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: 11/19/2025
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 11/20/2025 22:35:02 -76.55, 30.87 83.30 11/20/2025 22:36:04 -76.51, 30.87 83.32 3.98 62
2 11/20/2025 23:25:46 76.50,-161.62 96.68 11/20/2025 23:25:30 76.49,-161.55 96.68 1.98 16
3 11/23/2025 14:51:34 -76.51, 146.93 82.76 11/23/2025 14:52:32 -76.53, 146.81 82.74 3.48 58
4 11/23/2025 15:42:19 76.51, -45.73 97.25 11/23/2025 15:41:58 76.51, -45.62 97.25 2.97 21
5 11/26/2025 07:08:08 -76.53, -97.21 82.22 11/26/2025 07:09:01 -76.53, -97.32 82.23 3.10 53
6 11/26/2025 07:58:52 76.48, 70.31 97.75 11/26/2025 07:58:27 76.50, 70.24 97.76 2.75 25
7 11/28/2025 23:24:42 -76.56, 18.62 81.73 11/28/2025 23:25:29 -76.55, 18.64 81.74 1.45 47
8 11/29/2025 00:15:26 76.51,-173.86 98.24 11/29/2025 00:14:55 76.52,-173.80 98.25 2.19 31
9 12/01/2025 15:41:15 -76.55, 134.60 81.32 12/01/2025 15:41:57 -76.55, 134.53 81.32 1.86 42
10 12/01/2025 16:31:59 76.50, -57.87 98.65 12/01/2025 16:31:23 76.52, -57.92 98.66 3.23 36

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 11/19/2025
SNOs_Map_FY3D_LANDSAT-8_20251120.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 11/19/2025 in txt file.

Historial Predications of SNOs between FY3D and LANDSAT-8