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: 9/17/2025
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 09/20/2025 09:54:40 -76.44,-140.34 104.34 09/20/2025 09:55:52 -76.35,-139.58 104.39 22.41 72
2 09/20/2025 10:45:21 76.24, 27.75 75.51 09/20/2025 10:45:20 76.24, 27.70 75.50 1.39 1
3 09/20/2025 11:36:02 -76.11,-164.47 104.58 09/20/2025 11:34:49 -76.16,-164.91 104.57 12.95 73
4 09/23/2025 02:11:15 -76.31, -23.93 103.39 09/23/2025 02:12:22 -76.31, -23.84 103.38 2.45 67
5 09/23/2025 03:01:59 76.25, 143.63 76.57 09/23/2025 03:01:49 76.24, 143.58 76.56 1.59 10
6 09/23/2025 03:52:32 -75.75, -47.30 103.82 09/23/2025 03:51:26 -75.78, -50.21 103.95 79.73 66
7 09/25/2025 18:27:54 -76.32, 91.95 102.33 09/25/2025 18:28:52 -76.30, 92.00 102.34 3.26 58
8 09/25/2025 19:18:38 76.26,-100.51 77.64 09/25/2025 19:18:18 76.27,-100.43 77.65 2.45 20
9 09/28/2025 10:44:32 -76.29,-152.02 101.30 09/28/2025 10:45:21 -76.32,-152.05 101.27 2.87 49
10 09/28/2025 11:35:16 76.24, 15.50 78.67 09/28/2025 11:34:48 76.24, 15.35 78.67 3.98 28
11 10/01/2025 03:01:11 -76.31, -36.17 100.23 10/01/2025 03:01:50 -76.32, -36.16 100.21 1.25 39
12 10/01/2025 03:51:55 76.26, 131.32 79.75 10/01/2025 03:51:17 76.25, 131.24 79.72 2.78 38

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 9/17/2025
SNOs_Map_FY3D_LANDSAT-8_20250918.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 09/17/2025 in txt file.

Historial Predications of SNOs between FY3D and LANDSAT-8