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: 8/13/2023
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 08/14/2023 15:42:23 70.38, -60.03 56.08 08/14/2023 15:43:34 70.28, -59.20 55.94 33.04 71
2 08/14/2023 16:32:59 -69.97, 107.91 124.34 08/14/2023 16:33:08 -69.95, 107.97 124.37 3.13 9
3 08/14/2023 17:23:43 69.86, -84.61 55.55 08/14/2023 17:22:35 69.85, -84.53 55.55 3.25 68
4 08/17/2023 07:59:08 70.04, 56.27 56.56 08/17/2023 08:00:10 70.03, 56.32 56.54 2.21 62
5 08/17/2023 08:49:49 -69.90,-136.20 123.58 08/17/2023 08:49:40 -69.92,-136.20 123.56 2.98 9
6 08/17/2023 09:40:25 69.36, 31.89 55.87 08/17/2023 09:39:14 69.43, 30.77 55.99 44.56 71
7 08/20/2023 00:15:57 69.98, 172.15 57.35 08/20/2023 00:16:41 69.99, 172.14 57.36 1.69 44
8 08/20/2023 01:06:39 -69.88, -20.39 122.73 08/20/2023 01:06:11 -69.89, -20.37 122.73 0.92 28
9 08/22/2023 16:32:48 69.97, -72.06 58.23 08/22/2023 16:33:13 69.94, -72.06 58.20 3.31 25
10 08/22/2023 17:23:29 -69.82, 95.48 121.91 08/22/2023 17:22:43 -69.84, 95.44 121.89 2.53 46
11 08/25/2023 07:59:02 -70.44,-124.31 120.38 08/25/2023 08:00:12 -70.33,-123.28 120.54 40.92 70
12 08/25/2023 08:49:38 69.92, 43.81 59.09 08/25/2023 08:49:44 69.94, 43.81 59.10 1.97 6
13 08/25/2023 09:40:20 -69.82,-148.73 121.01 08/25/2023 09:39:14 -69.84,-148.69 120.99 2.44 66

Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 8/13/2023
SNOs_Map_NOAA-21_LANDSAT-8_20230813.jpg

Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 08/13/2023 in txt file.

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