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: 5/4/2025
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 05/04/2025 10:13:20 -75.74,-146.19 120.29 05/04/2025 10:13:48 -75.73,-146.28 120.30 2.78 28
2 05/04/2025 11:04:05 75.69, 21.30 59.66 05/04/2025 11:03:14 75.72, 21.31 59.68 3.10 51
3 05/07/2025 01:39:33 76.36, 160.18 59.52 05/07/2025 01:40:37 76.30, 163.69 59.59 92.50 64
4 05/07/2025 02:30:03 -75.75, -30.31 121.03 05/07/2025 02:30:15 -75.78, -30.28 121.00 3.46 12
5 05/07/2025 03:20:48 75.70, 137.15 58.92 05/07/2025 03:19:42 75.71, 137.16 58.92 0.86 66
6 05/09/2025 17:56:02 75.79, -81.89 58.30 05/09/2025 17:57:13 75.82, -81.92 58.33 2.54 71
7 05/09/2025 18:46:45 -75.76, 85.53 121.74 05/09/2025 18:46:42 -75.74, 85.50 121.76 2.59 3
8 05/09/2025 19:37:23 75.40,-105.97 57.95 05/09/2025 19:36:14 75.42,-107.78 57.88 50.93 69
9 05/12/2025 10:12:45 75.82, 33.90 57.65 05/12/2025 10:13:40 75.80, 33.90 57.63 3.20 55
10 05/12/2025 11:03:27 -75.74,-158.51 122.44 05/12/2025 11:03:08 -75.77,-158.53 122.41 3.39 19
11 05/15/2025 02:29:27 75.82, 149.81 57.00 05/15/2025 02:30:06 75.79, 149.78 56.98 2.83 39
12 05/15/2025 03:20:10 -75.78, -42.73 123.05 05/15/2025 03:19:34 -75.77, -42.64 123.06 2.56 36
13 05/17/2025 18:46:09 75.82, -94.31 56.39 05/17/2025 18:46:31 75.81, -94.28 56.38 1.59 22

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 5/4/2025
SNOs_Map_FY3D_LANDSAT-8_20250504.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 05/04/2025 in txt file.

Historial Predications of SNOs between FY3D and LANDSAT-8