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: 8/2/2025
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 08/03/2025 07:26:49 76.06, 76.76 58.69 08/03/2025 07:27:20 76.07, 76.66 58.70 3.26 31
2 08/03/2025 08:17:32 -76.02,-115.80 121.34 08/03/2025 08:16:48 -76.05,-115.79 121.32 2.70 44
3 08/05/2025 23:43:30 76.10,-167.48 59.44 08/05/2025 23:43:50 76.08,-167.44 59.43 2.01 20
4 08/06/2025 00:34:12 -76.02, 0.12 120.62 08/06/2025 00:33:19 -76.01, -0.03 120.64 4.22 53
5 08/08/2025 16:00:11 76.09, -51.57 60.20 08/08/2025 16:00:21 76.07, -51.58 60.18 2.19 10
6 08/08/2025 16:50:54 -76.06, 115.87 119.82 08/08/2025 16:49:49 -76.05, 115.99 119.83 3.38 65
7 08/11/2025 07:26:12 -76.35,-103.95 118.79 08/11/2025 07:27:23 -76.23,-102.86 118.88 31.84 71
8 08/11/2025 08:16:52 76.10, 64.31 60.99 08/11/2025 08:16:51 76.11, 64.39 61.00 2.23 1
9 08/11/2025 09:07:33 -75.97,-127.93 119.11 08/11/2025 09:06:20 -76.04,-128.18 119.06 9.99 73
10 08/13/2025 23:42:48 -76.14, 12.75 118.17 08/13/2025 23:43:55 -76.15, 12.77 118.15 1.22 67
11 08/14/2025 00:33:33 76.11,-179.82 61.82 08/14/2025 00:33:22 76.07,-179.83 61.78 3.63 11
12 08/14/2025 01:24:04 -75.57, -10.66 118.63 08/14/2025 01:22:58 -75.62, -13.57 118.71 80.60 66
13 08/16/2025 15:59:28 -76.15, 128.61 117.31 08/16/2025 16:00:24 -76.16, 128.67 117.30 1.70 56
14 08/16/2025 16:50:12 76.07, -63.80 62.64 08/16/2025 16:49:51 76.08, -63.94 62.63 3.70 21

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 8/2/2025
SNOs_Map_FY3D_LANDSAT-8_20250803.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 08/02/2025 in txt file.

Historial Predications of SNOs between FY3D and LANDSAT-8