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: 3/20/2023
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 22:36:24 -70.68, 16.24 109.32 03/20/2023 22:37:34 -70.55, 17.57 109.51 51.45 70
2 03/20/2023 23:26:58 70.05,-175.45 70.00 03/20/2023 23:27:08 70.07,-175.48 70.02 2.77 10
3 03/21/2023 00:17:40 -69.96, -8.00 110.11 03/21/2023 00:16:38 -69.95, -8.02 110.11 1.02 62
4 03/23/2023 14:53:05 -70.13, 132.89 110.97 03/23/2023 14:54:07 -70.11, 132.82 110.99 3.19 62
5 03/23/2023 15:43:49 70.02, -59.63 68.91 03/23/2023 15:43:34 70.01, -59.68 68.90 2.31 15
6 03/23/2023 16:34:22 -69.45, 108.52 111.70 03/23/2023 16:33:11 -69.51, 107.26 111.59 49.43 71
7 03/26/2023 07:09:57 -70.11,-111.30 112.05 03/26/2023 07:10:32 -70.13,-111.27 112.04 2.75 35
8 03/26/2023 08:00:41 70.00, 56.17 67.83 03/26/2023 07:59:59 70.02, 56.22 67.85 2.96 42
9 03/28/2023 22:36:13 70.51,-163.47 67.34 03/28/2023 22:37:24 70.38,-162.64 67.17 33.83 71
10 03/28/2023 23:26:48 -70.05, 4.57 113.17 03/28/2023 23:26:58 -70.06, 4.52 113.16 2.38 10
11 03/29/2023 00:17:32 69.94, 172.04 66.71 03/29/2023 00:16:25 69.94, 172.00 66.72 1.44 67
12 03/31/2023 14:52:58 70.15, -47.12 65.91 03/31/2023 14:53:52 70.16, -47.07 65.91 2.45 54
13 03/31/2023 15:43:40 -70.05, 120.35 114.22 03/31/2023 15:43:22 -70.05, 120.41 114.21 2.45 18
14 03/31/2023 16:34:10 69.20, -71.11 64.89 03/31/2023 16:33:02 69.22, -73.08 64.99 77.87 68

Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 3/20/2023
SNOs_Map_NOAA-21_LANDSAT-8_20230320.jpg

Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 03/20/2023 in txt file.

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