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: 4/26/2020
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 04/28/2020 20:57:29 -70.59, 42.37 124.00 04/28/2020 20:58:16 -70.62, 42.37 123.98 3.61 47
2 04/28/2020 21:48:13 70.48,-150.15 55.88 04/28/2020 21:47:43 70.51,-150.15 55.91 2.94 30
3 05/01/2020 13:13:52 -70.59, 158.27 124.82 05/01/2020 13:14:43 -70.60, 158.22 124.81 2.30 51
4 05/01/2020 14:04:36 70.49, -34.25 55.07 05/01/2020 14:04:10 70.49, -34.31 55.07 2.18 26
5 05/01/2020 14:55:01 -69.53, 134.52 125.92 05/01/2020 14:53:55 -69.56, 132.02 125.84 97.21 66
6 05/04/2020 05:30:17 -70.65, -85.91 125.54 05/04/2020 05:31:10 -70.63, -85.86 125.57 2.95 53
7 05/04/2020 06:21:00 70.49, 81.65 54.29 05/04/2020 06:20:37 70.51, 81.61 54.31 2.66 23
8 05/04/2020 07:11:27 -69.65,-109.73 126.59 05/04/2020 07:10:20 -69.70,-111.91 126.49 84.26 67
9 05/06/2020 21:46:41 -70.66, 29.98 126.29 05/06/2020 21:47:37 -70.66, 30.06 126.30 2.81 56
10 05/06/2020 22:37:25 70.55,-162.54 53.60 05/06/2020 22:37:04 70.54,-162.47 53.58 3.01 21
11 05/06/2020 23:27:54 -69.81, 5.93 127.17 05/06/2020 23:26:45 -69.84, 4.16 127.12 68.00 69
12 05/09/2020 14:03:04 -70.61, 145.96 127.05 05/09/2020 14:04:05 -70.62, 145.89 127.05 2.90 61
13 05/09/2020 14:53:48 70.51, -46.56 52.83 05/09/2020 14:53:32 70.50, -46.64 52.83 3.13 16

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 4/26/2020
SNOs_Map_FY3D_LANDSAT-8_20200427.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 04/26/2020 in txt file.

Historical Predictions of SNOs between FY3D and LANDSAT-8

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service