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: 2/24/2021
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 02/25/2021 20:14:33 -70.90, 53.74 100.34 02/25/2021 20:15:26 -70.91, 53.69 100.34 2.03 53
2 02/25/2021 21:05:17 70.81,-138.81 79.56 02/25/2021 21:04:53 70.82,-138.81 79.57 0.45 24
3 02/25/2021 21:55:43 -69.90, 29.95 101.41 02/25/2021 21:54:36 -69.98, 27.61 101.24 89.78 67
4 02/28/2021 12:30:54 -70.92, 169.62 101.32 02/28/2021 12:31:54 -70.90, 169.56 101.35 3.09 60
5 02/28/2021 13:21:38 70.85, -22.93 78.59 02/28/2021 13:21:20 70.86, -22.86 78.60 3.29 18
6 02/28/2021 14:12:09 -70.19, 145.44 102.12 02/28/2021 14:10:59 -70.25, 143.87 102.00 59.28 70
7 03/03/2021 04:47:14 -70.95, -74.49 102.32 03/03/2021 04:48:20 -70.95, -74.49 102.34 0.71 66
8 03/03/2021 05:37:57 70.83, 93.03 77.54 03/03/2021 05:37:47 70.85, 93.00 77.56 2.09 10
9 03/03/2021 06:28:33 -70.43, -99.01 102.89 03/03/2021 06:27:21 -70.51, -99.87 102.77 33.12 72
10 03/05/2021 21:03:35 -70.98, 41.38 103.32 03/05/2021 21:04:47 -70.98, 41.45 103.34 2.44 72
11 03/05/2021 21:54:18 70.87,-151.11 76.54 03/05/2021 21:54:14 70.88,-151.07 76.55 2.07 4
12 03/05/2021 22:44:58 -70.67, 16.53 103.68 03/05/2021 22:43:45 -70.72, 16.32 103.62 9.28 73
13 03/08/2021 13:20:00 -71.22, 156.90 104.12 03/08/2021 13:21:12 -71.12, 157.55 104.25 25.86 72
14 03/08/2021 14:10:38 70.85, -35.15 75.48 03/08/2021 14:10:42 70.85, -35.22 75.48 2.61 4
15 03/08/2021 15:01:20 -70.76, 132.32 104.64 03/08/2021 15:00:12 -70.75, 132.25 104.64 3.17 68

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 2/24/2021
SNOs_Map_FY3D_LANDSAT-8_20210225.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 02/24/2021 in txt file.

Historial Predications of SNOs between FY3D and LANDSAT-8