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: 9/19/2023
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 04:28:48 73.35, 114.57 72.09 09/20/2023 04:29:07 73.37, 114.57 72.11 2.25 19
2 09/20/2023 05:19:32 -73.30, -78.00 107.95 09/20/2023 05:18:36 -73.30, -77.94 107.96 1.80 56
3 09/22/2023 19:05:24 74.18,-106.48 73.91 09/22/2023 19:06:29 74.08,-103.28 73.87 98.17 65
4 09/22/2023 19:55:53 -73.38, 62.77 106.86 09/22/2023 19:56:10 -73.39, 62.84 106.85 2.23 17
5 09/22/2023 20:46:37 73.28,-129.67 73.06 09/22/2023 20:45:37 73.30,-129.69 73.08 2.96 60
6 09/25/2023 10:32:27 -74.11,-158.04 105.13 09/25/2023 10:33:33 -74.01,-155.19 105.17 87.70 66
7 09/25/2023 11:22:58 73.37, 11.06 74.18 09/25/2023 11:23:11 73.35, 11.02 74.15 2.75 13
8 09/25/2023 12:13:42 -73.31, 178.52 105.88 09/25/2023 12:12:40 -73.29, 178.52 105.91 2.66 62
9 09/28/2023 01:59:27 73.93, 150.70 75.73 09/28/2023 02:00:35 73.84, 152.68 75.69 61.99 68
10 09/28/2023 02:50:01 -73.36, -40.64 104.80 09/28/2023 02:50:12 -73.36, -40.71 104.81 2.29 11
11 09/28/2023 03:40:46 73.32, 126.78 75.17 09/28/2023 03:39:38 73.32, 126.85 75.17 2.38 68
12 09/30/2023 17:26:29 -73.82, 99.23 103.35 09/30/2023 17:27:39 -73.72, 100.66 103.42 45.87 70
13 09/30/2023 18:17:06 73.39, -92.42 76.26 09/30/2023 18:17:11 73.36, -92.45 76.23 2.75 5

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 9/19/2023
SNOs_Map_FY3D_LANDSAT-8_20230919.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 09/19/2023 in txt file.

Historial Predications of SNOs between FY3D and LANDSAT-8