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: 6/18/2023
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 06/19/2023 14:52:28 70.46, -47.61 47.01 06/19/2023 14:53:39 70.37, -46.69 46.88 35.64 71
2 06/19/2023 15:43:03 -70.00, 120.42 133.47 06/19/2023 15:43:14 -69.98, 120.38 133.50 2.91 11
3 06/19/2023 16:33:47 69.88, -72.10 46.41 06/19/2023 16:32:41 69.88, -72.12 46.41 0.95 66
4 06/22/2023 07:09:15 70.07, 68.76 46.60 06/22/2023 07:10:13 70.09, 68.79 46.61 1.90 58
5 06/22/2023 07:59:57 -69.98,-123.78 133.50 06/22/2023 07:59:43 -69.97,-123.74 133.51 1.77 14
6 06/22/2023 08:50:29 69.23, 44.62 45.72 06/22/2023 08:49:20 69.32, 43.01 45.87 64.12 69
7 06/24/2023 23:26:08 70.01,-175.37 46.58 06/24/2023 23:26:43 70.00,-175.45 46.57 2.90 35
8 06/25/2023 00:16:50 -69.91, -7.91 133.53 06/25/2023 00:16:13 -69.89, -7.97 133.54 3.10 37
9 06/27/2023 14:52:27 -70.58, 132.20 132.73 06/27/2023 14:53:37 -70.50, 133.51 132.88 49.79 70
10 06/27/2023 15:43:02 70.01, -59.60 46.67 06/27/2023 15:43:11 70.00, -59.55 46.66 1.60 9
11 06/27/2023 16:33:44 -69.91, 107.87 133.44 06/27/2023 16:32:41 -69.90, 107.93 133.45 2.41 63
12 06/30/2023 07:09:10 -70.06,-111.21 133.15 06/30/2023 07:10:12 -70.04,-111.26 133.17 2.71 62
13 06/30/2023 07:59:54 69.96, 56.25 46.75 06/30/2023 07:59:38 69.98, 56.30 46.78 3.38 16
14 06/30/2023 08:50:27 -69.38,-135.58 133.85 06/30/2023 08:49:16 -69.44,-136.81 133.74 48.50 71

Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 6/18/2023
SNOs_Map_NOAA-21_LANDSAT-8_20230618.jpg

Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 06/18/2023 in txt file.

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