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: 5/13/2020
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 05/14/2020 22:35:52 -70.71, 17.62 128.29 05/14/2020 22:37:04 -70.67, 17.75 128.34 6.60 72
2 05/14/2020 23:26:35 70.54,-174.79 51.53 05/14/2020 23:26:31 70.55,-174.77 51.54 1.67 4
3 05/15/2020 00:17:15 -70.39, -7.23 128.63 05/15/2020 00:16:02 -70.40, -7.36 128.62 4.94 73
4 05/17/2020 14:52:21 -70.98, 133.08 128.62 05/17/2020 14:53:32 -70.85, 133.91 128.77 33.18 71
5 05/17/2020 15:42:59 70.55, -58.91 50.94 05/17/2020 15:43:02 70.58, -58.87 50.96 2.79 3
6 05/17/2020 16:33:40 -70.46, 108.57 129.18 05/17/2020 16:32:33 -70.43, 108.54 129.20 3.33 67
7 05/20/2020 07:08:50 -71.25,-111.48 128.91 05/20/2020 07:09:59 -71.15,-109.77 129.05 62.25 69
8 05/20/2020 07:59:23 70.57, 56.98 50.38 05/20/2020 07:59:34 70.60, 57.02 50.41 3.38 11
9 05/20/2020 08:50:04 -70.47,-135.54 129.73 05/20/2020 08:49:05 -70.45,-135.56 129.75 2.30 59
10 05/22/2020 23:25:19 -71.58, 3.85 129.09 05/22/2020 23:26:25 -71.49, 6.64 129.24 98.53 66
11 05/23/2020 00:15:46 70.59, 172.86 49.87 05/23/2020 00:16:07 70.56, 172.83 49.84 3.36 21
12 05/23/2020 01:06:27 -70.48, -19.66 130.24 05/23/2020 01:05:37 -70.47, -19.68 130.26 1.82 50
13 05/25/2020 16:32:10 70.61, -71.27 49.41 05/25/2020 16:32:40 70.63, -71.22 49.43 3.07 30
14 05/25/2020 17:22:51 -70.50, 96.23 130.71 05/25/2020 17:22:11 -70.48, 96.20 130.73 1.93 40

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 5/13/2020
SNOs_Map_FY3D_LANDSAT-8_20200513.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 05/13/2020 in txt file.

Historical Predictions of SNOs between FY3D and LANDSAT-8

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service