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: 3/8/2021
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 03/08/2021 13:20:00 -71.26, 156.84 104.08 03/08/2021 13:21:11 -71.15, 157.59 104.22 29.37 71
2 03/08/2021 14:10:38 70.87, -35.19 75.50 03/08/2021 14:10:41 70.90, -35.17 75.52 2.59 3
3 03/08/2021 15:01:20 -70.79, 132.27 104.60 03/08/2021 15:00:11 -70.78, 132.28 104.61 2.04 69
4 03/11/2021 05:36:25 -71.50, -87.66 104.88 03/11/2021 05:37:34 -71.40, -86.13 105.04 55.13 69
5 03/11/2021 06:26:59 70.92, 80.67 74.49 03/11/2021 06:27:08 70.92, 80.75 74.49 3.01 9
6 03/11/2021 07:17:40 -70.78,-111.77 105.67 03/11/2021 07:16:38 -70.80,-111.79 105.64 3.15 62
7 03/13/2021 21:52:50 -71.75, 27.83 105.68 03/13/2021 21:53:57 -71.64, 30.15 105.87 81.75 67
8 03/13/2021 22:43:19 70.91,-163.38 73.43 03/13/2021 22:43:36 70.89,-163.42 73.40 2.72 17
9 03/13/2021 23:34:01 -70.82, 4.09 106.69 03/13/2021 23:33:05 -70.83, 4.13 106.67 1.97 56
10 03/16/2021 14:59:38 70.90, -47.44 72.36 03/16/2021 15:00:02 70.90, -47.51 72.35 2.53 24
11 03/16/2021 15:50:21 -70.86, 119.96 107.71 03/16/2021 15:49:31 -70.85, 120.04 107.72 3.18 50
12 03/19/2021 07:15:59 70.95, 68.41 71.34 03/19/2021 07:16:28 70.97, 68.48 71.35 2.93 29
13 03/19/2021 08:06:41 -70.85,-124.10 108.78 03/19/2021 08:05:58 -70.86,-124.06 108.77 2.16 43
14 03/21/2021 23:32:19 70.95,-175.66 70.28 03/21/2021 23:32:55 70.98,-175.63 70.30 2.68 36
15 03/22/2021 00:23:01 -70.84, -8.16 109.85 03/22/2021 00:22:25 -70.87, -8.16 109.82 3.13 36

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 3/8/2021
SNOs_Map_FY3D_LANDSAT-8_20210308.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 03/08/2021 in txt file.

Historial Predications of SNOs between FY3D and LANDSAT-8