Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-20 and LANDSAT-8 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 11/2/2025
Index Date (NOAA-20) Time (NOAA-20) Lat,Lon (NOAA-20) SZA (NOAA-20 ) Date (LANDSAT-8) Time (LANDSAT-8) Lat,Lon (LANDSAT-8) SZA (LANDSAT-8 ) Distance(km) Time Diff (sec)
1 11/03/2025 15:18:39 -70.09, 126.55 94.75 11/03/2025 15:19:19 -70.07, 126.63 94.77 3.70 40
2 11/03/2025 16:09:23 69.95, -65.93 85.13 11/03/2025 16:08:46 69.97, -65.87 85.14 3.00 37
3 11/06/2025 06:45:04 70.45, 74.42 86.42 11/06/2025 06:46:15 70.35, 75.28 86.32 34.20 71
4 11/06/2025 07:35:39 -70.01,-117.57 94.02 11/06/2025 07:35:49 -70.02,-117.56 94.01 1.36 10
5 11/06/2025 08:26:24 69.92, 49.87 85.91 11/06/2025 08:25:16 69.91, 49.94 85.90 2.84 68
6 11/08/2025 23:01:58 70.06,-169.22 86.81 11/08/2025 23:02:49 70.05,-169.27 86.79 2.65 51
7 11/08/2025 23:52:40 -69.99, -1.78 93.26 11/08/2025 23:52:18 -70.00, -1.71 93.25 3.04 22
8 11/09/2025 00:43:07 68.94, 167.03 85.72 11/09/2025 00:42:01 69.00, 164.60 85.76 97.19 66
9 11/11/2025 14:28:30 -70.97, 137.77 91.54 11/11/2025 14:29:37 -70.87, 140.19 91.64 88.44 67
10 11/11/2025 15:18:59 70.05, -53.45 87.55 11/11/2025 15:19:17 70.05, -53.38 87.54 2.35 18
11 11/11/2025 16:09:40 -69.92, 114.07 92.58 11/11/2025 16:08:48 -69.89, 114.03 92.61 3.40 52
12 11/14/2025 06:45:13 -70.07,-105.03 91.74 11/14/2025 06:46:18 -70.09,-105.09 91.72 2.99 65
13 11/14/2025 07:35:58 69.99, 62.40 88.20 11/14/2025 07:35:45 69.97, 62.39 88.18 2.20 13
14 11/14/2025 08:26:32 -69.49,-129.54 92.30 11/14/2025 08:25:21 -69.54,-130.57 92.25 40.67 71

Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 11/2/2025
SNOs_Map_NOAA-20_LANDSAT-8_20251103.jpg

Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 11/02/2025 in txt file.

Historial Predications of SNOs between NOAA-20 and LANDSAT-8