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: 9/20/2023
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 09/20/2023 04:28:49 73.37, 114.52 72.11 09/20/2023 04:29:08 73.35, 114.52 72.08 2.62 19
2 09/20/2023 05:19:32 -73.27, -77.93 107.98 09/20/2023 05:18:37 -73.28, -77.99 107.98 2.01 55
3 09/22/2023 19:55:52 -73.36, 62.83 106.88 09/22/2023 19:56:10 -73.36, 62.78 106.88 1.68 18
4 09/22/2023 20:46:37 73.30,-129.72 73.08 09/22/2023 20:45:37 73.27,-129.75 73.05 2.64 60
5 09/25/2023 10:32:26 -74.09,-157.98 105.15 09/25/2023 10:33:32 -74.03,-155.15 105.15 86.60 66
6 09/25/2023 11:22:57 73.35, 11.12 74.15 09/25/2023 11:23:10 73.37, 11.06 74.17 3.24 13
7 09/25/2023 12:13:41 -73.29, 178.58 105.90 09/25/2023 12:12:39 -73.30, 178.56 105.89 2.22 62
8 09/28/2023 01:59:27 73.90, 150.76 75.71 09/28/2023 02:00:36 73.80, 152.60 75.65 58.01 69
9 09/28/2023 02:50:02 -73.39, -40.71 104.78 09/28/2023 02:50:12 -73.37, -40.69 104.80 2.29 10
10 09/28/2023 03:40:46 73.29, 126.83 75.15 09/28/2023 03:39:39 73.28, 126.77 75.13 2.45 67
11 09/30/2023 17:26:29 -73.81, 99.27 103.36 09/30/2023 17:27:39 -73.72, 100.66 103.41 44.17 70
12 09/30/2023 18:17:06 73.37, -92.38 76.24 09/30/2023 18:17:11 73.37, -92.45 76.23 2.27 5
13 09/30/2023 19:07:50 -73.30, 75.10 103.82 09/30/2023 19:06:40 -73.30, 75.06 103.82 1.56 70
14 10/03/2023 08:53:28 73.60, 48.05 77.47 10/03/2023 08:54:40 73.52, 48.50 77.41 16.55 72
15 10/03/2023 09:44:09 -73.38,-144.12 102.73 10/03/2023 09:44:11 -73.36,-144.21 102.75 3.64 2

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 9/20/2023
SNOs_Map_FY3D_LANDSAT-8_20230920.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 09/20/2023 in txt file.

Historial Predications of SNOs between FY3D and LANDSAT-8