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: 9/11/2023
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 09/13/2023 00:16:15 -69.96, -7.93 114.10 09/13/2023 00:16:47 -69.96, -7.91 114.10 0.74 32
2 09/13/2023 01:06:59 69.83, 159.57 65.79 09/13/2023 01:06:14 69.86, 159.60 65.82 3.21 45
3 09/15/2023 15:42:33 70.31, -60.02 67.28 09/15/2023 15:43:44 70.20, -59.32 67.15 29.26 71
4 09/15/2023 16:33:09 -69.91, 107.91 113.12 09/15/2023 16:33:17 -69.93, 107.92 113.11 1.59 8
5 09/15/2023 17:23:53 69.79, -84.60 66.77 09/15/2023 17:22:45 69.77, -84.65 66.75 3.27 68
6 09/18/2023 07:59:22 69.96, 56.28 67.95 09/18/2023 08:00:18 69.97, 56.24 67.96 2.01 56
7 09/18/2023 08:50:04 -69.88,-136.27 112.12 09/18/2023 08:49:48 -69.87,-136.28 112.14 1.25 16
8 09/18/2023 09:40:35 69.06, 32.20 67.06 09/18/2023 09:39:27 69.09, 30.33 67.12 74.57 68
9 09/21/2023 00:16:17 69.94, 172.08 68.96 09/21/2023 00:16:48 69.94, 172.07 68.96 0.59 31
10 09/21/2023 01:06:59 -69.85, -20.47 111.12 09/21/2023 01:06:18 -69.83, -20.44 111.13 1.94 41
11 09/23/2023 15:42:35 -70.40, 119.82 109.54 09/23/2023 15:43:46 -70.26, 120.77 109.70 38.69 71
12 09/23/2023 16:33:12 69.92, -72.12 69.98 09/23/2023 16:33:17 69.93, -72.06 69.99 2.76 5
13 09/23/2023 17:23:53 -69.78, 95.41 110.15 09/23/2023 17:22:48 -69.77, 95.36 110.15 1.97 65

Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 9/11/2023
SNOs_Map_NOAA-21_LANDSAT-8_20230911.jpg

Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 09/11/2023 in txt file.

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