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: 8/17/2025
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 08/19/2025 08:16:08 -76.15,-115.50 116.44 08/19/2025 08:16:52 -76.15,-115.49 116.44 1.08 44
2 08/19/2025 09:06:53 76.11, 51.98 63.54 08/19/2025 09:06:19 76.08, 51.95 63.50 3.39 34
3 08/22/2025 00:32:48 -76.13, 0.49 115.56 08/22/2025 00:33:21 -76.16, 0.43 115.53 3.33 33
4 08/22/2025 01:23:33 76.09, 167.96 64.42 08/22/2025 01:22:48 76.09, 167.85 64.41 2.86 45
5 08/24/2025 16:49:29 -76.16, 116.31 114.62 08/24/2025 16:49:50 -76.15, 116.30 114.62 0.20 21
6 08/24/2025 17:40:14 76.11, -76.23 65.36 08/24/2025 17:39:16 76.13, -76.13 65.37 3.37 58
7 08/27/2025 08:15:37 76.65, 62.98 66.75 08/27/2025 08:16:43 76.54, 65.83 66.75 74.48 66
8 08/27/2025 09:06:09 -76.14,-127.73 113.69 08/27/2025 09:06:19 -76.14,-127.86 113.70 3.59 10
9 08/27/2025 09:56:54 76.10, 39.72 66.29 08/27/2025 09:55:45 76.11, 39.70 66.29 1.44 69
10 08/30/2025 00:32:06 76.20,-179.38 67.31 08/30/2025 00:33:17 76.22,-179.35 67.34 2.08 71
11 08/30/2025 01:22:49 -76.17, -11.95 112.70 08/30/2025 01:22:46 -76.15, -11.92 112.72 2.11 3

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 8/17/2025
SNOs_Map_FY3D_LANDSAT-8_20250817.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 08/17/2025 in txt file.

Historial Predications of SNOs between FY3D and LANDSAT-8