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: 8/26/2025
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 08:15:37 76.66, 62.96 66.75 08/27/2025 08:16:43 76.54, 65.80 66.74 74.68 66
2 08/27/2025 09:06:09 -76.15,-127.79 113.68 08/27/2025 09:06:18 -76.17,-127.77 113.67 1.41 9
3 08/27/2025 09:56:54 76.11, 39.70 66.30 08/27/2025 09:55:45 76.10, 39.67 66.28 0.85 69
4 08/30/2025 00:32:07 76.21,-179.40 67.32 08/30/2025 00:33:18 76.21,-179.39 67.33 0.27 71
5 08/30/2025 01:22:49 -76.14, -11.84 112.73 08/30/2025 01:22:46 -76.18, -11.85 112.70 4.04 3
6 08/30/2025 02:13:27 75.78, 156.75 66.98 08/30/2025 02:12:19 75.82, 154.68 66.92 56.62 68
7 09/01/2025 16:48:46 76.21, -63.48 68.29 09/01/2025 16:49:45 76.20, -63.53 68.29 1.39 59
8 09/01/2025 17:39:29 -76.18, 103.93 111.72 09/01/2025 17:39:13 -76.17, 104.03 111.73 2.58 16
9 09/04/2025 09:05:26 76.21, 52.43 69.29 09/04/2025 09:06:12 76.23, 52.44 69.31 2.27 46
10 09/04/2025 09:56:09 -76.18,-140.15 110.73 09/04/2025 09:55:41 -76.15,-140.15 110.76 2.57 28
11 09/07/2025 01:22:06 76.21, 168.32 70.30 09/07/2025 01:22:39 76.23, 168.36 70.33 2.83 33
12 09/07/2025 02:12:49 -76.18, -24.25 109.72 09/07/2025 02:12:08 -76.16, -24.23 109.74 1.58 41
13 09/09/2025 17:38:46 76.22, -75.81 71.33 09/09/2025 17:39:06 76.22, -75.78 71.33 1.07 20

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 8/26/2025
SNOs_Map_FY3D_LANDSAT-8_20250827.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 08/26/2025 in txt file.

Historial Predications of SNOs between FY3D and LANDSAT-8