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: 4/5/2025
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 04/07/2025 17:07:29 -75.64, 109.93 111.46 04/07/2025 17:08:08 -75.62, 109.90 111.48 2.46 39
2 04/07/2025 17:58:14 75.60, -82.61 68.49 04/07/2025 17:57:34 75.60, -82.52 68.49 2.64 40
3 04/10/2025 09:24:13 -75.63,-134.15 112.46 04/10/2025 09:24:33 -75.65,-134.14 112.44 1.84 20
4 04/10/2025 10:14:58 75.59, 33.31 67.49 04/10/2025 10:14:00 75.57, 33.29 67.47 1.52 58
5 04/13/2025 00:50:18 75.80, 173.84 66.74 04/13/2025 00:51:30 75.70, 174.26 66.66 16.10 72
6 04/13/2025 01:40:58 -75.63, -18.28 113.43 04/13/2025 01:40:59 -75.63, -18.31 113.43 1.09 1
7 04/13/2025 02:31:39 75.40, 149.78 66.36 04/13/2025 02:30:27 75.50, 148.97 66.42 25.06 72
8 04/15/2025 17:07:00 75.68, -69.87 65.68 04/15/2025 17:07:55 75.69, -69.89 65.69 0.57 55
9 04/15/2025 17:57:43 -75.65, 97.55 114.37 04/15/2025 17:57:23 -75.67, 97.68 114.35 4.01 20
10 04/18/2025 09:23:44 75.67, 46.05 64.73 04/18/2025 09:24:19 75.68, 45.98 64.74 2.18 35
11 04/18/2025 10:14:27 -75.64,-146.52 115.31 04/18/2025 10:13:47 -75.66,-146.45 115.30 2.92 40

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 4/5/2025
SNOs_Map_FY3D_LANDSAT-8_20250405.jpg

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

Historial Predications of SNOs between FY3D and LANDSAT-8