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: 6/8/2025
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 06/09/2025 23:00:52 -70.24, 10.54 132.81 06/09/2025 23:02:03 -70.20, 11.00 132.88 17.79 71
2 06/09/2025 23:51:32 69.93, 178.33 46.86 06/09/2025 23:51:33 69.94, 178.26 46.87 2.86 1
3 06/10/2025 00:42:14 -69.83, -14.20 133.25 06/10/2025 00:41:03 -69.83, -14.26 133.25 2.24 71
4 06/12/2025 15:17:44 -70.03, 126.65 133.22 06/12/2025 15:18:38 -70.03, 126.62 133.23 1.15 54
5 06/12/2025 16:08:28 69.92, -65.89 46.68 06/12/2025 16:08:05 69.92, -65.89 46.67 0.41 23
6 06/12/2025 16:58:56 -69.08, 102.65 134.20 06/12/2025 16:57:48 -69.10, 100.64 134.12 79.88 68
7 06/15/2025 07:34:39 -69.97,-117.50 133.40 06/15/2025 07:35:10 -69.99,-117.55 133.39 2.97 31
8 06/15/2025 08:25:23 69.87, 49.97 46.49 06/15/2025 08:24:37 69.88, 49.94 46.51 1.94 46
9 06/17/2025 23:00:57 70.34,-169.62 46.91 06/17/2025 23:02:07 70.26,-168.93 46.80 27.43 70
10 06/17/2025 23:51:34 -69.98, -1.73 133.48 06/17/2025 23:51:40 -70.00, -1.67 133.46 3.31 6
11 06/18/2025 00:42:17 69.82, 165.81 46.36 06/18/2025 00:41:08 69.83, 165.74 46.38 3.03 69
12 06/20/2025 15:17:47 70.03, -53.37 46.56 06/20/2025 15:18:42 70.03, -53.39 46.54 1.28 55
13 06/20/2025 16:08:29 -69.93, 114.11 133.55 06/20/2025 16:08:12 -69.93, 114.11 133.55 0.35 17
14 06/20/2025 16:58:59 69.08, -77.36 45.57 06/20/2025 16:57:51 69.15, -79.30 45.71 77.41 68

Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 6/8/2025
SNOs_Map_NOAA-20_LANDSAT-8_20250608.jpg

Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 06/08/2025 in txt file.

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