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: 3/9/2025
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 03/11/2025 07:34:09 -70.03,-117.54 106.38 03/11/2025 07:35:21 -70.04,-117.59 106.38 1.85 72
2 03/11/2025 08:24:54 69.95, 49.90 73.53 03/11/2025 08:24:48 69.93, 49.91 73.51 1.97 6
3 03/11/2025 09:15:32 -69.67,-142.38 106.78 03/11/2025 09:14:20 -69.71,-142.76 106.72 15.50 72
4 03/13/2025 23:51:01 -70.02, -1.74 107.45 03/13/2025 23:51:49 -70.00, -1.75 107.47 1.92 48
5 03/14/2025 00:41:45 69.89, 165.77 72.40 03/14/2025 00:41:16 69.89, 165.74 72.41 1.40 29
6 03/16/2025 15:17:27 70.93, -54.73 72.47 03/16/2025 15:18:33 70.81, -52.32 72.25 88.84 66
7 03/16/2025 16:07:52 -69.97, 114.13 108.57 03/16/2025 16:08:16 -69.99, 114.12 108.55 2.47 24
8 03/16/2025 16:58:37 69.89, -78.45 71.34 03/16/2025 16:57:43 69.87, -78.40 71.33 2.37 54
9 03/19/2025 07:34:01 70.05, 62.47 70.47 03/19/2025 07:35:12 70.04, 62.44 70.45 1.26 71
10 03/19/2025 08:24:42 -69.92,-130.02 109.68 03/19/2025 08:24:42 -69.94,-130.07 109.66 2.45 0
11 03/19/2025 09:15:23 69.63, 37.71 70.01 03/19/2025 09:14:11 69.71, 37.26 70.11 19.37 72
12 03/21/2025 23:50:52 70.02, 178.31 69.37 03/21/2025 23:51:38 70.01, 178.29 69.36 1.27 46
13 03/22/2025 00:41:33 -69.89, -14.18 110.78 03/22/2025 00:41:08 -69.91, -14.22 110.76 2.50 25

Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 3/9/2025
SNOs_Map_NOAA-20_LANDSAT-8_20250309.jpg

Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 03/09/2025 in txt file.

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