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: 8/4/2025
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 08/05/2025 23:43:30 76.10,-167.49 59.45 08/05/2025 23:43:50 76.07,-167.47 59.42 3.09 20
2 08/06/2025 00:34:12 -76.02, 0.11 120.62 08/06/2025 00:33:18 -76.05, 0.09 120.60 2.94 54
3 08/08/2025 16:00:11 76.10, -51.59 60.20 08/08/2025 16:00:20 76.11, -51.47 60.22 3.45 9
4 08/08/2025 16:50:53 -76.02, 116.01 119.86 08/08/2025 16:49:49 -76.04, 115.94 119.85 2.76 64
5 08/11/2025 07:26:11 -76.32,-103.80 118.83 08/11/2025 07:27:23 -76.21,-102.93 118.90 25.94 72
6 08/11/2025 08:16:52 76.10, 64.30 61.00 08/11/2025 08:16:51 76.09, 64.33 60.98 2.04 1
7 08/11/2025 09:07:33 -75.98,-127.94 119.10 08/11/2025 09:06:20 -76.02,-128.25 119.09 9.19 73
8 08/13/2025 23:42:48 -76.15, 12.73 118.16 08/13/2025 23:43:55 -76.12, 12.67 118.18 3.26 67
9 08/14/2025 00:33:33 76.11,-179.83 61.82 08/14/2025 00:33:21 76.09,-179.77 61.80 2.57 12
10 08/14/2025 01:24:04 -75.53, -10.53 118.67 08/14/2025 01:22:59 -75.59, -13.66 118.74 86.98 65
11 08/16/2025 15:59:28 -76.16, 128.59 117.30 08/16/2025 16:00:23 -76.16, 128.69 117.29 2.93 55
12 08/16/2025 16:50:12 76.08, -63.81 62.64 08/16/2025 16:49:50 76.09, -63.91 62.64 2.63 22

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 8/4/2025
SNOs_Map_FY3D_LANDSAT-8_20250804.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 08/04/2025 in txt file.

Historial Predications of SNOs between FY3D and LANDSAT-8