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: 7/6/2025
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 07/07/2025 13:30:53 -75.98, 165.31 126.51 07/07/2025 13:31:50 -75.98, 165.20 126.51 3.04 57
2 07/07/2025 14:21:37 75.93, -27.21 53.46 07/07/2025 14:21:16 75.96, -27.21 53.48 2.96 21
3 07/10/2025 05:47:34 -76.02, -78.93 126.15 07/10/2025 05:48:18 -76.02, -78.79 126.15 3.89 44
4 07/10/2025 06:38:17 75.93, 88.70 53.78 07/10/2025 06:37:45 75.94, 88.64 53.78 2.57 32
5 07/12/2025 22:04:13 -75.98, 37.12 125.82 07/12/2025 22:04:47 -75.99, 37.03 125.81 3.20 34
6 07/12/2025 22:54:57 75.93,-155.40 54.14 07/12/2025 22:54:13 75.97,-155.40 54.17 4.25 44
7 07/15/2025 14:20:52 -75.98, 153.01 125.41 07/15/2025 14:21:14 -76.01, 152.96 125.38 3.08 22
8 07/15/2025 15:11:36 75.94, -39.52 54.56 07/15/2025 15:10:41 75.93, -39.63 54.54 3.18 55
9 07/18/2025 05:47:00 76.55, 99.48 55.55 07/18/2025 05:48:05 76.46, 102.67 55.57 83.33 65
10 07/18/2025 06:37:32 -75.99, -91.13 124.94 07/18/2025 06:37:42 -76.01, -91.15 124.93 1.80 10

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 7/6/2025
SNOs_Map_FY3D_LANDSAT-8_20250706.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 07/06/2025 in txt file.

Historial Predications of SNOs between FY3D and LANDSAT-8