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: 5/18/2021
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 05/19/2021 23:13:00 71.18,-170.81 51.11 05/19/2021 23:14:11 71.16,-170.65 51.09 5.96 71
2 05/20/2021 00:03:40 -71.02, -3.23 129.06 05/20/2021 00:03:41 -71.05, -3.20 129.04 2.66 1
3 05/20/2021 00:54:22 70.81, 164.43 50.72 05/20/2021 00:53:10 70.84, 164.12 50.76 11.76 72
4 05/22/2021 15:29:27 71.57, -55.58 50.98 05/22/2021 15:30:36 71.47, -54.27 50.85 47.51 69
5 05/22/2021 16:20:00 -71.06, 112.65 129.56 05/22/2021 16:20:12 -71.03, 112.66 129.59 3.02 12
6 05/22/2021 17:10:43 70.95, -79.86 50.33 05/22/2021 17:09:38 70.93, -79.86 50.31 2.31 65
7 05/25/2021 07:45:53 71.97, 59.62 50.90 05/25/2021 07:46:59 71.82, 62.20 50.71 90.77 66
8 05/25/2021 08:36:18 -71.04,-131.38 130.07 05/25/2021 08:36:41 -71.07,-131.41 130.05 2.98 23
9 05/25/2021 09:27:02 70.94, 36.10 49.82 05/25/2021 09:26:08 70.96, 36.07 49.85 3.21 54
10 05/28/2021 00:52:38 -71.08, -15.51 130.49 05/28/2021 00:53:11 -71.10, -15.48 130.47 2.42 33
11 05/28/2021 01:43:22 70.98, 151.98 49.41 05/28/2021 01:42:38 70.99, 152.00 49.42 2.06 44
12 05/30/2021 17:08:58 -71.11, 100.37 130.86 05/30/2021 17:09:41 -71.12, 100.44 130.85 2.62 43
13 05/30/2021 17:59:42 71.01, -92.15 49.04 05/30/2021 17:59:08 71.02, -92.09 49.04 2.28 34

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 5/18/2021
SNOs_Map_FY3D_LANDSAT-8_20210518.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 05/18/2021 in txt file.

Historial Predications of SNOs between FY3D and LANDSAT-8