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: 5/1/2021
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 05/01/2021 04:28:05 -71.41, -70.11 123.81 05/01/2021 04:29:16 -71.31, -69.33 123.93 29.59 71
2 05/01/2021 05:18:44 71.06, 97.81 55.82 05/01/2021 05:18:46 71.05, 97.90 55.81 3.31 2
3 05/01/2021 06:09:25 -70.95, -94.67 124.31 05/01/2021 06:08:16 -70.93, -94.65 124.32 1.55 69
4 05/03/2021 20:44:29 -71.69, 45.32 124.32 05/03/2021 20:45:38 -71.54, 46.92 124.49 58.61 69
5 05/03/2021 21:35:02 71.03,-146.20 55.00 05/03/2021 21:35:12 71.07,-146.20 55.03 3.45 10
6 05/03/2021 22:25:44 -70.97, 21.23 125.08 05/03/2021 22:24:42 -70.95, 21.25 125.10 2.44 62
7 05/06/2021 13:00:53 -71.92, 160.83 124.84 05/06/2021 13:02:00 -71.82, 163.28 124.97 85.36 67
8 05/06/2021 13:51:22 71.06, -30.31 54.26 05/06/2021 13:51:39 71.07, -30.31 54.28 1.56 17
9 05/06/2021 14:42:03 -70.94, 137.21 125.87 05/06/2021 14:41:09 -70.96, 137.15 125.85 2.90 54
10 05/09/2021 06:07:42 71.09, 85.59 53.56 05/09/2021 06:08:06 71.08, 85.57 53.55 1.16 24
11 05/09/2021 06:58:23 -70.97,-106.90 126.57 05/09/2021 06:57:36 -70.97,-106.96 126.57 2.33 47
12 05/11/2021 22:24:02 71.11,-158.52 52.90 05/11/2021 22:24:32 71.13,-158.46 52.91 2.71 30
13 05/11/2021 23:14:43 -71.00, 8.99 127.23 05/11/2021 23:14:02 -71.02, 9.00 127.21 2.53 41
14 05/14/2021 14:40:21 71.14, -42.64 52.27 05/14/2021 14:40:58 71.12, -42.59 52.24 2.92 37
15 05/14/2021 15:31:02 -71.03, 124.88 127.86 05/14/2021 15:30:28 -71.02, 124.88 127.87 1.40 34

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 5/1/2021
SNOs_Map_FY3D_LANDSAT-8_20210501.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 05/01/2021 in txt file.

Historial Predications of SNOs between FY3D and LANDSAT-8