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: 10/6/2023
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 10/07/2023 00:16:13 69.95, 172.06 75.17 10/07/2023 00:16:51 69.93, 172.05 75.15 2.31 38
2 10/07/2023 01:06:54 -69.82, -20.42 104.96 10/07/2023 01:06:21 -69.82, -20.47 104.95 2.01 33
3 10/09/2023 15:42:36 -70.77, 119.23 102.99 10/09/2023 15:43:43 -70.68, 121.37 103.09 79.19 67
4 10/09/2023 16:33:06 69.92, -72.12 76.16 10/09/2023 16:33:22 69.92, -72.09 76.16 1.16 16
5 10/09/2023 17:23:47 -69.78, 95.41 103.97 10/09/2023 17:22:52 -69.82, 95.39 103.94 3.49 55
6 10/12/2023 07:59:13 -69.97,-123.72 102.80 10/12/2023 08:00:25 -69.98,-123.78 102.79 2.48 72
7 10/12/2023 08:49:57 69.86, 43.76 77.11 10/12/2023 08:49:52 69.87, 43.71 77.12 2.25 5
8 10/12/2023 09:40:36 -69.61,-148.56 103.14 10/12/2023 09:39:24 -69.65,-148.95 103.09 16.03 72
9 10/15/2023 00:16:06 -69.97, -7.94 101.80 10/15/2023 00:16:55 -69.94, -7.95 101.83 3.01 49
10 10/15/2023 01:06:50 69.86, 159.53 78.11 10/15/2023 01:06:22 69.83, 159.53 78.07 3.53 28
11 10/15/2023 01:57:14 -68.81, -31.66 102.94 10/15/2023 01:56:08 -68.84, -34.14 102.90 99.57 66
12 10/17/2023 15:42:33 70.92, -60.99 80.14 10/17/2023 15:43:39 70.83, -58.39 80.05 95.21 66
13 10/17/2023 16:32:58 -69.93, 107.90 100.86 10/17/2023 16:33:24 -69.91, 107.89 100.88 1.82 26
14 10/17/2023 17:23:42 69.82, -84.63 79.06 10/17/2023 17:22:51 69.79, -84.63 79.02 3.22 51

Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 10/6/2023
SNOs_Map_NOAA-21_LANDSAT-8_20231006.jpg

Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 10/06/2023 in txt file.

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