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: 9/19/2023
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 09/21/2023 00:16:17 69.96, 172.05 68.99 09/21/2023 00:16:47 69.95, 172.09 68.97 1.82 30
2 09/21/2023 01:06:58 -69.83, -20.44 111.14 09/21/2023 01:06:17 -69.84, -20.44 111.13 0.81 41
3 09/23/2023 15:42:34 -70.39, 119.84 109.55 09/23/2023 15:43:45 -70.25, 120.74 109.72 37.64 71
4 09/23/2023 16:33:11 69.90, -72.09 69.97 09/23/2023 16:33:16 69.92, -72.07 69.98 2.25 5
5 09/23/2023 17:23:53 -69.82, 95.35 110.11 09/23/2023 17:22:46 -69.81, 95.41 110.12 2.62 67
6 09/26/2023 07:59:21 -69.97,-123.74 108.94 09/26/2023 08:00:18 -69.97,-123.77 108.95 1.36 57
7 09/26/2023 08:50:05 69.85, 43.75 70.96 09/26/2023 08:49:45 69.86, 43.72 70.96 0.91 20
8 09/26/2023 09:40:35 -69.13,-147.90 109.77 09/26/2023 09:39:26 -69.14,-149.60 109.74 67.57 69
9 09/29/2023 00:16:14 -69.93, -7.91 107.94 09/29/2023 00:16:45 -69.93, -7.93 107.95 1.21 31
10 09/29/2023 01:06:58 69.82, 159.57 71.96 09/29/2023 01:06:12 69.81, 159.55 71.95 0.80 46
11 10/01/2023 15:42:29 70.15, -59.79 73.31 10/01/2023 15:43:40 70.12, -59.40 73.27 15.38 71
12 10/01/2023 16:33:08 -69.90, 107.91 106.93 10/01/2023 16:33:12 -69.91, 107.93 106.93 1.07 4
13 10/01/2023 17:23:52 69.79, -84.62 72.97 10/01/2023 17:22:39 69.79, -84.58 72.97 1.32 73

Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 9/19/2023
SNOs_Map_NOAA-21_LANDSAT-8_20230919.jpg

Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 09/19/2023 in txt file.

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