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: 8/15/2025
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 08/16/2025 15:59:28 -76.16, 128.58 117.30 08/16/2025 16:00:23 -76.15, 128.64 117.31 1.90 55
2 08/16/2025 16:50:13 76.11, -63.94 62.67 08/16/2025 16:49:50 76.08, -63.92 62.64 3.37 23
3 08/19/2025 08:16:08 -76.13,-115.41 116.46 08/19/2025 08:16:53 -76.12,-115.55 116.46 3.88 45
4 08/19/2025 09:06:53 76.09, 52.06 63.52 08/19/2025 09:06:19 76.11, 52.03 63.53 2.26 34
5 08/22/2025 00:32:49 -76.15, 0.41 115.54 08/22/2025 00:33:22 -76.14, 0.36 115.56 2.36 33
6 08/22/2025 01:23:34 76.11, 167.88 64.44 08/22/2025 01:22:48 76.11, 167.94 64.44 1.61 46
7 08/24/2025 16:49:28 -76.13, 116.39 114.64 08/24/2025 16:49:50 -76.13, 116.24 114.64 3.98 22
8 08/24/2025 17:40:13 76.09, -76.16 65.34 08/24/2025 17:39:16 76.11, -76.20 65.35 1.96 57
9 08/27/2025 08:15:36 76.64, 63.06 66.73 08/27/2025 08:16:42 76.57, 65.92 66.77 74.09 66
10 08/27/2025 09:06:09 -76.16,-127.82 113.67 08/27/2025 09:06:18 -76.16,-127.78 113.67 1.09 9

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 8/15/2025
SNOs_Map_FY3D_LANDSAT-8_20250816.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 08/15/2025 in txt file.

Historial Predications of SNOs between FY3D and LANDSAT-8