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: 11/21/2025
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 11/23/2025 14:51:35 -76.53, 146.88 82.75 11/23/2025 14:52:32 -76.56, 146.91 82.70 3.82 57
2 11/23/2025 15:42:19 76.47, -45.60 97.22 11/23/2025 15:41:59 76.49, -45.67 97.23 2.90 20
3 11/26/2025 07:08:08 -76.54, -97.25 82.22 11/26/2025 07:09:00 -76.56, -97.22 82.19 1.71 52
4 11/26/2025 07:58:52 76.49, 70.28 97.75 11/26/2025 07:58:27 76.49, 70.19 97.74 2.14 25
5 11/28/2025 23:24:42 -76.57, 18.60 81.73 11/28/2025 23:25:29 -76.53, 18.59 81.75 3.58 47
6 11/29/2025 00:15:26 76.51,-173.87 98.24 11/29/2025 00:14:55 76.51,-173.85 98.23 0.73 31
7 12/01/2025 15:41:15 -76.55, 134.60 81.32 12/01/2025 15:41:57 -76.54, 134.49 81.33 3.02 42
8 12/01/2025 16:31:59 76.50, -57.87 98.65 12/01/2025 16:31:23 76.51, -57.95 98.65 2.73 36
9 12/04/2025 07:57:49 -76.59,-109.61 80.92 12/04/2025 07:58:24 -76.57,-109.51 80.93 3.01 35

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 11/21/2025
SNOs_Map_FY3D_LANDSAT-8_20251121.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 11/21/2025 in txt file.

Historial Predications of SNOs between FY3D and LANDSAT-8