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: 8/4/2025
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 08/04/2025 23:01:43 70.03,-169.27 53.06 08/04/2025 23:02:29 70.02,-169.27 53.04 0.93 46
2 08/04/2025 23:52:24 -69.90, -1.76 127.07 08/04/2025 23:51:59 -69.91, -1.79 127.06 1.22 25
3 08/07/2025 15:18:37 69.98, -53.41 53.74 08/07/2025 15:19:01 69.96, -53.47 53.72 2.91 24
4 08/07/2025 16:09:19 -69.90, 114.02 126.34 08/07/2025 16:08:30 -69.91, 114.09 126.32 2.67 49
5 08/10/2025 06:44:51 -70.26,-105.39 125.21 08/10/2025 06:46:02 -70.21,-104.88 125.29 19.67 71
6 08/10/2025 07:35:31 69.93, 62.43 54.46 08/10/2025 07:35:32 69.94, 62.37 54.47 2.59 1
7 08/10/2025 08:26:13 -69.85,-130.13 125.62 08/10/2025 08:25:02 -69.83,-130.14 125.63 1.51 71
8 08/12/2025 23:01:42 -70.06, 10.71 124.63 08/12/2025 23:02:35 -70.07, 10.79 124.63 3.16 53
9 08/12/2025 23:52:25 69.89, 178.27 55.21 08/12/2025 23:52:03 69.90, 178.20 55.23 3.37 22
10 08/13/2025 00:42:53 -69.06, -13.21 125.65 08/13/2025 00:41:45 -69.14, -15.20 125.49 79.31 68
11 08/15/2025 15:18:35 -70.01, 126.55 123.85 08/15/2025 15:19:05 -70.01, 126.59 123.85 1.51 30
12 08/15/2025 16:09:19 69.90, -65.97 56.05 08/15/2025 16:08:32 69.90, -65.93 56.05 1.75 47

Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 8/4/2025
SNOs_Map_NOAA-20_LANDSAT-8_20250804.jpg

Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 08/04/2025 in txt file.

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