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: 4/24/2021
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 04/25/2021 19:55:20 -71.09, 58.58 122.47 04/25/2021 19:56:26 -71.07, 58.52 122.50 3.53 66
2 04/25/2021 20:46:04 71.01,-133.97 57.44 04/25/2021 20:45:52 71.02,-133.91 57.45 2.54 12
3 04/25/2021 21:36:39 -70.57, 34.08 123.02 04/25/2021 21:35:27 -70.63, 33.13 122.94 35.76 72
4 04/28/2021 12:11:41 -71.17, 174.39 123.24 04/28/2021 12:12:52 -71.15, 174.52 123.27 5.37 71
5 04/28/2021 13:02:24 71.04, -18.08 56.62 04/28/2021 13:02:19 71.05, -17.99 56.63 3.24 5
6 04/28/2021 13:53:03 -70.81, 149.63 123.63 04/28/2021 13:51:50 -70.88, 149.38 123.55 12.19 73
7 05/01/2021 04:28:04 -71.40, -70.09 123.82 05/01/2021 04:29:16 -71.28, -69.39 123.96 28.64 72
8 05/01/2021 05:18:42 71.01, 97.90 55.77 05/01/2021 05:18:46 71.01, 97.83 55.77 2.49 4
9 05/01/2021 06:09:24 -70.94, -94.66 124.32 05/01/2021 06:08:15 -70.96, -94.62 124.30 2.16 69
10 05/03/2021 20:44:29 -71.69, 45.32 124.32 05/03/2021 20:45:38 -71.56, 46.96 124.47 59.24 69
11 05/03/2021 21:35:02 71.05,-146.22 55.01 05/03/2021 21:35:13 71.02,-146.27 54.99 3.00 11
12 05/03/2021 22:25:44 -70.97, 21.22 125.08 05/03/2021 22:24:42 -70.97, 21.28 125.08 2.20 62
13 05/06/2021 13:00:53 -71.94, 160.81 124.83 05/06/2021 13:02:00 -71.84, 163.31 124.95 87.19 67
14 05/06/2021 13:51:22 71.08, -30.34 54.29 05/06/2021 13:51:39 71.09, -30.29 54.29 2.04 17
15 05/06/2021 14:42:03 -70.96, 137.19 125.85 05/06/2021 14:41:09 -70.98, 137.18 125.83 2.67 54

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 4/24/2021
SNOs_Map_FY3D_LANDSAT-8_20210425.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 04/24/2021 in txt file.

Historial Predications of SNOs between FY3D and LANDSAT-8