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: 9/8/2023
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 09/10/2023 07:59:20 -70.02,-123.78 115.05 09/10/2023 08:00:15 -70.00,-123.72 115.07 2.79 55
2 09/10/2023 08:50:04 69.89, 43.72 64.84 09/10/2023 08:49:42 69.90, 43.78 64.85 2.87 22
3 09/10/2023 09:40:32 -69.07,-147.78 116.00 09/10/2023 09:39:24 -69.13,-149.62 115.89 73.35 68
4 09/13/2023 00:16:15 -69.96, -7.94 114.09 09/13/2023 00:16:47 -69.94, -7.94 114.12 3.05 32
5 09/13/2023 01:06:59 69.84, 159.56 65.80 09/13/2023 01:06:14 69.83, 159.56 65.79 0.92 45
6 09/15/2023 15:42:33 70.27, -59.95 67.24 09/15/2023 15:43:45 70.16, -59.37 67.12 24.81 72
7 09/15/2023 16:33:10 -69.92, 107.90 113.11 09/15/2023 16:33:18 -69.89, 107.88 113.14 2.64 8
8 09/15/2023 17:23:54 69.80, -84.61 66.78 09/15/2023 17:22:45 69.78, -84.62 66.77 1.28 69
9 09/18/2023 07:59:22 69.97, 56.27 67.96 09/18/2023 08:00:17 69.98, 56.25 67.97 1.81 55
10 09/18/2023 08:50:04 -69.88,-136.28 112.12 09/18/2023 08:49:47 -69.88,-136.26 112.12 0.72 17
11 09/18/2023 09:40:34 69.01, 32.27 67.01 09/18/2023 09:39:26 69.10, 30.34 67.13 77.24 68
12 09/21/2023 00:16:17 69.94, 172.08 68.96 09/21/2023 00:16:47 69.94, 172.07 68.96 0.59 30
13 09/21/2023 01:06:59 -69.85, -20.46 111.12 09/21/2023 01:06:17 -69.83, -20.44 111.13 1.73 42

Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 9/8/2023
SNOs_Map_NOAA-21_LANDSAT-8_20230908.jpg

Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 09/08/2023 in txt file.

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