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: 5/13/2025
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 05/15/2025 02:29:27 75.81, 149.84 56.99 05/15/2025 02:30:14 75.80, 149.99 56.99 4.20 47
2 05/15/2025 03:20:09 -75.73, -42.58 123.09 05/15/2025 03:19:43 -75.73, -42.60 123.10 0.71 26
3 05/17/2025 18:46:09 75.80, -94.23 56.37 05/17/2025 18:46:44 75.77, -94.21 56.35 2.71 35
4 05/17/2025 19:36:52 -75.76, 73.22 123.67 05/17/2025 19:36:12 -75.75, 73.36 123.69 3.98 40
5 05/20/2025 11:02:51 75.79, 21.68 55.80 05/20/2025 11:03:13 75.78, 21.68 55.78 1.96 22
6 05/20/2025 11:53:34 -75.75,-170.85 124.25 05/20/2025 11:52:41 -75.76,-170.74 124.25 3.10 53
7 05/23/2025 02:29:00 -76.40, -31.92 124.20 05/23/2025 02:30:04 -76.32, -28.37 124.14 93.34 64
8 05/23/2025 03:19:32 75.80, 137.57 55.27 05/23/2025 03:19:40 75.81, 137.66 55.29 2.96 8
9 05/23/2025 04:10:15 -75.75, -54.94 124.78 05/23/2025 04:09:09 -75.74, -54.90 124.80 1.31 66
10 05/25/2025 18:45:30 -75.86, 85.92 125.16 05/25/2025 18:46:42 -75.85, 86.04 125.15 3.42 72
11 05/25/2025 19:36:14 75.80,-106.56 54.79 05/25/2025 19:36:09 75.77,-106.56 54.76 3.59 5

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 5/13/2025
SNOs_Map_FY3D_LANDSAT-8_20250513.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 05/13/2025 in txt file.

Historial Predications of SNOs between FY3D and LANDSAT-8