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: 8/29/2025
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 08/30/2025 00:32:08 76.27,-179.63 67.37 08/30/2025 00:33:20 76.22,-179.35 67.35 9.02 72
2 08/30/2025 01:22:49 -76.16, -11.91 112.71 08/30/2025 01:22:49 -76.15, -11.96 112.73 2.20 0
3 08/30/2025 02:13:29 75.89, 156.38 67.07 08/30/2025 02:12:19 75.94, 155.03 67.05 36.86 70
4 09/01/2025 16:48:47 76.23, -63.56 68.31 09/01/2025 16:49:51 76.22, -63.50 68.31 2.01 64
5 09/01/2025 17:39:29 -76.16, 104.00 111.74 09/01/2025 17:39:20 -76.14, 103.90 111.76 3.38 9
6 09/04/2025 09:05:27 76.24, 52.31 69.31 09/04/2025 09:06:21 76.24, 52.44 69.33 3.52 54
7 09/04/2025 09:56:09 -76.17,-140.11 110.74 09/04/2025 09:55:50 -76.17,-140.15 110.74 1.04 19
8 09/07/2025 01:22:05 76.21, 168.32 70.30 09/07/2025 01:22:50 76.24, 168.32 70.33 3.31 45
9 09/07/2025 02:12:48 -76.18, -24.25 109.72 09/07/2025 02:12:19 -76.17, -24.26 109.74 1.16 29
10 09/09/2025 17:38:45 76.23, -75.86 71.34 09/09/2025 17:39:20 76.22, -75.86 71.33 1.73 35
11 09/09/2025 18:29:28 -76.20, 91.58 108.68 09/09/2025 18:28:48 -76.20, 91.71 108.69 3.45 40
12 09/12/2025 09:55:24 76.22, 40.10 72.36 09/12/2025 09:55:49 76.23, 40.04 72.36 1.44 25

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 8/29/2025
SNOs_Map_FY3D_LANDSAT-8_20250830.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 08/29/2025 in txt file.

Historial Predications of SNOs between FY3D and LANDSAT-8