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: 8/23/2025
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 08/24/2025 16:49:29 -76.18, 116.23 114.60 08/24/2025 16:49:49 -76.18, 116.38 114.59 4.14 20
2 08/24/2025 17:40:14 76.13, -76.29 65.37 08/24/2025 17:39:16 76.12, -76.18 65.35 3.32 58
3 08/27/2025 08:15:36 76.63, 63.10 66.72 08/27/2025 08:16:43 76.53, 65.79 66.73 70.19 67
4 08/27/2025 09:06:09 -76.16,-127.81 113.67 08/27/2025 09:06:18 -76.17,-127.78 113.67 0.91 9
5 08/27/2025 09:56:54 76.12, 39.67 66.30 08/27/2025 09:55:45 76.10, 39.65 66.27 1.92 69
6 08/30/2025 00:32:07 76.22,-179.43 67.33 08/30/2025 00:33:18 76.21,-179.38 67.33 1.48 71
7 08/30/2025 01:22:49 -76.15, -11.86 112.73 08/30/2025 01:22:47 -76.14, -11.98 112.74 3.45 2
8 08/30/2025 02:13:27 75.79, 156.72 66.99 08/30/2025 02:12:18 75.87, 154.84 66.98 52.08 69
9 09/01/2025 16:48:47 76.21, -63.50 68.30 09/01/2025 16:49:46 76.22, -63.48 68.31 0.89 59
10 09/01/2025 17:39:29 -76.14, 104.08 111.75 09/01/2025 17:39:15 -76.15, 103.94 111.76 3.93 14
11 09/04/2025 09:05:26 76.21, 52.41 69.29 09/04/2025 09:06:13 76.21, 52.39 69.30 0.47 47
12 09/04/2025 09:56:09 -76.18,-140.16 110.73 09/04/2025 09:55:41 -76.19,-140.04 110.72 3.44 28

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 8/23/2025
SNOs_Map_FY3D_LANDSAT-8_20250824.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 08/23/2025 in txt file.

Historial Predications of SNOs between FY3D and LANDSAT-8