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: 5/17/2023
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 05/18/2023 23:55:13 -73.45, 0.97 126.31 05/18/2023 23:56:23 -73.34, 2.33 126.40 44.75 70
2 05/19/2023 00:45:50 72.98, 169.33 53.22 05/19/2023 00:45:55 72.99, 169.27 53.23 2.16 5
3 05/19/2023 01:36:34 -72.93, -23.25 126.84 05/19/2023 01:35:24 -72.92, -23.23 126.85 0.90 70
4 05/21/2023 15:22:15 73.19, -50.19 52.89 05/21/2023 15:23:26 73.15, -49.83 52.84 12.88 71
5 05/21/2023 16:12:57 -73.04, 117.47 127.28 05/21/2023 16:12:56 -73.03, 117.57 127.29 3.29 1
6 05/21/2023 17:03:38 72.77, -74.65 52.46 05/21/2023 17:02:25 72.83, -75.17 52.50 18.29 73
7 05/24/2023 06:49:19 -73.10,-101.71 127.73 05/24/2023 06:50:28 -73.11,-101.67 127.72 1.69 69
8 05/24/2023 07:40:03 72.99, 65.83 52.17 05/24/2023 07:39:55 73.01, 65.79 52.19 2.79 8
9 05/24/2023 08:30:40 -72.58,-125.97 128.25 05/24/2023 08:29:30 -72.63,-127.31 128.21 44.87 70
10 05/26/2023 22:16:25 73.11,-153.49 51.82 05/26/2023 22:17:25 73.12,-153.39 51.83 3.44 60
11 05/26/2023 23:07:08 -73.00, 14.08 128.30 05/26/2023 23:06:55 -73.01, 14.02 128.29 2.50 13
12 05/26/2023 23:57:40 72.29,-177.12 51.00 05/26/2023 23:56:33 72.33,-179.63 51.01 84.73 67
13 05/29/2023 13:43:31 -73.12, 154.76 128.60 05/29/2023 13:44:26 -73.10, 154.81 128.62 2.65 55
14 05/29/2023 14:34:15 73.02, -37.71 51.30 05/29/2023 14:33:53 73.00, -37.74 51.27 2.49 22

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 5/17/2023
SNOs_Map_FY3D_LANDSAT-8_20230517.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 05/17/2023 in txt file.

Historial Predications of SNOs between FY3D and LANDSAT-8