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: 3/19/2023
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 03/20/2023 22:36:23 -70.67, 16.26 109.33 03/20/2023 22:37:33 -70.57, 17.59 109.50 50.75 70
2 03/20/2023 23:26:58 70.09,-175.52 70.05 03/20/2023 23:27:07 70.08,-175.47 70.03 2.04 9
3 03/21/2023 00:17:39 -69.95, -7.98 110.12 03/21/2023 00:16:37 -69.96, -8.00 110.10 2.08 62
4 03/23/2023 14:53:05 -70.12, 132.91 110.98 03/23/2023 14:54:07 -70.13, 132.84 110.98 2.84 62
5 03/23/2023 15:43:49 70.01, -59.62 68.90 03/23/2023 15:43:34 70.02, -59.67 68.91 2.41 15
6 03/23/2023 16:34:22 -69.44, 108.54 111.72 03/23/2023 16:33:12 -69.47, 107.21 111.63 51.92 70
7 03/26/2023 07:09:57 -70.10,-111.28 112.06 03/26/2023 07:10:33 -70.09,-111.32 112.07 1.59 36
8 03/26/2023 08:00:41 69.99, 56.19 67.82 03/26/2023 08:00:00 69.98, 56.17 67.81 1.40 41
9 03/28/2023 22:36:13 70.50,-163.46 67.33 03/28/2023 22:37:24 70.40,-162.62 67.19 33.24 71
10 03/28/2023 23:26:49 -70.09, 4.51 113.12 03/28/2023 23:26:58 -70.07, 4.54 113.14 2.27 9
11 03/29/2023 00:17:32 69.93, 172.05 66.70 03/29/2023 00:16:25 69.96, 172.03 66.74 3.03 67
12 03/31/2023 14:52:57 70.14, -47.11 65.90 03/31/2023 14:53:52 70.12, -47.12 65.88 1.92 55
13 03/31/2023 15:43:39 -70.04, 120.36 114.22 03/31/2023 15:43:22 -70.02, 120.36 114.24 2.39 17
14 03/31/2023 16:34:09 69.19, -71.10 64.89 03/31/2023 16:33:01 69.24, -73.05 65.00 77.31 68

Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 3/19/2023
SNOs_Map_NOAA-21_LANDSAT-8_20230319.jpg

Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 03/19/2023 in txt file.

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