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: 11/1/2025
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 11/02/2025 05:29:44 76.43, 107.10 91.56 11/02/2025 05:30:09 76.43, 107.08 91.55 0.88 25
2 11/02/2025 06:20:28 -76.41, -85.50 88.46 11/02/2025 06:19:37 -76.40, -85.37 88.47 3.52 51
3 11/04/2025 21:46:18 76.42,-136.92 92.38 11/04/2025 21:46:37 76.44,-137.00 92.39 2.78 19
4 11/04/2025 22:37:02 -76.40, 30.49 87.64 11/04/2025 22:36:05 -76.41, 30.55 87.63 2.36 57
5 11/07/2025 14:02:54 76.46, -21.14 93.21 11/07/2025 14:03:05 76.47, -21.01 93.23 3.72 11
6 11/07/2025 14:53:37 -76.39, 146.44 86.84 11/07/2025 14:52:34 -76.40, 146.39 86.85 1.73 63
7 11/10/2025 05:28:54 -76.89, -74.25 85.71 11/10/2025 05:30:01 -76.79, -71.66 85.65 66.39 67
8 11/10/2025 06:19:29 76.46, 94.78 93.98 11/10/2025 06:19:34 76.43, 94.75 93.94 3.37 5
9 11/10/2025 07:10:12 -76.39, -97.63 86.07 11/10/2025 07:09:02 -76.41, -97.68 86.07 2.61 70
10 11/12/2025 21:45:22 -76.59, 42.88 85.21 11/12/2025 21:46:34 -76.54, 43.36 85.22 13.54 72
11 11/12/2025 22:36:04 76.47,-149.33 94.71 11/12/2025 22:36:01 76.47,-149.25 94.71 1.97 3
12 11/12/2025 23:26:44 -76.27, 18.76 85.44 11/12/2025 23:25:32 -76.30, 17.84 85.47 24.48 72
13 11/15/2025 14:01:54 -76.52, 159.09 84.57 11/15/2025 14:03:01 -76.50, 159.12 84.57 2.31 67

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 11/1/2025
SNOs_Map_FY3D_LANDSAT-8_20251102.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 11/01/2025 in txt file.

Historial Predications of SNOs between FY3D and LANDSAT-8