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: 7/2/2025
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 07/03/2025 23:01:29 70.05,-169.29 47.17 07/03/2025 23:02:18 70.02,-169.26 47.13 3.31 49
2 07/03/2025 23:52:10 -69.92, -1.78 132.97 07/03/2025 23:51:48 -69.91, -1.78 132.98 1.01 22
3 07/04/2025 00:42:37 68.88, 167.02 45.95 07/04/2025 00:41:31 68.92, 164.54 46.10 99.62 66
4 07/06/2025 14:28:00 -70.97, 137.68 131.61 07/06/2025 14:29:06 -70.85, 140.20 131.83 92.57 66
5 07/06/2025 15:18:28 70.00, -53.46 47.37 07/06/2025 15:18:47 69.98, -53.44 47.35 1.96 19
6 07/06/2025 16:09:09 -69.87, 114.06 132.77 07/06/2025 16:08:17 -69.87, 114.04 132.75 0.96 52
7 07/09/2025 06:44:43 -70.03,-105.06 132.30 07/09/2025 06:45:50 -70.03,-105.13 132.30 2.69 67
8 07/09/2025 07:35:28 69.94, 62.37 47.62 07/09/2025 07:35:17 69.92, 62.36 47.60 2.48 11
9 07/09/2025 08:26:03 -69.49,-129.65 132.85 07/09/2025 08:24:52 -69.54,-130.52 132.76 34.63 71
10 07/11/2025 23:01:44 -70.03, 10.69 131.95 07/11/2025 23:02:19 -70.02, 10.74 131.96 2.15 35
11 07/11/2025 23:52:28 69.89, 178.20 47.92 07/11/2025 23:51:46 69.91, 178.23 47.94 1.64 42
12 07/14/2025 14:28:05 70.22, -41.18 48.65 07/14/2025 14:29:17 70.15, -40.82 48.55 15.56 72
13 07/14/2025 15:18:43 -69.93, 126.59 131.65 07/14/2025 15:18:49 -69.94, 126.51 131.64 3.30 6
14 07/14/2025 16:09:28 69.85, -65.98 48.27 07/14/2025 16:08:16 69.82, -66.01 48.26 3.14 72

Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 7/2/2025
SNOs_Map_NOAA-20_LANDSAT-8_20250702.jpg

Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 07/02/2025 in txt file.

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