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 -70.26, 10.52 132.80 06/09/2025 23:02:03 -70.19, 10.98 132.89 18.66 71
2 06/09/2025 23:51:32 69.94, 178.32 46.87 06/09/2025 23:51:33 69.93, 178.25 46.86 2.83 1
3 06/10/2025 00:42:14 -69.84, -14.21 133.24 06/10/2025 00:41:03 -69.82, -14.27 133.26 3.11 71
4 06/12/2025 15:17:44 -70.04, 126.63 133.21 06/12/2025 15:18:38 -70.02, 126.61 133.23 2.32 54
5 06/12/2025 16:08:28 69.93, -65.90 46.69 06/12/2025 16:08:05 69.91, -65.89 46.67 2.12 23
6 06/12/2025 16:58:55 -69.04, 102.71 134.25 06/12/2025 16:57:48 -69.09, 100.63 134.12 82.76 67
7 06/15/2025 07:34:39 -69.98,-117.52 133.39 06/15/2025 07:35:10 -69.99,-117.55 133.38 1.74 31
8 06/15/2025 08:25:23 69.88, 49.95 46.50 06/15/2025 08:24:37 69.88, 49.94 46.51 0.80 46
9 06/17/2025 23:00:58 70.35,-169.63 46.92 06/17/2025 23:02:09 70.22,-168.99 46.76 28.33 71
10 06/17/2025 23:51:34 -69.93, -1.67 133.52 06/17/2025 23:51:42 -69.95, -1.74 133.50 3.25 8
11 06/18/2025 00:42:18 69.83, 165.80 46.37 06/18/2025 00:41:09 69.84, 165.75 46.39 2.15 69
12 06/20/2025 15:17:47 70.04, -53.38 46.57 06/20/2025 15:18:42 70.04, -53.36 46.56 0.66 55
13 06/20/2025 16:08:29 -69.94, 114.09 133.54 06/20/2025 16:08:12 -69.95, 114.13 133.54 1.71 17
14 06/20/2025 16:58:59 69.09, -77.37 45.58 06/20/2025 16:57:51 69.17, -79.28 45.73 76.10 68

Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 6/8/2025
SNOs_Map_NOAA-20_LANDSAT-8_20250609.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