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: 11/8/2025
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 11/10/2025 05:28:54 -76.88, -74.22 85.71 11/10/2025 05:30:01 -76.78, -71.69 85.66 64.84 67
2 11/10/2025 06:19:29 76.45, 94.84 93.96 11/10/2025 06:19:34 76.43, 94.75 93.94 2.81 5
3 11/10/2025 07:10:13 -76.43, -97.77 86.05 11/10/2025 07:09:02 -76.40, -97.71 86.08 2.88 71
4 11/12/2025 21:45:21 -76.58, 42.91 85.21 11/12/2025 21:46:33 -76.52, 43.28 85.24 11.97 72
5 11/12/2025 22:36:03 76.46,-149.27 94.70 11/12/2025 22:36:00 76.45,-149.31 94.69 1.14 3
6 11/12/2025 23:26:42 -76.22, 18.96 85.48 11/12/2025 23:25:31 -76.28, 17.77 85.50 32.15 71
7 11/15/2025 14:01:54 -76.52, 159.12 84.58 11/15/2025 14:03:00 -76.51, 159.15 84.57 0.88 66
8 11/15/2025 14:52:38 76.48, -33.42 95.41 11/15/2025 14:52:26 76.49, -33.29 95.42 3.45 12
9 11/15/2025 15:43:09 -75.88, 136.11 85.05 11/15/2025 15:42:05 -75.93, 132.57 85.21 96.09 64
10 11/18/2025 06:18:28 -76.50, -84.88 83.94 11/18/2025 06:19:26 -76.52, -84.92 83.91 2.84 58
11 11/18/2025 07:09:12 76.46, 82.59 96.04 11/18/2025 07:08:53 76.45, 82.47 96.02 3.28 19
12 11/20/2025 22:35:03 -76.54, 30.91 83.30 11/20/2025 22:35:52 -76.51, 30.91 83.32 3.24 49
13 11/20/2025 23:25:47 76.49,-161.61 96.68 11/20/2025 23:25:18 76.48,-161.54 96.66 2.73 29

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 11/8/2025
SNOs_Map_FY3D_LANDSAT-8_20251108.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 11/08/2025 in txt file.

Historial Predications of SNOs between FY3D and LANDSAT-8