Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-21 and LANDSAT-8 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 7/9/2023
Index Date (NOAA-21) Time (NOAA-21) Lat,Lon (NOAA-21) SZA (NOAA-21 ) Date (LANDSAT-8) Time (LANDSAT-8) Lat,Lon (LANDSAT-8) SZA (LANDSAT-8 ) Distance(km) Time Diff (sec)
1 07/10/2023 23:25:59 70.04,-175.39 47.87 07/10/2023 23:26:57 70.03,-175.44 47.85 1.90 58
2 07/11/2023 00:16:41 -69.94, -7.93 132.23 07/11/2023 00:16:27 -69.92, -7.96 132.26 3.29 14
3 07/11/2023 01:07:13 69.20, 160.46 46.99 07/11/2023 01:06:04 69.26, 158.79 47.13 66.09 69
4 07/13/2023 15:42:51 70.03, -59.61 48.23 07/13/2023 15:43:26 70.01, -59.59 48.20 2.83 35
5 07/13/2023 16:33:32 -69.88, 107.94 131.92 07/13/2023 16:32:56 -69.90, 107.89 131.90 2.49 36
6 07/16/2023 07:09:11 -70.71,-112.21 130.64 07/16/2023 07:10:19 -70.62,-110.46 130.81 65.34 68
7 07/16/2023 07:59:43 69.98, 56.25 48.60 07/16/2023 07:59:56 69.96, 56.24 48.58 1.87 13
8 07/16/2023 08:50:25 -69.88,-136.28 131.51 07/16/2023 08:49:26 -69.86,-136.28 131.52 2.41 59
9 07/18/2023 23:25:52 -70.09, 4.55 130.84 07/18/2023 23:26:58 -70.06, 4.62 130.88 3.48 66
10 07/19/2023 00:16:35 69.94, 172.09 49.01 07/19/2023 00:16:25 69.95, 172.11 49.03 2.04 10
11 07/19/2023 01:07:12 -69.57, -20.05 131.38 07/19/2023 01:06:00 -69.57, -20.78 131.33 28.50 72
12 07/21/2023 15:42:44 -70.05, 120.39 130.38 07/21/2023 15:43:27 -70.04, 120.47 130.41 3.17 43
13 07/21/2023 16:33:27 69.90, -72.08 49.47 07/21/2023 16:32:54 69.92, -72.05 49.50 2.65 33

Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 7/9/2023
SNOs_Map_NOAA-21_LANDSAT-8_20230709.jpg

Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 07/09/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and LANDSAT-8