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: 6/8/2025
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 06/10/2025 19:35:04 76.35,-107.78 53.29 06/10/2025 19:36:10 76.27,-105.03 53.32 73.01 66
2 06/10/2025 20:25:37 -75.84, 61.39 127.17 06/10/2025 20:25:46 -75.85, 61.31 127.15 2.75 9
3 06/10/2025 21:16:21 75.79,-131.12 52.79 06/10/2025 21:15:13 75.79,-131.24 52.77 3.38 68
4 06/13/2025 11:51:36 75.99, 9.44 52.81 06/13/2025 11:52:48 75.91, 9.72 52.75 12.06 72
5 06/13/2025 12:42:18 -75.88, 177.16 127.30 06/13/2025 12:42:16 -75.89, 177.29 127.28 3.93 2
6 06/13/2025 13:32:57 75.61, -14.60 52.47 06/13/2025 13:31:46 75.67, -15.71 52.48 31.49 71
7 06/16/2025 04:08:15 75.91, 125.65 52.61 06/16/2025 04:09:19 75.93, 125.65 52.64 2.49 64
8 06/16/2025 04:58:59 -75.88, -66.94 127.42 06/16/2025 04:58:48 -75.86, -66.91 127.43 1.84 11
9 06/18/2025 20:24:56 75.91,-118.47 52.55 06/18/2025 20:25:50 75.93,-118.46 52.58 2.25 54
10 06/18/2025 21:15:40 -75.88, 48.96 127.48 06/18/2025 21:15:19 -75.87, 48.98 127.50 1.36 21
11 06/21/2025 12:41:37 75.92, -2.60 52.54 06/21/2025 12:42:21 75.92, -2.62 52.54 0.51 44
12 06/21/2025 13:32:21 -75.88, 164.84 127.50 06/21/2025 13:31:50 -75.86, 164.83 127.53 2.72 31

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 6/8/2025
SNOs_Map_FY3D_LANDSAT-8_20250609.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 06/08/2025 in txt file.

Historial Predications of SNOs between FY3D and LANDSAT-8