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: 5/23/2023
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 05/23/2023 22:35:46 -71.07, 15.65 129.63 05/23/2023 22:36:52 -70.92, 18.25 129.84 95.74 66
2 05/23/2023 23:26:12 70.06,-175.41 49.31 05/23/2023 23:26:32 70.06,-175.39 49.31 0.94 20
3 05/24/2023 00:16:53 -69.92, -7.89 130.84 05/24/2023 00:16:02 -69.95, -7.91 130.81 2.68 51
4 05/26/2023 14:52:23 -70.15, 132.91 131.08 05/26/2023 14:53:35 -70.14, 132.96 131.10 2.25 72
5 05/26/2023 15:43:07 70.02, -59.60 48.79 05/26/2023 15:43:02 70.03, -59.54 48.80 2.21 5
6 05/26/2023 16:33:46 -69.78, 108.08 131.47 05/26/2023 16:32:34 -69.81, 107.78 131.42 12.04 72
7 05/29/2023 07:09:17 -70.07,-111.20 131.60 05/29/2023 07:10:05 -70.09,-111.23 131.58 2.49 48
8 05/29/2023 08:00:02 70.00, 56.21 48.33 05/29/2023 07:59:32 69.98, 56.26 48.31 3.26 30
9 05/31/2023 22:35:45 70.92,-164.13 48.92 05/31/2023 22:36:52 70.82,-161.88 48.75 82.58 67
10 05/31/2023 23:26:12 -70.05, 4.59 132.01 05/31/2023 23:26:34 -70.06, 4.63 132.00 2.29 22
11 06/01/2023 00:16:56 69.93, 172.08 47.87 06/01/2023 00:16:01 69.95, 172.11 47.89 2.71 55
12 06/03/2023 14:52:24 70.13, -47.08 47.74 06/03/2023 14:53:32 70.11, -47.05 47.71 2.09 68
13 06/03/2023 15:43:06 -70.03, 120.38 132.37 06/03/2023 15:43:02 -70.01, 120.44 132.40 3.43 4
14 06/03/2023 16:33:45 69.66, -71.75 47.24 06/03/2023 16:32:33 69.68, -72.38 47.28 24.35 72

Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 5/23/2023
SNOs_Map_NOAA-21_LANDSAT-8_20230523.jpg

Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 05/23/2023 in txt file.

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