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: 7/24/2025
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 07/25/2025 06:44:48 -70.08,-105.13 129.50 07/25/2025 06:45:57 -70.07,-105.08 129.52 2.40 69
2 07/25/2025 07:35:32 69.94, 62.39 50.37 07/25/2025 07:35:24 69.96, 62.42 50.39 2.63 8
3 07/25/2025 08:26:10 -69.66,-129.88 129.92 07/25/2025 08:24:57 -69.69,-130.33 129.87 17.71 73
4 07/27/2025 23:01:41 -70.00, 10.76 128.98 07/27/2025 23:02:26 -70.03, 10.75 128.96 2.96 45
5 07/27/2025 23:52:26 69.92, 178.19 50.95 07/27/2025 23:51:53 69.92, 178.24 50.95 2.02 33
6 07/30/2025 14:28:08 70.80, -42.04 52.50 07/30/2025 14:29:15 70.68, -40.04 52.29 74.38 67
7 07/30/2025 15:18:36 -69.98, 126.57 128.36 07/30/2025 15:18:56 -69.97, 126.56 128.38 1.08 20
8 07/30/2025 16:09:20 69.85, -65.93 51.51 07/30/2025 16:08:23 69.86, -65.95 51.53 1.46 57
9 08/02/2025 06:44:49 70.05, 74.92 52.37 08/02/2025 06:45:55 70.06, 74.93 52.37 1.06 66
10 08/02/2025 07:35:31 -69.97,-117.64 127.71 08/02/2025 07:35:25 -69.96,-117.59 127.72 2.44 6
11 08/02/2025 08:26:08 69.47, 50.41 51.78 08/02/2025 08:24:57 69.57, 49.52 51.92 35.98 71
12 08/04/2025 23:01:44 70.04,-169.29 53.07 08/04/2025 23:02:24 70.02,-169.24 53.04 3.26 40
13 08/04/2025 23:52:25 -69.90, -1.77 127.07 08/04/2025 23:51:54 -69.92, -1.75 127.05 1.48 31

Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 7/24/2025
SNOs_Map_NOAA-20_LANDSAT-8_20250724.jpg

Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 07/24/2025 in txt file.

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