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: 11/7/2025
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 76.44, -21.05 93.19 11/07/2025 14:03:06 76.44, -21.10 93.20 1.62 12
2 11/07/2025 14:53:38 -76.41, 146.34 86.82 11/07/2025 14:52:34 -76.41, 146.44 86.83 2.44 64
3 11/10/2025 05:28:53 -76.87, -74.17 85.72 11/10/2025 05:30:01 -76.75, -71.80 85.70 61.52 68
4 11/10/2025 06:19:28 76.44, 94.87 93.96 11/10/2025 06:19:33 76.45, 94.80 93.96 2.36 5
5 11/10/2025 07:10:12 -76.42, -97.73 86.06 11/10/2025 07:09:01 -76.42, -97.65 86.06 2.05 71
6 11/12/2025 21:45:21 -76.57, 42.96 85.22 11/12/2025 21:46:34 -76.50, 43.21 85.27 10.36 73
7 11/12/2025 22:36:03 76.45,-149.23 94.69 11/12/2025 22:36:00 76.48,-149.22 94.72 3.32 3
8 11/12/2025 23:26:43 -76.25, 18.84 85.46 11/12/2025 23:25:31 -76.31, 17.85 85.47 26.83 72
9 11/15/2025 14:01:54 -76.50, 159.18 84.59 11/15/2025 14:03:01 -76.50, 159.11 84.58 1.82 67
10 11/15/2025 14:52:38 76.46, -33.36 95.40 11/15/2025 14:52:27 76.48, -33.33 95.41 1.82 11
11 11/15/2025 15:43:10 -75.91, 136.01 85.03 11/15/2025 15:42:05 -75.97, 132.68 85.17 90.11 65
12 11/18/2025 06:18:29 -76.52, -84.98 83.92 11/18/2025 06:19:27 -76.53, -84.91 83.90 1.85 58
13 11/18/2025 07:09:13 76.49, 82.49 96.06 11/18/2025 07:08:54 76.45, 82.48 96.03 3.57 19
14 11/20/2025 22:35:02 -76.51, 31.00 83.32 11/20/2025 22:35:52 -76.53, 30.99 83.30 2.05 50
15 11/20/2025 23:25:46 76.47,-161.52 96.66 11/20/2025 23:25:18 76.50,-161.47 96.68 3.42 28

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 11/7/2025
SNOs_Map_FY3D_LANDSAT-8_20251107.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 11/07/2025 in txt file.

Historial Predications of SNOs between FY3D and LANDSAT-8