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: 4/18/2020
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 04/18/2020 03:51:53 -70.54, -61.18 120.51 04/18/2020 03:52:27 -70.54, -61.25 120.51 2.89 34
2 04/18/2020 04:42:37 70.45, 106.28 59.39 04/18/2020 04:41:54 70.44, 106.23 59.38 2.02 43
3 04/20/2020 20:08:18 -70.59, 54.65 121.38 04/20/2020 20:08:54 -70.59, 54.70 121.38 1.94 36
4 04/20/2020 20:59:02 70.50,-137.89 58.51 04/20/2020 20:58:21 70.48,-137.82 58.50 2.97 41
5 04/23/2020 12:24:42 -70.59, 170.55 122.28 04/23/2020 12:25:22 -70.59, 170.56 122.29 0.57 40
6 04/23/2020 13:15:26 70.50, -21.98 57.62 04/23/2020 13:14:49 70.47, -21.96 57.59 2.77 37
7 04/26/2020 04:41:05 -70.59, -73.54 123.15 04/26/2020 04:41:49 -70.57, -73.58 123.17 2.37 44
8 04/26/2020 05:31:49 70.50, 93.92 56.74 04/26/2020 05:31:15 70.51, 93.98 56.76 2.60 34
9 04/28/2020 20:57:29 -70.60, 42.36 123.99 04/28/2020 20:58:16 -70.61, 42.36 123.98 1.93 47
10 04/28/2020 21:48:13 70.50,-150.18 55.90 04/28/2020 21:47:43 70.49,-150.17 55.89 0.78 30
11 05/01/2020 13:13:53 -70.60, 158.26 124.81 05/01/2020 13:14:44 -70.59, 158.21 124.82 2.07 51
12 05/01/2020 14:04:37 70.50, -34.28 55.09 05/01/2020 14:04:10 70.53, -34.25 55.11 2.61 27

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 4/18/2020
SNOs_Map_FY3D_LANDSAT-8_20200418.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 04/18/2020 in txt file.

Historical Predictions of SNOs between FY3D and LANDSAT-8

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service