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: 5/22/2023
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 22:35:45 -71.05, 15.69 129.66 05/23/2023 22:36:51 -70.95, 18.29 129.82 94.76 66
2 05/23/2023 23:26:12 70.03,-175.38 49.28 05/23/2023 23:26:33 70.03,-175.44 49.27 2.42 21
3 05/24/2023 00:16:54 -69.95, -7.94 130.81 05/24/2023 00:16:02 -69.97, -7.88 130.79 2.86 52
4 05/26/2023 14:52:24 -70.18, 132.86 131.05 05/26/2023 14:53:35 -70.15, 132.98 131.08 5.15 71
5 05/26/2023 15:43:07 70.00, -59.56 48.77 05/26/2023 15:43:03 69.99, -59.60 48.76 1.68 4
6 05/26/2023 16:33:47 -69.81, 108.04 131.44 05/26/2023 16:32:34 -69.83, 107.81 131.41 9.22 73
7 05/29/2023 07:09:18 -70.10,-111.25 131.57 05/29/2023 07:10:05 -70.10,-111.21 131.58 1.31 47
8 05/29/2023 08:00:02 69.98, 56.24 48.31 05/29/2023 07:59:32 69.99, 56.27 48.32 1.63 30
9 05/31/2023 22:35:44 70.91,-164.09 48.89 05/31/2023 22:36:51 70.82,-161.88 48.75 81.10 67
10 05/31/2023 23:26:12 -70.08, 4.55 131.98 05/31/2023 23:26:33 -70.06, 4.62 132.00 3.47 21
11 06/01/2023 00:16:55 69.91, 172.11 47.85 06/01/2023 00:16:01 69.89, 172.03 47.83 3.39 54
12 06/03/2023 14:52:24 70.11, -47.05 47.72 06/03/2023 14:53:32 70.10, -47.06 47.70 1.27 68
13 06/03/2023 15:43:06 -70.01, 120.41 132.39 06/03/2023 15:43:02 -70.00, 120.42 132.41 1.98 4
14 06/03/2023 16:33:45 69.64, -71.72 47.22 06/03/2023 16:32:33 69.66, -72.40 47.26 26.17 72

Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 5/22/2023
SNOs_Map_NOAA-21_LANDSAT-8_20230522.jpg

Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 05/22/2023 in txt file.

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