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: 11/10/2025
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 11/11/2025 14:28:29 -70.98, 137.76 91.54 11/11/2025 14:29:35 -70.89, 140.21 91.62 89.58 66
2 11/11/2025 15:18:58 70.05, -53.44 87.54 11/11/2025 15:19:16 70.02, -53.43 87.51 3.27 18
3 11/11/2025 16:09:39 -69.93, 114.06 92.57 11/11/2025 16:08:46 -69.91, 114.05 92.60 2.35 53
4 11/14/2025 06:45:13 -70.09,-105.06 91.72 11/14/2025 06:46:17 -70.07,-105.11 91.74 2.82 64
5 11/14/2025 07:35:58 70.00, 62.38 88.21 11/14/2025 07:35:43 70.02, 62.46 88.22 3.56 15
6 11/14/2025 08:26:31 -69.45,-129.49 92.34 11/14/2025 08:25:20 -69.52,-130.59 92.27 43.78 71
7 11/16/2025 23:02:13 -70.05, 10.76 91.09 11/16/2025 23:02:44 -70.04, 10.73 91.10 1.34 31
8 11/16/2025 23:52:57 69.91, 178.28 88.79 11/16/2025 23:52:11 69.93, 178.22 88.81 3.17 46
9 11/19/2025 14:28:31 70.09, -40.87 89.59 11/19/2025 14:29:41 70.08, -40.95 89.57 3.26 70
10 11/19/2025 15:19:13 -70.02, 126.56 90.48 11/19/2025 15:19:10 -70.03, 126.61 90.47 2.22 3
11 11/19/2025 16:09:53 69.67, -65.61 89.18 11/19/2025 16:08:41 69.69, -66.21 89.20 23.44 72
12 11/22/2025 06:45:30 70.07, 74.91 90.16 11/22/2025 06:46:05 70.09, 74.96 90.17 2.15 35
13 11/22/2025 07:36:11 -69.94,-117.57 89.97 11/22/2025 07:35:36 -69.93,-117.63 89.98 3.09 35

Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 11/10/2025
SNOs_Map_NOAA-20_LANDSAT-8_20251111.jpg

Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 11/10/2025 in txt file.

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