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: 8/25/2025
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 08/27/2025 08:15:36 76.64, 63.05 66.73 08/27/2025 08:16:42 76.56, 65.89 66.77 73.75 66
2 08/27/2025 09:06:09 -76.18,-127.86 113.66 08/27/2025 09:06:18 -76.14,-127.84 113.69 3.48 9
3 08/27/2025 09:56:54 76.13, 39.62 66.31 08/27/2025 09:55:44 76.13, 39.75 66.31 3.43 70
4 08/30/2025 00:32:06 76.19,-179.32 67.30 08/30/2025 00:33:18 76.19,-179.46 67.30 3.87 72
5 08/30/2025 01:22:49 -76.16, -11.92 112.71 08/30/2025 01:22:46 -76.16, -11.91 112.72 0.66 3
6 08/30/2025 02:13:27 75.80, 156.67 67.00 08/30/2025 02:12:18 75.85, 154.76 66.95 52.27 69
7 09/01/2025 16:48:47 76.23, -63.56 68.31 09/01/2025 16:49:45 76.23, -63.44 68.33 3.37 58
8 09/01/2025 17:39:29 -76.16, 104.02 111.74 09/01/2025 17:39:14 -76.16, 103.97 111.75 1.28 15
9 09/04/2025 09:05:27 76.23, 52.34 69.31 09/04/2025 09:06:13 76.21, 52.39 69.29 2.59 46
10 09/04/2025 09:56:09 -76.16,-140.07 110.75 09/04/2025 09:55:41 -76.19,-140.05 110.72 3.54 28
11 09/07/2025 01:22:06 76.23, 168.23 70.32 09/07/2025 01:22:39 76.22, 168.32 70.31 2.89 33

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 8/25/2025
SNOs_Map_FY3D_LANDSAT-8_20250826.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 08/25/2025 in txt file.

Historial Predications of SNOs between FY3D and LANDSAT-8