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: 4/25/2023
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 04/25/2023 05:41:45 -72.96, -84.92 120.25 04/25/2023 05:42:53 -72.97, -84.93 120.24 1.48 68
2 04/25/2023 06:32:31 72.90, 82.50 59.69 04/25/2023 06:32:20 72.88, 82.54 59.67 2.49 11
3 04/25/2023 07:23:06 -72.43,-109.20 120.79 04/25/2023 07:21:56 -72.44,-110.66 120.80 49.02 70
4 04/27/2023 21:08:54 72.97,-136.69 58.91 04/27/2023 21:09:54 72.95,-136.74 58.89 2.66 60
5 04/27/2023 21:59:36 -72.89, 30.79 121.18 04/27/2023 21:59:22 -72.88, 30.77 121.19 1.36 14
6 04/27/2023 22:50:07 72.08,-160.25 58.02 04/27/2023 22:49:01 72.15,-162.95 58.06 92.43 66
7 04/30/2023 12:35:59 -72.98, 171.54 121.90 04/30/2023 12:36:55 -72.96, 171.53 121.92 1.95 56
8 04/30/2023 13:26:44 72.89, -20.95 58.00 04/30/2023 13:26:22 72.87, -21.01 57.98 2.94 22
9 05/03/2023 04:03:06 72.97, 119.83 57.29 05/03/2023 04:03:54 72.96, 119.77 57.29 1.90 48
10 05/03/2023 04:53:49 -72.88, -72.67 122.81 05/03/2023 04:53:23 -72.90, -72.71 122.79 2.97 26
11 05/05/2023 19:30:11 -72.98, 68.06 123.46 05/05/2023 19:30:55 -72.96, 68.01 123.48 2.62 44
12 05/05/2023 20:20:56 72.90,-124.46 56.46 05/05/2023 20:20:21 72.92,-124.44 56.47 1.53 35
13 05/08/2023 10:57:17 73.00, 16.30 55.82 05/08/2023 10:57:52 72.99, 16.32 55.82 0.80 35
14 05/08/2023 11:48:00 -72.90,-176.18 124.29 05/08/2023 11:47:22 -72.88,-176.26 124.31 3.45 38

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 4/25/2023
SNOs_Map_FY3D_LANDSAT-8_20230425.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 04/25/2023 in txt file.

Historial Predications of SNOs between FY3D and LANDSAT-8