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: 9/25/2025
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 09/28/2025 10:44:32 -76.31,-152.10 101.28 09/28/2025 10:45:20 -76.29,-152.15 101.30 3.25 48
2 09/28/2025 11:35:16 76.25, 15.45 78.69 09/28/2025 11:34:46 76.27, 15.44 78.70 2.10 30
3 10/01/2025 03:01:09 -76.31, -36.16 100.24 10/01/2025 03:01:46 -76.32, -36.15 100.21 1.83 37
4 10/01/2025 03:51:53 76.25, 131.36 79.74 10/01/2025 03:51:13 76.25, 131.27 79.73 2.42 40
5 10/03/2025 19:17:47 -76.31, 79.74 99.18 10/03/2025 19:18:13 -76.32, 79.75 99.17 1.39 26
6 10/03/2025 20:08:31 76.26,-112.76 80.80 10/03/2025 20:07:40 76.25,-112.84 80.77 2.44 51
7 10/06/2025 11:34:25 -76.33,-164.40 98.13 10/06/2025 11:34:39 -76.34,-164.31 98.11 2.62 14
8 10/06/2025 12:25:09 76.28, 3.08 81.86 10/06/2025 12:24:06 76.26, 3.09 81.82 2.22 63
9 10/09/2025 03:00:24 76.60, 143.15 83.11 10/09/2025 03:01:34 76.48, 144.43 83.08 35.61 70
10 10/09/2025 03:51:02 -76.31, -48.42 97.11 10/09/2025 03:51:05 -76.32, -48.48 97.11 1.81 3

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 9/25/2025
SNOs_Map_FY3D_LANDSAT-8_20250926.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 09/25/2025 in txt file.

Historial Predications of SNOs between FY3D and LANDSAT-8