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: 10/29/2025
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 10/30/2025 13:13:08 76.43, -8.83 90.69 10/30/2025 13:13:39 76.41, -8.83 90.68 2.13 31
2 10/30/2025 14:03:51 -76.37, 158.74 89.35 10/30/2025 14:03:07 -76.39, 158.71 89.35 2.48 44
3 11/02/2025 05:29:43 76.41, 107.18 91.54 11/02/2025 05:30:08 76.45, 107.16 91.58 4.13 25
4 11/02/2025 06:20:27 -76.39, -85.41 88.47 11/02/2025 06:19:37 -76.38, -85.44 88.50 1.41 50
5 11/04/2025 21:46:19 76.44,-137.01 92.40 11/04/2025 21:46:37 76.46,-136.92 92.42 2.89 18
6 11/04/2025 22:37:02 -76.37, 30.57 87.65 11/04/2025 22:36:06 -76.39, 30.48 87.66 3.07 56
7 11/07/2025 14:02:54 76.44, -21.07 93.19 11/07/2025 14:03:06 76.44, -21.10 93.20 0.91 12
8 11/07/2025 14:53:38 -76.41, 146.36 86.82 11/07/2025 14:52:34 -76.42, 146.47 86.82 3.29 64
9 11/10/2025 05:28:53 -76.87, -74.17 85.72 11/10/2025 05:30:01 -76.76, -71.76 85.69 62.12 68
10 11/10/2025 06:19:28 76.44, 94.85 93.96 11/10/2025 06:19:33 76.45, 94.81 93.96 1.39 5
11 11/10/2025 07:10:12 -76.42, -97.72 86.06 11/10/2025 07:09:01 -76.43, -97.62 86.05 3.34 71
12 11/12/2025 21:45:22 -76.62, 42.78 85.19 11/12/2025 21:46:34 -76.51, 43.25 85.26 17.06 72

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 10/29/2025
SNOs_Map_FY3D_LANDSAT-8_20251030.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 10/29/2025 in txt file.

Historial Predications of SNOs between FY3D and LANDSAT-8