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: 9/14/2025
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 09/16/2025 15:18:22 -70.06, 126.59 112.41 09/16/2025 15:19:13 -70.06, 126.64 112.42 2.07 51
2 09/16/2025 16:09:05 69.91, -65.88 67.45 09/16/2025 16:08:41 69.90, -65.94 67.45 2.38 24
3 09/16/2025 16:59:32 -69.01, 102.74 113.45 09/16/2025 16:58:25 -69.02, 100.52 113.41 88.48 67
4 09/19/2025 07:35:14 -69.99,-117.52 111.45 09/19/2025 07:35:45 -69.99,-117.59 111.45 2.36 31
5 09/19/2025 08:25:58 69.90, 49.93 68.47 09/19/2025 08:25:12 69.88, 49.91 68.46 1.61 46
6 09/21/2025 23:01:31 70.41,-169.70 70.01 09/21/2025 23:02:42 70.28,-168.92 69.87 32.32 71
7 09/21/2025 23:52:07 -69.98, -1.72 110.42 09/21/2025 23:52:16 -69.96, -1.75 110.45 2.75 9
8 09/22/2025 00:42:49 69.83, 165.81 69.45 09/22/2025 00:41:42 69.85, 165.74 69.46 2.94 67
9 09/24/2025 15:18:17 70.09, -53.42 70.72 09/24/2025 15:19:15 70.07, -53.35 70.69 3.24 58
10 09/24/2025 16:08:59 -69.97, 114.07 109.39 09/24/2025 16:08:45 -69.96, 114.13 109.40 2.47 14
11 09/24/2025 16:59:31 69.24, -77.56 69.89 09/24/2025 16:58:22 69.30, -79.12 69.96 62.07 69
12 09/27/2025 07:35:09 70.03, 62.45 71.70 09/27/2025 07:35:46 70.00, 62.43 71.67 3.49 37
13 09/27/2025 08:25:51 -69.92,-130.06 108.41 09/27/2025 08:25:16 -69.90,-130.07 108.42 1.70 35

Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 9/14/2025
SNOs_Map_NOAA-20_LANDSAT-8_20250915.jpg

Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 09/14/2025 in txt file.

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