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: 9/22/2025
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 09/23/2025 02:11:15 -76.29, -23.86 103.41 09/23/2025 02:12:22 -76.32, -23.80 103.37 3.39 67
2 09/23/2025 03:02:00 76.27, 143.55 76.59 09/23/2025 03:01:49 76.26, 143.65 76.58 2.57 11
3 09/23/2025 03:52:32 -75.73, -47.23 103.83 09/23/2025 03:51:26 -75.79, -50.17 103.94 80.64 66
4 09/25/2025 18:27:53 -76.31, 92.00 102.34 09/25/2025 18:28:51 -76.28, 91.95 102.36 3.44 58
5 09/25/2025 19:18:37 76.25,-100.45 77.63 09/25/2025 19:18:17 76.26,-100.46 77.64 2.18 20
6 09/28/2025 10:44:31 -76.29,-152.02 101.30 09/28/2025 10:45:19 -76.31,-152.08 101.28 2.34 48
7 09/28/2025 11:35:16 76.28, 15.35 78.71 09/28/2025 11:34:45 76.29, 15.50 78.72 3.95 31
8 10/01/2025 03:01:10 -76.33, -36.23 100.22 10/01/2025 03:01:47 -76.30, -36.22 100.24 3.07 37
9 10/01/2025 03:51:54 76.27, 131.28 79.76 10/01/2025 03:51:13 76.28, 131.35 79.75 1.80 41
10 10/03/2025 19:17:48 -76.33, 79.69 99.17 10/03/2025 19:18:14 -76.31, 79.70 99.18 2.04 26
11 10/03/2025 20:08:32 76.28,-112.82 80.81 10/03/2025 20:07:40 76.28,-112.74 80.80 2.17 52
12 10/06/2025 11:34:25 -76.34,-164.43 98.12 10/06/2025 11:34:39 -76.33,-164.32 98.12 2.87 14

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 9/22/2025
SNOs_Map_FY3D_LANDSAT-8_20250923.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 09/22/2025 in txt file.

Historial Predications of SNOs between FY3D and LANDSAT-8