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: 9/5/2025
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 09/07/2025 01:22:05 76.22, 168.28 70.30 09/07/2025 01:22:49 76.23, 168.31 70.33 1.78 44
2 09/07/2025 02:12:47 -76.15, -24.15 109.74 09/07/2025 02:12:18 -76.16, -24.31 109.75 4.19 29
3 09/09/2025 17:38:45 76.25, -75.92 71.35 09/09/2025 17:39:18 76.23, -75.83 71.34 3.12 33
4 09/09/2025 18:29:27 -76.17, 91.67 108.70 09/09/2025 18:28:46 -76.20, 91.72 108.68 3.31 41
5 09/12/2025 09:55:24 76.24, 40.02 72.37 09/12/2025 09:55:46 76.24, 40.11 72.38 2.43 22
6 09/12/2025 10:46:06 -76.16,-152.37 107.68 09/12/2025 10:45:15 -76.17,-152.48 107.69 3.13 51
7 09/15/2025 02:12:03 76.24, 155.93 73.41 09/15/2025 02:12:14 76.23, 155.97 73.41 1.01 11
8 09/15/2025 03:02:46 -76.20, -36.61 106.61 09/15/2025 03:01:42 -76.21, -36.47 106.61 3.94 64
9 09/17/2025 17:38:01 -76.49, 103.58 105.35 09/17/2025 17:39:12 -76.37, 104.65 105.41 31.21 71
10 09/17/2025 18:28:41 76.25, -88.18 74.47 09/17/2025 18:28:40 76.25, -88.11 74.46 2.06 1

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 9/5/2025
SNOs_Map_FY3D_LANDSAT-8_20250906.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 09/05/2025 in txt file.

Historial Predications of SNOs between FY3D and LANDSAT-8