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: 11/7/2025
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,-169.23 86.82 11/08/2025 23:02:48 70.08,-169.22 86.83 1.29 50
2 11/08/2025 23:52:39 -69.95, -1.72 93.30 11/08/2025 23:52:18 -69.97, -1.75 93.28 2.83 21
3 11/09/2025 00:43:07 68.95, 167.02 85.73 11/09/2025 00:42:01 68.98, 164.57 85.74 97.70 66
4 11/11/2025 14:28:30 -70.98, 137.75 91.53 11/11/2025 14:29:36 -70.89, 140.21 91.62 90.25 66
5 11/11/2025 15:18:58 70.01, -53.38 87.50 11/11/2025 15:19:17 70.02, -53.43 87.51 2.19 19
6 11/11/2025 16:09:40 -69.93, 114.05 92.57 11/11/2025 16:08:47 -69.91, 114.05 92.59 2.68 53
7 11/14/2025 06:45:13 -70.09,-105.06 91.72 11/14/2025 06:46:17 -70.09,-105.08 91.72 1.07 64
8 11/14/2025 07:35:58 70.00, 62.38 88.21 11/14/2025 07:35:44 69.98, 62.40 88.18 2.81 14
9 11/14/2025 08:26:31 -69.45,-129.49 92.34 11/14/2025 08:25:20 -69.54,-130.56 92.25 43.22 71
10 11/16/2025 23:02:13 -70.04, 10.78 91.10 11/16/2025 23:02:45 -70.03, 10.71 91.11 2.65 32
11 11/16/2025 23:52:58 69.95, 178.21 88.83 11/16/2025 23:52:11 69.97, 178.27 88.84 2.89 47
12 11/19/2025 14:28:32 70.13, -40.92 89.62 11/19/2025 14:29:41 70.14, -40.86 89.64 3.18 69
13 11/19/2025 15:19:13 -69.99, 126.60 90.51 11/19/2025 15:19:12 -69.99, 126.55 90.52 2.00 1
14 11/19/2025 16:09:54 69.70, -65.66 89.21 11/19/2025 16:08:41 69.76, -66.12 89.27 19.11 73

Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 11/7/2025
SNOs_Map_NOAA-20_LANDSAT-8_20251107.jpg

Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 11/07/2025 in txt file.

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