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: 3/12/2025
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 03/14/2025 16:17:55 -75.53, 122.11 102.27 03/14/2025 16:18:53 -75.55, 122.06 102.25 2.63 58
2 03/14/2025 17:08:39 75.46, -70.37 77.66 03/14/2025 17:08:20 75.47, -70.51 77.67 4.00 19
3 03/17/2025 08:34:44 -75.54,-122.06 103.31 03/17/2025 08:35:20 -75.52,-122.13 103.33 2.84 36
4 03/17/2025 09:25:28 75.47, 45.46 76.62 03/17/2025 09:24:46 75.49, 45.43 76.63 2.25 42
5 03/20/2025 00:01:02 76.16,-175.67 76.25 03/20/2025 00:02:06 76.12,-172.10 76.28 95.39 64
6 03/20/2025 00:51:33 -75.56, -6.27 104.34 03/20/2025 00:51:45 -75.55, -6.14 104.35 3.52 12
7 03/20/2025 01:42:17 75.49, 161.26 75.59 03/20/2025 01:41:12 75.47, 161.27 75.56 2.21 65
8 03/22/2025 16:17:37 75.56, -57.72 74.62 03/22/2025 16:18:42 75.57, -57.83 74.64 3.41 65
9 03/22/2025 17:08:20 -75.55, 109.64 105.41 03/22/2025 17:08:09 -75.56, 109.75 105.40 3.40 11
10 03/22/2025 17:58:51 74.87, -80.97 73.97 03/22/2025 17:57:47 74.92, -84.33 73.92 97.53 64
11 03/25/2025 08:34:24 75.56, 58.15 73.58 03/25/2025 08:35:05 75.59, 58.11 73.61 3.44 41
12 03/25/2025 09:25:08 -75.55,-134.50 106.45 03/25/2025 09:24:34 -75.52,-134.45 106.48 3.18 34

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 3/12/2025
SNOs_Map_FY3D_LANDSAT-8_20250312.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 03/12/2025 in txt file.

Historial Predications of SNOs between FY3D and LANDSAT-8