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: 8/11/2021
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 08/11/2021 04:42:58 71.13, 107.37 55.86 08/11/2021 04:42:14 71.10, 107.38 55.84 2.88 44
2 08/13/2021 20:08:33 -71.22, 55.84 123.25 08/13/2021 20:09:17 -71.20, 55.77 123.27 3.17 44
3 08/13/2021 20:59:17 71.16,-136.74 56.70 08/13/2021 20:58:43 71.16,-136.66 56.69 3.18 34
4 08/16/2021 12:24:52 -71.25, 171.73 122.38 08/16/2021 12:25:46 -71.25, 171.74 122.39 0.26 54
5 08/16/2021 13:15:35 71.14, -20.77 57.52 08/16/2021 13:15:13 71.15, -20.79 57.52 0.98 22
6 08/16/2021 14:06:03 -70.32, 147.91 123.32 08/16/2021 14:04:56 -70.34, 145.61 123.26 86.45 67
7 08/19/2021 04:41:11 -71.29, -72.38 121.49 08/19/2021 04:42:15 -71.30, -72.31 121.48 3.18 64
8 08/19/2021 05:31:54 71.18, 95.12 58.41 08/19/2021 05:31:42 71.19, 95.16 58.43 2.43 12
9 08/19/2021 06:22:29 -70.72, -96.79 122.05 08/19/2021 06:21:18 -70.76, -97.87 121.98 40.17 71
10 08/21/2021 20:57:31 -71.42, 43.32 120.47 08/21/2021 20:58:43 -71.34, 43.64 120.56 14.56 72
11 08/21/2021 21:48:11 71.16,-148.91 59.28 08/21/2021 21:48:11 71.18,-148.98 59.30 3.44 0
12 08/21/2021 22:38:53 -71.06, 18.57 120.81 08/21/2021 22:37:41 -71.08, 18.49 120.79 3.23 72
13 08/24/2021 13:13:57 -71.82, 158.54 119.15 08/24/2021 13:15:06 -71.70, 160.12 119.30 56.49 69
14 08/24/2021 14:04:30 71.19, -33.02 60.22 08/24/2021 14:04:40 71.21, -33.04 60.24 2.47 10
15 08/24/2021 14:55:12 -71.10, 134.46 119.87 08/24/2021 14:54:10 -71.12, 134.43 119.85 1.98 62

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 8/11/2021
SNOs_Map_FY3D_LANDSAT-8_20210811.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 08/11/2021 in txt file.

Historial Predications of SNOs between FY3D and LANDSAT-8