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: 6/21/2025
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, 175.96 126.74 07/04/2025 12:45:34 -76.06, 175.57 126.76 10.46 74
2 07/04/2025 13:37:34 76.12, -16.93 53.32 07/04/2025 13:36:29 76.10, -17.00 53.29 2.51 65
3 07/04/2025 14:28:19 -76.13, 150.35 126.67 07/04/2025 14:27:29 -76.12, 150.32 126.69 1.13 50
4 07/04/2025 15:19:04 76.14, -42.38 53.34 07/04/2025 15:18:25 76.12, -42.41 53.32 2.24 39
5 07/04/2025 16:09:49 -76.15, 124.90 126.65 07/04/2025 16:09:25 -76.14, 124.90 126.66 1.14 24
6 07/04/2025 17:00:34 76.16, -67.83 53.37 07/04/2025 17:00:21 76.14, -67.83 53.35 2.44 13
7 07/04/2025 17:51:19 -76.17, 99.45 126.62 07/04/2025 17:51:21 -76.16, 99.48 126.63 1.84 2
8 07/04/2025 18:42:04 76.18, -93.28 53.40 07/04/2025 18:42:17 76.16, -93.24 53.38 3.03 13
9 07/04/2025 19:32:49 -76.19, 74.00 126.60 07/04/2025 19:33:17 -76.18, 74.07 126.61 2.75 28
10 07/04/2025 20:23:33 76.16,-118.57 53.38 07/04/2025 20:24:13 76.18,-118.66 53.40 2.87 40
11 07/04/2025 21:14:18 -76.17, 48.71 126.61 07/04/2025 21:15:13 -76.19, 48.65 126.58 2.93 55
12 07/04/2025 22:05:03 76.18,-144.03 53.41 07/04/2025 22:06:09 76.20,-144.07 53.43 1.87 66
13 07/04/2025 22:55:54 -76.46, 22.25 126.34 07/04/2025 22:57:04 -76.43, 24.07 126.31 47.37 70

Figure of FY3D and NOAA-19 satellite orbits during SNOs since TLE Epoch: 6/21/2025
SNOs_Map_FY3D_NOAA-19_20250621.jpg

Download SNOs between FY3D and NOAA-19 since TLE EPOCH: 06/21/2025 in txt file.

Historial Predications of SNOs between FY3D and NOAA-19