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: 9/30/2025
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 10/02/2025 15:18:08 -70.05, 126.68 106.22 10/02/2025 15:19:13 -70.06, 126.64 106.22 1.42 65
2 10/02/2025 16:08:52 69.96, -65.86 73.70 10/02/2025 16:08:40 69.95, -65.86 73.70 0.49 12
3 10/02/2025 16:59:27 -69.48, 102.15 106.77 10/02/2025 16:58:16 -69.51, 101.16 106.74 38.68 71
4 10/05/2025 07:34:59 -70.05,-117.52 105.19 10/05/2025 07:35:39 -70.03,-117.50 105.21 1.94 40
5 10/05/2025 08:25:42 69.90, 50.02 74.67 10/05/2025 08:25:06 69.92, 49.99 74.70 2.99 36
6 10/07/2025 23:01:18 70.63,-169.97 76.41 10/07/2025 23:02:27 70.57,-168.46 76.34 56.14 69
7 10/07/2025 23:51:50 -70.00, -1.66 104.22 10/07/2025 23:52:05 -70.02, -1.62 104.20 2.73 15
8 10/08/2025 00:42:34 69.90, 165.80 75.70 10/08/2025 00:41:32 69.91, 165.87 75.71 2.69 62
9 10/10/2025 15:17:59 70.07, -53.29 76.86 10/10/2025 15:19:01 70.07, -53.28 76.86 0.89 62
10 10/10/2025 16:08:41 -69.96, 114.19 103.24 10/10/2025 16:08:31 -69.97, 114.20 103.23 0.91 10
11 10/10/2025 16:59:16 69.39, -77.66 76.20 10/10/2025 16:58:06 69.41, -78.91 76.23 49.28 70
12 10/13/2025 07:34:50 70.04, 62.54 77.84 10/13/2025 07:35:26 70.03, 62.57 77.83 1.12 36
13 10/13/2025 08:25:32 -69.93,-129.98 102.26 10/13/2025 08:24:56 -69.93,-129.95 102.27 1.20 36

Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 9/30/2025
SNOs_Map_NOAA-20_LANDSAT-8_20250930.jpg

Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 09/30/2025 in txt file.

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