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: 4/11/2025
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 04/13/2025 00:50:21 75.91, 173.45 66.84 04/13/2025 00:51:32 75.79, 174.49 66.75 31.86 71
2 04/13/2025 01:40:59 -75.66, -18.37 113.40 04/13/2025 01:41:02 -75.66, -18.24 113.40 3.63 3
3 04/13/2025 02:31:42 75.52, 149.41 66.46 04/13/2025 02:30:29 75.59, 149.20 66.51 9.69 73
4 04/15/2025 17:07:00 75.70, -69.93 65.69 04/15/2025 17:08:00 75.71, -69.84 65.72 2.91 60
5 04/15/2025 17:57:42 -75.63, 97.62 114.39 04/15/2025 17:57:29 -75.64, 97.58 114.38 1.66 13
6 04/18/2025 09:23:44 75.68, 46.01 64.74 04/18/2025 09:24:27 75.70, 46.01 64.77 2.49 43
7 04/18/2025 10:14:27 -75.65,-146.58 115.30 04/18/2025 10:13:56 -75.63,-146.56 115.33 2.63 31
8 04/21/2025 01:40:28 75.68, 161.92 63.83 04/21/2025 01:40:53 75.71, 161.91 63.86 3.57 25
9 04/21/2025 02:31:11 -75.65, -30.67 116.22 04/21/2025 02:30:22 -75.64, -30.66 116.23 1.17 49
10 04/23/2025 17:06:38 -76.22, 108.57 116.57 04/23/2025 17:07:44 -76.15, 111.49 116.54 77.98 66
11 04/23/2025 17:57:12 75.68, -82.22 62.94 04/23/2025 17:57:19 75.68, -82.29 62.93 2.02 7

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 4/11/2025
SNOs_Map_FY3D_LANDSAT-8_20250411.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 04/11/2025 in txt file.

Historial Predications of SNOs between FY3D and LANDSAT-8