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: 6/22/2025
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 07/04/2025 12:46:48 -76.06, 175.98 126.74 07/04/2025 12:45:34 -76.06, 175.57 126.76 10.98 74
2 07/04/2025 13:37:34 76.11, -16.91 53.31 07/04/2025 13:36:29 76.10, -17.00 53.29 2.66 65
3 07/04/2025 14:28:19 -76.12, 150.37 126.68 07/04/2025 14:27:29 -76.12, 150.31 126.69 1.46 50
4 07/04/2025 15:19:04 76.13, -42.36 53.34 07/04/2025 15:18:25 76.12, -42.41 53.32 2.07 39
5 07/04/2025 16:09:49 -76.14, 124.92 126.65 07/04/2025 16:09:25 -76.14, 124.90 126.66 0.91 24
6 07/04/2025 17:00:34 76.16, -67.81 53.37 07/04/2025 17:00:21 76.14, -67.83 53.35 1.92 13
7 07/04/2025 17:51:19 -76.17, 99.46 126.63 07/04/2025 17:51:21 -76.16, 99.48 126.64 1.25 2
8 07/04/2025 18:42:04 76.18, -93.26 53.39 07/04/2025 18:42:17 76.16, -93.24 53.37 2.31 13
9 07/04/2025 19:32:49 -76.19, 74.01 126.60 07/04/2025 19:33:17 -76.17, 74.06 126.61 2.10 28
10 07/04/2025 20:23:34 76.20,-118.72 53.42 07/04/2025 20:24:13 76.18,-118.66 53.40 3.04 39
11 07/04/2025 21:14:19 -76.21, 48.56 126.57 07/04/2025 21:15:13 -76.19, 48.64 126.58 3.06 54
12 07/04/2025 22:05:03 76.18,-144.00 53.41 07/04/2025 22:06:09 76.20,-144.07 53.43 2.68 66
13 07/04/2025 22:55:54 -76.45, 22.27 126.35 07/04/2025 22:57:04 -76.43, 24.06 126.31 46.79 70

Figure of FY3D and NOAA-19 satellite orbits during SNOs since TLE Epoch: 6/22/2025
SNOs_Map_FY3D_NOAA-19_20250622.jpg

Download SNOs between FY3D and NOAA-19 since TLE EPOCH: 06/22/2025 in txt file.

Historial Predications of SNOs between FY3D and NOAA-19