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: 9/4/2025
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 01:22:06 76.23, 168.26 70.31 09/07/2025 01:22:50 76.22, 168.28 70.32 0.60 44
2 09/07/2025 02:12:49 -76.20, -24.33 109.70 09/07/2025 02:12:18 -76.20, -24.18 109.71 4.28 31
3 09/09/2025 17:38:44 76.21, -75.78 71.32 09/09/2025 17:39:18 76.22, -75.86 71.32 2.25 34
4 09/09/2025 18:29:27 -76.18, 91.64 108.70 09/09/2025 18:28:46 -76.19, 91.69 108.70 1.50 41
5 09/12/2025 09:55:23 76.21, 40.15 72.35 09/12/2025 09:55:46 76.23, 40.06 72.36 3.21 23
6 09/12/2025 10:46:06 -76.17,-152.41 107.67 09/12/2025 10:45:14 -76.20,-152.38 107.65 3.35 52
7 09/15/2025 02:12:02 76.21, 156.04 73.39 09/15/2025 02:12:14 76.21, 155.88 73.38 4.15 12
8 09/15/2025 03:02:45 -76.17, -36.50 106.63 09/15/2025 03:01:42 -76.19, -36.55 106.64 1.79 63
9 09/17/2025 17:38:01 -76.47, 103.66 105.37 09/17/2025 17:39:12 -76.38, 104.69 105.40 28.66 71
10 09/17/2025 18:28:41 76.23, -88.10 74.45 09/17/2025 18:28:40 76.26, -88.07 74.48 3.36 1

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 9/4/2025
SNOs_Map_FY3D_LANDSAT-8_20250905.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 09/04/2025 in txt file.

Historial Predications of SNOs between FY3D and LANDSAT-8