Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between FY3D and NOAA-19 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 7/12/2025
Index Date (FY3D) Time (FY3D) Lat,Lon (FY3D) SZA (FY3D ) Date (NOAA-19) Time (NOAA-19) Lat,Lon (NOAA-19) SZA (NOAA-19 ) Distance(km) Time Diff (sec)
1 07/20/2025 13:36:03 76.13, -16.17 55.60 07/20/2025 13:34:49 76.11, -16.23 55.58 2.57 74
2 07/20/2025 14:26:47 -76.11, 151.20 124.41 07/20/2025 14:25:45 -76.12, 151.07 124.41 3.53 62
3 07/20/2025 15:17:33 76.15, -41.63 55.64 07/20/2025 15:16:45 76.13, -41.65 55.61 2.68 48
4 07/20/2025 16:08:17 -76.14, 125.75 124.37 07/20/2025 16:07:41 -76.14, 125.65 124.38 2.57 36
5 07/20/2025 16:59:03 76.18, -67.08 55.67 07/20/2025 16:58:41 76.15, -67.07 55.64 3.18 22
6 07/20/2025 17:49:47 -76.16, 100.29 124.34 07/20/2025 17:49:37 -76.16, 100.23 124.35 1.72 10
7 07/20/2025 18:40:32 76.15, -92.37 55.67 07/20/2025 18:40:37 76.17, -92.49 55.67 3.47 5
8 07/20/2025 19:31:17 -76.18, 74.84 124.31 07/20/2025 19:31:33 -76.17, 74.81 124.31 1.29 16
9 07/20/2025 20:22:02 76.18,-117.82 55.70 07/20/2025 20:22:33 76.18,-117.91 55.71 2.40 31
10 07/20/2025 21:12:47 -76.21, 49.39 124.27 07/20/2025 21:13:29 -76.19, 49.39 124.28 1.64 42
11 07/20/2025 22:03:32 76.20,-143.28 55.73 07/20/2025 22:04:29 76.20,-143.33 55.74 1.39 57
12 07/20/2025 22:54:17 -76.23, 23.93 124.24 07/20/2025 22:55:25 -76.21, 23.96 124.25 2.46 68
13 07/20/2025 23:45:10 76.58,-170.09 56.09 07/20/2025 23:46:18 76.52,-167.57 56.12 65.31 68

Figure of FY3D and NOAA-19 satellite orbits during SNOs since TLE Epoch: 7/12/2025
SNOs_Map_FY3D_NOAA-19_20250712.jpg

Download SNOs between FY3D and NOAA-19 since TLE EPOCH: 07/12/2025 in txt file.

Historial Predications of SNOs between FY3D and NOAA-19