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: 7/18/2023
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 07/18/2023 23:25:51 -70.05, 4.62 130.88 07/18/2023 23:26:58 -70.03, 4.57 130.91 2.16 67
2 07/19/2023 00:16:35 69.94, 172.09 49.01 07/19/2023 00:16:25 69.93, 172.08 49.01 0.73 10
3 07/19/2023 01:07:11 -69.53, -19.99 131.42 07/19/2023 01:05:59 -69.60, -20.75 131.31 30.62 72
4 07/21/2023 15:42:43 -70.00, 120.46 130.43 07/21/2023 15:43:27 -69.99, 120.41 130.45 2.11 44
5 07/21/2023 16:33:27 69.90, -72.07 49.47 07/21/2023 16:32:54 69.89, -72.09 49.47 1.12 33
6 07/24/2023 07:09:07 70.80, 67.66 50.96 07/24/2023 07:10:14 70.70, 69.69 50.76 75.65 67
7 07/24/2023 07:59:35 -69.97,-123.71 129.93 07/24/2023 07:59:55 -69.98,-123.71 129.91 2.16 20
8 07/24/2023 08:50:19 69.86, 43.76 49.97 07/24/2023 08:49:22 69.88, 43.78 49.99 1.69 57
9 07/26/2023 23:25:45 70.04,-175.36 50.73 07/26/2023 23:26:53 70.05,-175.36 50.73 1.73 68
10 07/27/2023 00:16:27 -69.94, -7.89 129.38 07/27/2023 00:16:23 -69.95, -7.87 129.37 1.46 4
11 07/27/2023 01:07:06 69.57, 159.96 50.25 07/27/2023 01:05:54 69.62, 159.31 50.33 25.74 72
12 07/29/2023 15:42:36 70.02, -59.55 51.32 07/29/2023 15:43:20 69.99, -59.55 51.28 3.43 44
13 07/29/2023 16:33:18 -69.92, 107.92 128.78 07/29/2023 16:32:50 -69.89, 107.93 128.81 3.23 28

Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 7/18/2023
SNOs_Map_NOAA-21_LANDSAT-8_20230718.jpg

Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 07/18/2023 in txt file.

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