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: 8/19/2025
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 08/19/2025 08:16:08 -76.14,-115.46 116.45 08/19/2025 08:16:52 -76.16,-115.45 116.43 1.67 44
2 08/19/2025 09:06:53 76.10, 52.02 63.53 08/19/2025 09:06:19 76.09, 51.99 63.52 0.84 34
3 08/22/2025 00:32:49 -76.16, 0.37 115.53 08/22/2025 00:33:21 -76.17, 0.47 115.52 2.66 32
4 08/22/2025 01:23:34 76.12, 167.85 64.45 08/22/2025 01:22:48 76.10, 167.90 64.42 2.29 46
5 08/24/2025 16:49:29 -76.15, 116.34 114.63 08/24/2025 16:49:50 -76.17, 116.34 114.61 2.30 21
6 08/24/2025 17:40:14 76.10, -76.19 65.35 08/24/2025 17:39:17 76.10, -76.23 65.33 1.32 57
7 08/27/2025 08:15:36 76.64, 63.02 66.74 08/27/2025 08:16:42 76.56, 65.88 66.76 74.36 66
8 08/27/2025 09:06:09 -76.18,-127.86 113.66 08/27/2025 09:06:18 -76.15,-127.82 113.69 3.14 9
9 08/27/2025 09:56:53 76.09, 39.76 66.28 08/27/2025 09:55:44 76.13, 39.74 66.30 4.03 69
10 08/30/2025 00:32:06 76.20,-179.35 67.31 08/30/2025 00:33:18 76.19,-179.45 67.31 2.96 72
11 08/30/2025 01:22:49 -76.17, -11.92 112.71 08/30/2025 01:22:46 -76.17, -11.88 112.71 1.16 3
12 08/30/2025 02:13:27 75.81, 156.64 67.01 08/30/2025 02:12:18 75.85, 154.77 66.95 51.12 69
13 09/01/2025 16:48:46 76.19, -63.44 68.28 09/01/2025 16:49:46 76.19, -63.56 68.28 3.32 60
14 09/01/2025 17:39:29 -76.16, 104.00 111.74 09/01/2025 17:39:14 -76.17, 104.02 111.73 1.15 15

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 8/19/2025
SNOs_Map_FY3D_LANDSAT-8_20250819.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 08/19/2025 in txt file.

Historial Predications of SNOs between FY3D and LANDSAT-8