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: 8/12/2025
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 08/13/2025 23:42:47 -76.13, 12.77 118.17 08/13/2025 23:43:54 -76.12, 12.68 118.18 2.91 67
2 08/14/2025 00:33:32 76.09,-179.76 61.81 08/14/2025 00:33:20 76.10,-179.73 61.82 1.69 12
3 08/14/2025 01:24:04 -75.57, -10.64 118.64 08/14/2025 01:22:58 -75.59, -13.65 118.74 83.49 66
4 08/16/2025 15:59:28 -76.15, 128.63 117.32 08/16/2025 16:00:23 -76.16, 128.68 117.29 1.96 55
5 08/16/2025 16:50:13 76.10, -63.91 62.66 08/16/2025 16:49:50 76.09, -63.89 62.65 1.46 23
6 08/19/2025 08:16:09 -76.16,-115.53 116.43 08/19/2025 08:16:53 -76.13,-115.52 116.45 3.33 44
7 08/19/2025 09:06:54 76.12, 51.93 63.55 08/19/2025 09:06:19 76.11, 52.05 63.54 3.29 35
8 08/22/2025 00:32:48 -76.14, 0.46 115.55 08/22/2025 00:33:21 -76.14, 0.37 115.55 2.42 33
9 08/22/2025 01:23:33 76.10, 167.92 64.43 08/22/2025 01:22:47 76.11, 167.94 64.43 1.55 46
10 08/24/2025 16:49:29 -76.16, 116.28 114.61 08/24/2025 16:49:49 -76.17, 116.38 114.60 2.83 20

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 8/12/2025
SNOs_Map_FY3D_LANDSAT-8_20250813.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 08/12/2025 in txt file.

Historial Predications of SNOs between FY3D and LANDSAT-8