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: 6/28/2023
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 06/30/2023 07:09:11 -70.11,-111.29 133.09 06/30/2023 07:10:22 -70.12,-111.20 133.10 3.62 71
2 06/30/2023 07:59:54 69.95, 56.27 46.75 06/30/2023 07:59:50 69.96, 56.23 46.76 1.87 4
3 06/30/2023 08:50:34 -69.75,-136.12 133.46 06/30/2023 08:49:21 -69.79,-136.37 133.40 10.62 73
4 07/02/2023 23:26:04 -70.08, 4.54 132.94 07/02/2023 23:26:54 -70.07, 4.61 132.96 2.93 50
5 07/03/2023 00:16:47 69.92, 172.09 46.90 07/03/2023 00:16:22 69.91, 172.03 46.90 2.30 25
6 07/03/2023 01:07:13 -68.97, -19.24 134.09 07/03/2023 01:06:06 -69.03, -21.51 133.93 90.90 67
7 07/05/2023 15:42:55 -69.99, 120.44 132.79 07/05/2023 15:43:25 -70.00, 120.39 132.79 1.87 30
8 07/05/2023 16:33:39 69.89, -72.10 47.11 07/05/2023 16:32:52 69.89, -72.12 47.11 0.76 47
9 07/08/2023 07:09:11 70.34, 68.36 47.86 07/08/2023 07:10:23 70.22, 68.96 47.71 25.83 72
10 07/08/2023 07:59:48 -69.97,-123.75 132.53 07/08/2023 07:59:56 -69.96,-123.79 132.55 2.06 8
11 07/08/2023 08:50:32 69.87, 43.71 47.37 07/08/2023 08:49:23 69.85, 43.70 47.36 2.92 69
12 07/10/2023 23:25:59 70.06,-175.44 47.90 07/10/2023 23:26:56 70.05,-175.41 47.87 2.12 57
13 07/11/2023 00:16:41 -69.96, -7.96 132.22 07/11/2023 00:16:26 -69.95, -7.92 132.23 1.90 15
14 07/11/2023 01:07:12 69.17, 160.49 46.97 07/11/2023 01:06:04 69.22, 158.75 47.10 69.31 68

Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 6/28/2023
SNOs_Map_NOAA-21_LANDSAT-8_20230628.jpg

Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 06/28/2023 in txt file.

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