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: 11/5/2025
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 11/07/2025 14:02:54 76.45, -21.12 93.20 11/07/2025 14:03:06 76.43, -21.16 93.18 3.01 12
2 11/07/2025 14:53:37 -76.39, 146.45 86.84 11/07/2025 14:52:34 -76.40, 146.39 86.85 2.23 63
3 11/10/2025 05:28:54 -76.88, -74.23 85.71 11/10/2025 05:30:01 -76.79, -71.68 85.66 65.63 67
4 11/10/2025 06:19:29 76.45, 94.81 93.97 11/10/2025 06:19:34 76.43, 94.75 93.95 2.61 5
5 11/10/2025 07:10:12 -76.39, -97.62 86.08 11/10/2025 07:09:02 -76.41, -97.70 86.08 3.22 70
6 11/12/2025 21:45:22 -76.59, 42.91 85.21 11/12/2025 21:46:34 -76.54, 43.34 85.22 12.40 72
7 11/12/2025 22:36:03 76.46,-149.29 94.70 11/12/2025 22:36:00 76.47,-149.26 94.71 0.92 3
8 11/12/2025 23:26:43 -76.26, 18.79 85.45 11/12/2025 23:25:31 -76.30, 17.83 85.48 25.63 72
9 11/15/2025 14:01:54 -76.51, 159.13 84.58 11/15/2025 14:03:01 -76.50, 159.10 84.58 1.76 67
10 11/15/2025 14:52:38 76.48, -33.41 95.41 11/15/2025 14:52:27 76.47, -33.34 95.40 1.73 11
11 11/15/2025 15:43:10 -75.92, 135.96 85.02 11/15/2025 15:42:05 -75.97, 132.67 85.17 88.94 65
12 11/18/2025 06:18:29 -76.54, -85.02 83.91 11/18/2025 06:19:27 -76.53, -84.90 83.90 3.29 58
13 11/18/2025 07:09:12 76.45, 82.61 96.04 11/18/2025 07:08:54 76.46, 82.49 96.03 3.20 18

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 11/5/2025
SNOs_Map_FY3D_LANDSAT-8_20251106.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 11/05/2025 in txt file.

Historial Predications of SNOs between FY3D and LANDSAT-8