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: 9/10/2025
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 09/12/2025 09:55:24 76.24, 40.02 72.37 09/12/2025 09:55:47 76.21, 39.99 72.34 3.67 23
2 09/12/2025 10:46:06 -76.17,-152.39 107.68 09/12/2025 10:45:15 -76.18,-152.47 107.68 2.38 51
3 09/15/2025 02:12:03 76.23, 155.96 73.41 09/15/2025 02:12:15 76.23, 155.93 73.40 0.99 12
4 09/15/2025 03:02:46 -76.20, -36.60 106.61 09/15/2025 03:01:43 -76.20, -36.52 106.62 2.22 63
5 09/17/2025 17:38:03 -76.52, 103.46 105.33 09/17/2025 17:39:13 -76.44, 104.89 105.33 38.06 70
6 09/17/2025 18:28:42 76.23, -88.12 74.45 09/17/2025 18:28:43 76.23, -88.18 74.44 1.50 1
7 09/17/2025 19:19:25 -76.19, 79.34 105.57 09/17/2025 19:18:11 -76.20, 79.39 105.57 1.98 74
8 09/20/2025 09:54:36 -76.30,-139.77 104.46 09/20/2025 09:55:43 -76.29,-139.74 104.46 1.30 67
9 09/20/2025 10:45:20 76.23, 27.79 75.50 09/20/2025 10:45:09 76.26, 27.82 75.53 3.63 11
10 09/20/2025 11:35:53 -75.74,-163.14 104.89 09/20/2025 11:34:47 -75.75,-166.11 105.03 81.32 66
11 09/23/2025 02:11:15 -76.30, -23.86 103.41 09/23/2025 02:12:10 -76.31, -23.78 103.38 2.47 55
12 09/23/2025 03:01:59 76.24, 143.67 76.56 09/23/2025 03:01:37 76.23, 143.62 76.55 1.63 22

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 9/10/2025
SNOs_Map_FY3D_LANDSAT-8_20250910.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 09/10/2025 in txt file.

Historial Predications of SNOs between FY3D and LANDSAT-8