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: 6/25/2025
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 -76.05, 176.02 126.75 07/04/2025 12:45:34 -76.05, 175.56 126.77 12.36 74
2 07/04/2025 13:37:34 76.10, -16.86 53.30 07/04/2025 13:36:29 76.10, -17.01 53.29 3.81 65
3 07/04/2025 14:28:19 -76.11, 150.40 126.69 07/04/2025 14:27:29 -76.12, 150.30 126.69 2.81 50
4 07/04/2025 15:19:04 76.12, -42.31 53.33 07/04/2025 15:18:25 76.12, -42.42 53.32 2.86 39
5 07/04/2025 16:09:49 -76.13, 124.95 126.66 07/04/2025 16:09:25 -76.13, 124.88 126.67 1.91 24
6 07/04/2025 17:00:34 76.14, -67.77 53.35 07/04/2025 17:00:21 76.14, -67.84 53.35 1.99 13
7 07/04/2025 17:51:19 -76.16, 99.50 126.63 07/04/2025 17:51:21 -76.15, 99.46 126.64 1.17 2
8 07/04/2025 18:42:04 76.17, -93.22 53.38 07/04/2025 18:42:17 76.16, -93.25 53.37 1.37 13
9 07/04/2025 19:32:49 -76.18, 74.05 126.61 07/04/2025 19:33:17 -76.17, 74.05 126.61 1.03 28
10 07/04/2025 20:23:34 76.19,-118.67 53.41 07/04/2025 20:24:13 76.18,-118.67 53.40 1.42 39
11 07/04/2025 21:14:19 -76.20, 48.60 126.58 07/04/2025 21:15:13 -76.19, 48.63 126.59 1.67 54
12 07/04/2025 22:05:04 76.21,-144.12 53.43 07/04/2025 22:06:09 76.19,-144.08 53.43 2.09 65
13 07/04/2025 22:55:54 -76.44, 22.31 126.36 07/04/2025 22:57:04 -76.43, 24.05 126.32 45.30 70

Figure of FY3D and NOAA-19 satellite orbits during SNOs since TLE Epoch: 6/25/2025
SNOs_Map_FY3D_NOAA-19_20250625.jpg

Download SNOs between FY3D and NOAA-19 since TLE EPOCH: 06/25/2025 in txt file.

Historial Predications of SNOs between FY3D and NOAA-19