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: 6/29/2023
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 -70.12,-111.30 133.08 06/30/2023 07:10:22 -70.11,-111.21 133.11 3.92 71
2 06/30/2023 07:59:54 69.96, 56.26 46.75 06/30/2023 07:59:50 69.95, 56.22 46.75 1.52 4
3 06/30/2023 08:50:34 -69.76,-136.13 133.45 06/30/2023 08:49:21 -69.78,-136.38 133.41 10.02 73
4 07/02/2023 23:26:04 -70.08, 4.53 132.93 07/02/2023 23:26:54 -70.06, 4.60 132.97 3.51 50
5 07/03/2023 00:16:47 69.92, 172.09 46.90 07/03/2023 00:16:22 69.90, 172.02 46.89 2.99 25
6 07/03/2023 01:07:13 -68.98, -19.24 134.08 07/03/2023 01:06:06 -69.02, -21.52 133.94 90.97 67
7 07/05/2023 15:42:55 -69.99, 120.44 132.79 07/05/2023 15:43:25 -69.99, 120.38 132.80 2.17 30
8 07/05/2023 16:33:39 69.89, -72.09 47.11 07/05/2023 16:32:52 69.88, -72.12 47.11 1.21 47
9 07/08/2023 07:09:11 70.33, 68.37 47.85 07/08/2023 07:10:23 70.22, 68.96 47.70 25.13 72
10 07/08/2023 07:59:48 -69.97,-123.75 132.54 07/08/2023 07:59:56 -69.95,-123.79 132.55 2.26 8
11 07/08/2023 08:50:32 69.86, 43.72 47.36 07/08/2023 08:49:23 69.84, 43.70 47.35 2.50 69
12 07/10/2023 23:25:59 70.05,-175.42 47.88 07/10/2023 23:26:56 70.05,-175.41 47.87 0.30 57
13 07/11/2023 00:16:41 -69.94, -7.94 132.23 07/11/2023 00:16:26 -69.95, -7.92 132.23 0.84 15
14 07/11/2023 01:07:12 69.15, 160.51 46.95 07/11/2023 01:06:04 69.23, 158.75 47.10 70.25 68

Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 6/29/2023
SNOs_Map_NOAA-21_LANDSAT-8_20230629.jpg

Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 06/29/2023 in txt file.

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