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: 11/8/2025
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 11/10/2025 05:28:53 -76.86, -74.16 85.72 11/10/2025 05:30:01 -76.75, -71.82 85.70 60.87 68
2 11/10/2025 06:19:28 76.43, 94.89 93.95 11/10/2025 06:19:33 76.45, 94.79 93.96 3.07 5
3 11/10/2025 07:10:12 -76.41, -97.72 86.06 11/10/2025 07:09:01 -76.42, -97.67 86.07 1.31 71
4 11/12/2025 21:45:21 -76.57, 42.96 85.22 11/12/2025 21:46:33 -76.53, 43.30 85.24 10.29 72
5 11/12/2025 22:36:03 76.45,-149.23 94.69 11/12/2025 22:36:00 76.46,-149.28 94.70 2.04 3
6 11/12/2025 23:26:42 -76.20, 19.00 85.49 11/12/2025 23:25:31 -76.29, 17.79 85.49 33.28 71
7 11/15/2025 14:01:54 -76.51, 159.15 84.58 11/15/2025 14:03:00 -76.51, 159.14 84.57 0.50 66
8 11/15/2025 14:52:38 76.47, -33.38 95.40 11/15/2025 14:52:26 76.49, -33.30 95.42 3.02 12
9 11/15/2025 15:43:09 -75.87, 136.14 85.06 11/15/2025 15:42:05 -75.93, 132.56 85.21 97.26 64
10 11/18/2025 06:18:27 -76.49, -84.86 83.94 11/18/2025 06:19:25 -76.51, -84.97 83.92 3.32 58
11 11/18/2025 07:09:11 76.45, 82.61 96.04 11/18/2025 07:08:51 76.48, 82.59 96.06 3.50 20
12 11/20/2025 22:35:02 -76.53, 30.92 83.30 11/20/2025 22:35:50 -76.53, 30.99 83.30 1.86 48
13 11/20/2025 23:25:46 76.49,-161.60 96.68 11/20/2025 23:25:16 76.50,-161.47 96.68 3.67 30

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 11/8/2025
SNOs_Map_FY3D_LANDSAT-8_20251109.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 11/08/2025 in txt file.

Historial Predications of SNOs between FY3D and LANDSAT-8