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: 11/4/2025
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 11/06/2025 06:45:04 70.45, 74.42 86.42 11/06/2025 06:46:15 70.35, 75.27 86.31 34.14 71
2 11/06/2025 07:35:39 -70.01,-117.57 94.02 11/06/2025 07:35:49 -70.02,-117.57 94.01 0.57 10
3 11/06/2025 08:26:24 69.92, 49.87 85.91 11/06/2025 08:25:16 69.91, 49.93 85.89 2.83 68
4 11/08/2025 23:01:58 70.07,-169.22 86.81 11/08/2025 23:02:49 70.04,-169.28 86.79 3.35 51
5 11/08/2025 23:52:40 -69.99, -1.79 93.26 11/08/2025 23:52:18 -69.99, -1.72 93.26 2.58 22
6 11/09/2025 00:43:07 68.95, 167.03 85.72 11/09/2025 00:42:01 69.00, 164.59 85.76 97.36 66
7 11/11/2025 14:28:30 -70.97, 137.76 91.54 11/11/2025 14:29:37 -70.86, 140.17 91.65 88.44 67
8 11/11/2025 15:18:59 70.05, -53.45 87.55 11/11/2025 15:19:17 70.04, -53.40 87.54 2.47 18
9 11/11/2025 16:09:40 -69.92, 114.07 92.58 11/11/2025 16:08:47 -69.94, 114.09 92.57 1.81 53
10 11/14/2025 06:45:13 -70.08,-105.04 91.73 11/14/2025 06:46:18 -70.08,-105.11 91.73 2.50 65
11 11/14/2025 07:35:58 70.00, 62.39 88.20 11/14/2025 07:35:44 70.02, 62.45 88.22 3.25 14
12 11/14/2025 08:26:32 -69.49,-129.55 92.29 11/14/2025 08:25:21 -69.53,-130.59 92.26 40.59 71
13 11/16/2025 23:02:14 -70.08, 10.71 91.05 11/16/2025 23:02:45 -70.08, 10.79 91.05 2.91 31
14 11/16/2025 23:52:58 69.95, 178.22 88.83 11/16/2025 23:52:12 69.96, 178.27 88.84 2.55 46

Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 11/4/2025
SNOs_Map_NOAA-20_LANDSAT-8_20251104.jpg

Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 11/04/2025 in txt file.

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