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: 7/23/2025
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 07/23/2025 14:20:09 76.09, -26.98 56.18 07/23/2025 14:21:21 76.06, -26.90 56.15 4.40 72
2 07/23/2025 15:10:51 -76.00, 140.67 123.90 07/23/2025 15:10:49 -76.03, 140.65 123.87 3.62 2
3 07/23/2025 16:01:30 75.71, -51.01 55.85 07/23/2025 16:00:20 75.77, -52.51 55.85 41.52 70
4 07/26/2025 06:36:48 76.07, 89.00 56.73 07/26/2025 06:37:50 76.08, 89.05 56.75 1.82 62
5 07/26/2025 07:27:31 -76.02,-103.51 123.30 07/26/2025 07:27:19 -76.01,-103.54 123.32 1.71 12
6 07/28/2025 22:53:27 76.10,-155.19 57.38 07/28/2025 22:54:18 76.09,-155.04 57.38 4.02 51
7 07/28/2025 23:44:09 -76.01, 12.46 122.70 07/28/2025 23:43:47 -76.02, 12.38 122.69 2.69 22
8 07/31/2025 15:10:06 76.08, -39.23 58.02 07/31/2025 15:10:47 76.08, -39.18 58.02 1.38 41
9 07/31/2025 16:00:49 -76.04, 128.25 122.02 07/31/2025 16:00:16 -76.01, 128.24 122.05 2.93 33
10 08/03/2025 07:26:45 76.08, 76.71 58.70 08/03/2025 07:27:16 76.05, 76.62 58.68 3.35 31
11 08/03/2025 08:17:28 -76.03,-115.81 121.33 08/03/2025 08:16:44 -76.04,-115.79 121.33 0.92 44
12 08/05/2025 23:43:24 76.07,-167.37 59.42 08/05/2025 23:43:44 76.06,-167.47 59.41 2.90 20

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 7/23/2025
SNOs_Map_FY3D_LANDSAT-8_20250723.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 07/23/2025 in txt file.

Historial Predications of SNOs between FY3D and LANDSAT-8