Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between FY3D and LANDSAT-8 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 4/28/2025
Index Date (FY3D) Time (FY3D) Lat,Lon (FY3D) SZA (FY3D ) Date (LANDSAT-8) Time (LANDSAT-8) Lat,Lon (LANDSAT-8) SZA (LANDSAT-8 ) Distance(km) Time Diff (sec)
1 04/29/2025 01:39:54 -75.73, -17.94 118.71 04/29/2025 01:40:51 -75.73, -18.03 118.70 2.61 57
2 04/29/2025 02:30:39 75.68, 149.55 61.24 04/29/2025 02:30:17 75.72, 149.56 61.27 3.90 22
3 05/01/2025 17:56:38 -75.77, 97.84 119.49 05/01/2025 17:57:20 -75.74, 97.86 119.51 3.14 42
4 05/01/2025 18:47:23 75.72, -94.68 60.46 05/01/2025 18:46:46 75.72, -94.56 60.46 3.34 37
5 05/04/2025 10:13:20 -75.76,-146.26 120.27 05/04/2025 10:13:47 -75.76,-146.21 120.27 1.39 27
6 05/04/2025 11:04:05 75.72, 21.20 59.68 05/04/2025 11:03:14 75.68, 21.22 59.64 3.90 51
7 05/07/2025 01:39:32 76.34, 160.24 59.51 05/07/2025 01:40:37 76.25, 163.55 59.54 87.86 65
8 05/07/2025 02:30:03 -75.77, -30.39 121.01 05/07/2025 02:30:15 -75.74, -30.38 121.04 3.44 12
9 05/07/2025 03:20:47 75.69, 137.21 58.91 05/07/2025 03:19:41 75.71, 137.18 58.92 3.16 66
10 05/09/2025 17:56:03 75.83, -82.01 58.33 05/09/2025 17:57:13 75.81, -81.95 58.32 2.92 70
11 05/09/2025 18:46:45 -75.75, 85.59 121.75 05/09/2025 18:46:42 -75.74, 85.49 121.77 2.90 3

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 4/28/2025
SNOs_Map_FY3D_LANDSAT-8_20250428.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 04/28/2025 in txt file.

Historial Predications of SNOs between FY3D and LANDSAT-8