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: 7/14/2021
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 07/15/2021 07:27:44 -71.22,-114.16 130.31 07/15/2021 07:28:53 -71.20,-114.17 130.33 1.87 69
2 07/15/2021 08:18:27 71.10, 53.35 49.58 07/15/2021 08:18:20 71.11, 53.32 49.58 1.05 7
3 07/15/2021 09:09:05 -70.80,-138.83 130.73 07/15/2021 09:07:52 -70.88,-139.40 130.63 22.25 73
4 07/17/2021 23:44:08 -71.49, 1.29 129.57 07/17/2021 23:45:19 -71.37, 1.98 129.72 28.16 71
5 07/18/2021 00:34:46 71.12, 169.25 50.05 07/18/2021 00:34:49 71.10, 169.21 50.03 2.69 3
6 07/18/2021 01:25:28 -71.03, -23.27 130.04 07/18/2021 01:24:18 -71.05, -23.25 130.02 1.92 70
7 07/20/2021 16:00:33 -71.82, 116.64 128.74 07/20/2021 16:01:42 -71.69, 118.40 128.92 63.22 69
8 07/20/2021 16:51:05 71.15, -74.85 50.57 07/20/2021 16:51:17 71.15, -74.83 50.58 0.99 12
9 07/20/2021 17:41:47 -71.05, 92.64 129.53 07/20/2021 17:40:47 -71.05, 92.63 129.53 0.47 60
10 07/23/2021 09:07:23 71.17, 41.05 51.13 07/23/2021 09:07:45 71.15, 41.04 51.10 2.89 22
11 07/23/2021 09:58:05 -71.07,-151.45 128.98 07/23/2021 09:57:15 -71.04,-151.49 129.00 3.28 50
12 07/26/2021 01:23:42 71.20, 156.95 51.73 07/26/2021 01:24:13 71.19, 157.00 51.71 1.84 31
13 07/26/2021 02:14:24 -71.09, -35.54 128.38 07/26/2021 02:13:43 -71.09, -35.53 128.38 0.38 41

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 7/14/2021
SNOs_Map_FY3D_LANDSAT-8_20210714.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 07/14/2021 in txt file.

Historial Predications of SNOs between FY3D and LANDSAT-8