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: 4/12/2025
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 04/13/2025 00:50:21 75.91, 173.46 66.84 04/13/2025 00:51:32 75.79, 174.49 66.75 31.49 71
2 04/13/2025 01:40:59 -75.66, -18.37 113.40 04/13/2025 01:41:02 -75.66, -18.25 113.40 3.34 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 10.09 73
4 04/15/2025 17:07:00 75.69, -69.92 65.69 04/15/2025 17:08:00 75.70, -69.87 65.71 1.76 60
5 04/15/2025 17:57:42 -75.62, 97.63 114.39 04/15/2025 17:57:29 -75.63, 97.55 114.39 2.38 13
6 04/18/2025 09:23:44 75.67, 46.04 64.74 04/18/2025 09:24:27 75.68, 45.95 64.75 2.59 43
7 04/18/2025 10:14:27 -75.65,-146.56 115.30 04/18/2025 10:13:55 -75.66,-146.49 115.30 2.19 32
8 04/21/2025 01:40:29 75.71, 161.80 63.86 04/21/2025 01:40:52 75.72, 161.94 63.87 3.81 23
9 04/21/2025 02:31:11 -75.64, -30.64 116.22 04/21/2025 02:30:21 -75.64, -30.64 116.23 0.71 50
10 04/23/2025 17:06:37 -76.16, 108.79 116.62 04/23/2025 17:07:44 -76.08, 111.29 116.61 67.41 67
11 04/23/2025 17:57:13 75.71, -82.33 62.97 04/23/2025 17:57:17 75.71, -82.19 62.97 3.78 4

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 4/12/2025
SNOs_Map_FY3D_LANDSAT-8_20250412.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 04/12/2025 in txt file.

Historial Predications of SNOs between FY3D and LANDSAT-8