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: 7/9/2025
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 07/10/2025 05:47:34 -76.02, -78.93 126.15 07/10/2025 05:48:18 -76.02, -78.79 126.15 3.78 44
2 07/10/2025 06:38:17 75.92, 88.72 53.77 07/10/2025 06:37:45 75.95, 88.65 53.79 3.32 32
3 07/12/2025 22:04:14 -76.02, 36.98 125.79 07/12/2025 22:04:47 -76.00, 37.04 125.80 2.96 33
4 07/12/2025 22:54:58 75.97,-155.54 54.18 07/12/2025 22:54:13 75.97,-155.39 54.18 4.15 45
5 07/15/2025 14:20:53 -76.02, 152.87 125.37 07/15/2025 14:21:14 -76.01, 152.98 125.38 3.17 21
6 07/15/2025 15:11:36 75.93, -39.49 54.55 07/15/2025 15:10:41 75.94, -39.61 54.55 3.40 55
7 07/18/2025 05:47:00 76.54, 99.53 55.54 07/18/2025 05:48:05 76.47, 102.72 55.58 83.02 65
8 07/18/2025 06:37:32 -75.98, -91.09 124.95 07/18/2025 06:37:42 -76.02, -91.12 124.92 3.88 10
9 07/18/2025 07:28:16 75.94, 76.39 55.01 07/18/2025 07:27:09 75.94, 76.29 55.01 2.85 67
10 07/20/2025 22:03:30 76.10,-142.93 55.65 07/20/2025 22:04:41 76.08,-142.68 55.64 7.26 71
11 07/20/2025 22:54:12 -76.00, 24.77 124.45 07/20/2025 22:54:10 -76.01, 24.75 124.43 1.95 2

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 7/9/2025
SNOs_Map_FY3D_LANDSAT-8_20250709.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 07/09/2025 in txt file.

Historial Predications of SNOs between FY3D and LANDSAT-8