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: 11/8/2025
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 11/08/2025 23:01:58 70.07,-169.22 86.81 11/08/2025 23:02:48 70.09,-169.22 86.83 2.40 50
2 11/08/2025 23:52:40 -69.99, -1.80 93.25 11/08/2025 23:52:18 -69.97, -1.74 93.28 3.02 22
3 11/09/2025 00:43:07 68.95, 167.02 85.72 11/09/2025 00:42:01 68.98, 164.57 85.75 97.92 66
4 11/11/2025 14:28:30 -70.98, 137.75 91.53 11/11/2025 14:29:36 -70.88, 140.21 91.63 89.86 66
5 11/11/2025 15:18:58 70.00, -53.38 87.50 11/11/2025 15:19:17 70.01, -53.44 87.51 2.49 19
6 11/11/2025 16:09:40 -69.93, 114.05 92.57 11/11/2025 16:08:47 -69.90, 114.04 92.60 3.16 53
7 11/14/2025 06:45:13 -70.09,-105.06 91.72 11/14/2025 06:46:17 -70.07,-105.11 91.74 2.66 64
8 11/14/2025 07:35:57 69.95, 62.46 88.16 11/14/2025 07:35:44 69.96, 62.38 88.17 3.12 13
9 11/14/2025 08:26:31 -69.46,-129.49 92.33 11/14/2025 08:25:20 -69.53,-130.59 92.27 43.50 71
10 11/16/2025 23:02:13 -70.05, 10.76 91.09 11/16/2025 23:02:44 -70.05, 10.75 91.09 0.71 31
11 11/16/2025 23:52:57 69.91, 178.28 88.79 11/16/2025 23:52:11 69.93, 178.23 88.81 3.22 46
12 11/19/2025 14:28:31 70.09, -40.87 89.59 11/19/2025 14:29:41 70.09, -40.93 89.59 2.45 70
13 11/19/2025 15:19:13 -70.01, 126.57 90.49 11/19/2025 15:19:11 -69.99, 126.56 90.51 2.33 2
14 11/19/2025 16:09:53 69.66, -65.60 89.18 11/19/2025 16:08:41 69.71, -66.19 89.22 23.24 72

Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 11/8/2025
SNOs_Map_NOAA-20_LANDSAT-8_20251108.jpg

Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 11/08/2025 in txt file.

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