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: 7/22/2025
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 76.08, -26.93 56.16 07/23/2025 14:21:21 76.08, -26.85 56.17 2.13 72
2 07/23/2025 15:10:52 -76.03, 140.57 123.88 07/23/2025 15:10:50 -76.00, 140.56 123.91 2.80 2
3 07/23/2025 16:01:30 75.69, -50.96 55.84 07/23/2025 16:00:20 75.79, -52.45 55.87 42.30 70
4 07/26/2025 06:36:47 76.05, 89.06 56.72 07/26/2025 06:37:50 76.06, 88.97 56.73 2.49 63
5 07/26/2025 07:27:30 -76.00,-103.45 123.32 07/26/2025 07:27:18 -76.03,-103.47 123.30 3.10 12
6 07/28/2025 22:53:27 76.08,-155.13 57.36 07/28/2025 22:54:19 76.07,-155.10 57.36 1.43 52
7 07/28/2025 23:44:10 -76.03, 12.36 122.68 07/28/2025 23:43:47 -76.05, 12.47 122.66 3.37 23
8 07/31/2025 15:10:06 76.07, -39.17 58.00 07/31/2025 15:10:48 76.07, -39.22 58.01 1.39 42
9 07/31/2025 16:00:49 -76.02, 128.32 122.03 07/31/2025 16:00:17 -76.00, 128.21 122.06 3.46 32
10 08/03/2025 07:26:45 76.06, 76.77 58.69 08/03/2025 07:27:17 76.05, 76.62 58.68 4.07 32

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 7/22/2025
SNOs_Map_FY3D_LANDSAT-8_20250722.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 07/22/2025 in txt file.

Historial Predications of SNOs between FY3D and LANDSAT-8