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: 9/18/2021
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 09/20/2021 09:38:12 -71.30,-146.42 109.74 09/20/2021 09:39:01 -71.30,-146.49 109.74 2.34 49
2 09/20/2021 10:28:56 71.20, 21.07 70.18 09/20/2021 10:28:28 71.20, 21.01 70.18 2.22 28
3 09/23/2021 01:54:30 -71.31, -30.49 108.69 09/23/2021 01:55:30 -71.32, -30.57 108.68 3.29 60
4 09/23/2021 02:45:14 71.21, 137.00 71.23 09/23/2021 02:44:57 71.22, 136.91 71.24 3.35 17
5 09/23/2021 03:35:45 -70.59, -54.63 109.38 09/23/2021 03:34:36 -70.62, -56.39 109.35 65.00 69
6 09/25/2021 18:10:49 -71.37, 85.35 107.58 09/25/2021 18:11:58 -71.39, 85.42 107.57 3.09 69
7 09/25/2021 19:01:33 71.27,-107.16 72.34 09/25/2021 19:01:25 71.29,-107.10 72.35 3.00 8
8 09/25/2021 19:52:10 -70.96, 60.69 107.96 09/25/2021 19:50:58 -71.01, 60.10 107.92 22.33 72
9 09/28/2021 10:27:13 -71.69,-159.28 106.22 09/28/2021 10:28:24 -71.56,-158.41 106.35 33.63 71
10 09/28/2021 11:17:51 71.28, 8.76 73.39 09/28/2021 11:17:54 71.29, 8.80 73.40 1.83 3
11 09/28/2021 12:08:32 -71.18, 176.26 106.70 09/28/2021 12:07:24 -71.19, 176.25 106.70 0.92 68
12 10/01/2021 02:43:37 -72.06, -44.03 104.80 10/01/2021 02:44:45 -71.94, -41.88 104.92 75.07 68
13 10/01/2021 03:34:08 71.30, 124.68 74.45 10/01/2021 03:34:22 71.30, 124.68 74.45 0.13 14
14 10/01/2021 04:24:49 -71.19, -67.81 105.65 10/01/2021 04:23:52 -71.19, -67.85 105.65 1.57 57

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 9/18/2021
SNOs_Map_FY3D_LANDSAT-8_20210918.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 09/18/2021 in txt file.

Historial Predications of SNOs between FY3D and LANDSAT-8