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: 7/4/2025
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 07/06/2025 14:28:00 -70.95, 137.71 131.63 07/06/2025 14:29:06 -70.87, 140.23 131.81 91.94 66
2 07/06/2025 15:18:28 69.97, -53.42 47.35 07/06/2025 15:18:47 70.00, -53.41 47.37 2.91 19
3 07/06/2025 16:09:10 -69.90, 114.01 132.73 07/06/2025 16:08:17 -69.89, 114.07 132.74 2.52 53
4 07/09/2025 06:44:44 -70.06,-105.11 132.26 07/09/2025 06:45:50 -70.05,-105.11 132.29 1.86 66
5 07/09/2025 07:35:28 69.93, 62.40 47.60 07/09/2025 07:35:17 69.94, 62.39 47.62 1.37 11
6 07/09/2025 08:26:04 -69.53,-129.70 132.81 07/09/2025 08:24:52 -69.56,-130.51 132.74 31.44 72
7 07/11/2025 23:01:43 -70.02, 10.71 131.95 07/11/2025 23:02:18 -70.03, 10.75 131.95 2.16 35
8 07/11/2025 23:52:27 69.88, 178.22 47.91 07/11/2025 23:51:46 69.86, 178.16 47.90 3.20 41
9 07/14/2025 14:28:04 70.22, -41.17 48.65 07/14/2025 14:29:16 70.15, -40.82 48.56 15.06 72
10 07/14/2025 15:18:43 -69.98, 126.52 131.60 07/14/2025 15:18:47 -69.99, 126.59 131.59 3.40 4
11 07/14/2025 16:09:27 69.84, -65.97 48.27 07/14/2025 16:08:15 69.82, -66.00 48.26 2.53 72
12 07/17/2025 06:45:01 70.02, 74.88 48.89 07/17/2025 06:45:46 70.04, 74.92 48.90 2.64 45
13 07/17/2025 07:35:42 -69.89,-117.60 131.25 07/17/2025 07:35:17 -69.89,-117.66 131.25 2.64 25

Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 7/4/2025
SNOs_Map_NOAA-20_LANDSAT-8_20250704.jpg

Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 07/04/2025 in txt file.

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