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: 8/20/2025
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 08/22/2025 00:32:49 -76.17, 0.37 115.53 08/22/2025 00:33:21 -76.17, 0.46 115.52 2.57 32
2 08/22/2025 01:23:34 76.12, 167.85 64.44 08/22/2025 01:22:48 76.10, 167.90 64.42 2.24 46
3 08/24/2025 16:49:29 -76.15, 116.34 114.63 08/24/2025 16:49:50 -76.16, 116.33 114.61 1.86 21
4 08/24/2025 17:40:14 76.10, -76.18 65.35 08/24/2025 17:39:17 76.09, -76.24 65.33 1.68 57
5 08/27/2025 08:15:36 76.64, 63.03 66.74 08/27/2025 08:16:42 76.55, 65.86 66.76 73.75 66
6 08/27/2025 09:06:09 -76.18,-127.86 113.66 08/27/2025 09:06:18 -76.14,-127.85 113.69 3.70 9
7 08/27/2025 09:56:54 76.13, 39.60 66.32 08/27/2025 09:55:44 76.12, 39.72 66.30 3.54 70
8 08/30/2025 00:32:06 76.19,-179.34 67.30 08/30/2025 00:33:17 76.23,-179.33 67.35 3.64 71
9 08/30/2025 01:22:49 -76.16, -11.92 112.71 08/30/2025 01:22:46 -76.16, -11.92 112.72 0.99 3
10 08/30/2025 02:13:27 75.81, 156.66 67.00 08/30/2025 02:12:18 75.84, 154.74 66.94 52.27 69
11 09/01/2025 16:48:47 76.23, -63.58 68.32 09/01/2025 16:49:45 76.22, -63.46 68.32 3.64 58
12 09/01/2025 17:39:29 -76.16, 104.01 111.74 09/01/2025 17:39:14 -76.15, 103.96 111.75 1.33 15

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 8/20/2025
SNOs_Map_FY3D_LANDSAT-8_20250820.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 08/20/2025 in txt file.

Historial Predications of SNOs between FY3D and LANDSAT-8