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: 7/4/2021
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 07/04/2021 14:22:29 -71.15, 142.18 131.73 07/04/2021 14:22:58 -71.15, 142.22 131.74 1.57 29
2 07/04/2021 15:13:12 71.02, -50.28 48.13 07/04/2021 15:12:26 71.01, -50.36 48.13 3.20 46
3 07/07/2021 06:38:48 -71.16,-101.90 131.45 07/07/2021 06:39:27 -71.17,-101.86 131.45 1.89 39
4 07/07/2021 07:29:32 71.09, 65.54 48.48 07/07/2021 07:28:54 71.08, 65.63 48.47 3.37 38
5 07/09/2021 22:55:07 -71.17, 14.02 131.12 07/09/2021 22:55:56 -71.19, 14.05 131.11 1.99 49
6 07/09/2021 23:45:51 71.11,-178.55 48.82 07/09/2021 23:45:23 71.09,-178.47 48.80 3.51 28
7 07/12/2021 15:11:25 -71.19, 129.94 130.75 07/12/2021 15:12:24 -71.20, 129.95 130.74 1.58 59
8 07/12/2021 16:02:08 71.08, -62.55 49.15 07/12/2021 16:01:51 71.10, -62.57 49.17 2.55 17
9 07/12/2021 16:52:39 -70.41, 105.87 131.54 07/12/2021 16:51:30 -70.50, 104.14 131.40 64.83 69
10 07/15/2021 07:27:44 -71.20,-114.15 130.32 07/15/2021 07:28:53 -71.21,-114.16 130.32 0.74 69
11 07/15/2021 08:18:27 71.10, 53.35 49.58 07/15/2021 08:18:20 71.10, 53.32 49.58 1.26 7
12 07/15/2021 09:09:05 -70.79,-138.81 130.74 07/15/2021 09:07:53 -70.84,-139.47 130.67 24.32 72
13 07/17/2021 23:44:08 -71.48, 1.31 129.58 07/17/2021 23:45:19 -71.38, 2.00 129.71 26.98 71
14 07/18/2021 00:34:46 71.12, 169.25 50.05 07/18/2021 00:34:49 71.10, 169.20 50.03 2.73 3
15 07/18/2021 01:25:28 -71.02, -23.25 130.05 07/18/2021 01:24:19 -71.00, -23.32 130.06 3.18 69

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 7/4/2021
SNOs_Map_FY3D_LANDSAT-8_20210704.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 07/04/2021 in txt file.

Historial Predications of SNOs between FY3D and LANDSAT-8