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: 10/8/2023
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 10/09/2023 15:42:35 -70.77, 119.24 103.00 10/09/2023 15:43:42 -70.69, 121.38 103.09 79.03 67
2 10/09/2023 16:33:05 69.92, -72.11 76.15 10/09/2023 16:33:21 69.93, -72.08 76.17 1.81 16
3 10/09/2023 17:23:47 -69.83, 95.33 103.92 10/09/2023 17:22:51 -69.82, 95.40 103.94 2.99 56
4 10/12/2023 07:59:13 -69.96,-123.71 102.80 10/12/2023 08:00:25 -69.98,-123.78 102.79 2.93 72
5 10/12/2023 08:49:57 69.85, 43.77 77.10 10/12/2023 08:49:52 69.87, 43.72 77.12 3.24 5
6 10/12/2023 09:40:37 -69.66,-148.63 103.09 10/12/2023 09:39:23 -69.71,-148.87 103.03 11.18 74
7 10/15/2023 00:16:06 -69.96, -7.93 101.81 10/15/2023 00:16:55 -69.94, -7.96 101.84 3.11 49
8 10/15/2023 01:06:50 69.85, 159.54 78.10 10/15/2023 01:06:22 69.82, 159.53 78.07 2.97 28
9 10/17/2023 15:42:33 70.91, -60.98 80.13 10/17/2023 15:43:39 70.82, -58.40 80.04 94.37 66
10 10/17/2023 16:32:58 -69.92, 107.91 100.86 10/17/2023 16:33:24 -69.90, 107.87 100.89 2.74 26
11 10/17/2023 17:23:42 69.81, -84.62 79.05 10/17/2023 17:22:51 69.78, -84.64 79.02 3.38 51
12 10/20/2023 07:59:09 70.10, 56.10 80.28 10/20/2023 08:00:19 70.08, 56.39 80.26 11.24 70
13 10/20/2023 08:49:49 -69.90,-136.27 99.92 10/20/2023 08:49:51 -69.87,-136.28 99.94 2.73 2
14 10/20/2023 09:40:31 69.69, 31.34 79.89 10/20/2023 09:39:19 69.70, 31.13 79.90 8.33 72

Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 10/8/2023
SNOs_Map_NOAA-21_LANDSAT-8_20231008.jpg

Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 10/08/2023 in txt file.

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