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: 11/1/2025
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 -70.05, 126.62 94.80 11/03/2025 15:19:20 -70.07, 126.62 94.78 2.09 41
2 11/03/2025 16:09:24 69.96, -65.94 85.13 11/03/2025 16:08:47 69.96, -65.88 85.13 2.26 37
3 11/06/2025 06:45:04 70.46, 74.41 86.43 11/06/2025 06:46:15 70.34, 75.26 86.31 34.87 71
4 11/06/2025 07:35:39 -70.02,-117.58 94.01 11/06/2025 07:35:49 -70.01,-117.57 94.02 0.71 10
5 11/06/2025 08:26:23 69.88, 49.94 85.87 11/06/2025 08:25:16 69.90, 49.92 85.89 2.65 67
6 11/08/2025 23:01:58 70.07,-169.23 86.82 11/08/2025 23:02:48 70.09,-169.21 86.83 1.87 50
7 11/08/2025 23:52:40 -69.99, -1.79 93.25 11/08/2025 23:52:18 -69.98, -1.73 93.27 2.76 22
8 11/09/2025 00:43:07 68.95, 167.02 85.73 11/09/2025 00:42:01 68.99, 164.58 85.75 97.40 66
9 11/11/2025 14:28:30 -70.98, 137.76 91.54 11/11/2025 14:29:37 -70.85, 140.16 91.66 88.29 67
10 11/11/2025 15:18:58 70.01, -53.38 87.50 11/11/2025 15:19:17 70.03, -53.41 87.52 2.99 19
11 11/11/2025 16:09:40 -69.93, 114.06 92.57 11/11/2025 16:08:47 -69.93, 114.08 92.58 0.62 53
12 11/14/2025 06:45:15 -70.13,-105.12 91.68 11/14/2025 06:46:18 -70.12,-105.05 91.69 3.25 63
13 11/14/2025 07:35:59 70.00, 62.39 88.21 11/14/2025 07:35:45 70.00, 62.43 88.20 1.73 14
14 11/14/2025 08:26:33 -69.49,-129.55 92.29 11/14/2025 08:25:22 -69.51,-130.60 92.28 41.19 71

Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 11/1/2025
SNOs_Map_NOAA-20_LANDSAT-8_20251102.jpg

Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 11/01/2025 in txt file.

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