SNOs between FY3D and TERRA since TLE EPOCH: 10/22/2025 in txt file.

Historial Predications of SNOs between FY3D and TERRA