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: 8/22/2025
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 -76.14, 116.35 114.63 08/24/2025 16:49:50 -76.17, 116.34 114.61 2.54 21
2 08/24/2025 17:40:14 76.10, -76.17 65.35 08/24/2025 17:39:17 76.10, -76.23 65.34 1.66 57
3 08/27/2025 08:15:36 76.64, 63.06 66.73 08/27/2025 08:16:42 76.56, 65.88 66.76 73.31 66
4 08/27/2025 09:06:09 -76.17,-127.84 113.67 08/27/2025 09:06:18 -76.15,-127.83 113.69 2.44 9
5 08/27/2025 09:56:54 76.13, 39.63 66.31 08/27/2025 09:55:44 76.13, 39.74 66.30 2.98 70
6 08/30/2025 00:32:07 76.23,-179.46 67.33 08/30/2025 00:33:17 76.23,-179.30 67.36 4.16 70
7 08/30/2025 01:22:49 -76.15, -11.88 112.72 08/30/2025 01:22:46 -76.16, -11.89 112.71 1.09 3
8 08/30/2025 02:13:27 75.80, 156.70 66.99 08/30/2025 02:12:18 75.85, 154.77 66.95 52.93 69
9 09/01/2025 16:48:47 76.22, -63.52 68.30 09/01/2025 16:49:45 76.23, -63.42 68.33 3.24 58
10 09/01/2025 17:39:29 -76.14, 104.07 111.75 09/01/2025 17:39:14 -76.17, 104.00 111.74 3.18 15
11 09/04/2025 09:05:27 76.21, 52.41 69.29 09/04/2025 09:06:13 76.22, 52.42 69.31 0.96 46
12 09/04/2025 09:56:10 -76.18,-140.15 110.73 09/04/2025 09:55:42 -76.15,-140.15 110.76 2.82 28

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 8/22/2025
SNOs_Map_FY3D_LANDSAT-8_20250823.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 08/22/2025 in txt file.

Historial Predications of SNOs between FY3D and LANDSAT-8