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: 3/6/2025
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 03/08/2025 15:17:34 -70.89, 125.31 104.41 03/08/2025 15:18:41 -70.74, 127.57 104.66 84.27 67
2 03/08/2025 16:08:02 69.97, -65.92 74.60 03/08/2025 16:08:19 69.98, -65.90 74.61 1.37 17
3 03/08/2025 16:58:43 -69.85, 101.58 105.54 03/08/2025 16:57:49 -69.87, 101.58 105.51 2.25 54
4 03/11/2025 07:34:09 -70.03,-117.54 106.37 03/11/2025 07:35:21 -70.04,-117.58 106.38 1.85 72
5 03/11/2025 08:24:54 69.95, 49.89 73.53 03/11/2025 08:24:48 69.93, 49.91 73.51 2.17 6
6 03/11/2025 09:15:32 -69.67,-142.38 106.78 03/11/2025 09:14:20 -69.72,-142.75 106.71 15.32 72
7 03/13/2025 23:51:01 -70.02, -1.74 107.45 03/13/2025 23:51:49 -70.02, -1.72 107.46 0.62 48
8 03/14/2025 00:41:45 69.89, 165.77 72.40 03/14/2025 00:41:16 69.91, 165.76 72.43 2.27 29
9 03/16/2025 15:17:27 70.93, -54.72 72.47 03/16/2025 15:18:33 70.84, -52.27 72.28 89.90 66
10 03/16/2025 16:07:52 -69.96, 114.13 108.57 03/16/2025 16:08:17 -69.97, 114.09 108.57 1.85 25
11 03/16/2025 16:58:36 69.83, -78.37 71.28 03/16/2025 16:57:44 69.85, -78.43 71.31 3.20 52
12 03/19/2025 07:34:02 70.04, 62.48 70.47 03/19/2025 07:35:14 70.04, 62.44 70.45 1.62 72
13 03/19/2025 08:24:42 -69.92,-130.01 109.69 03/19/2025 08:24:43 -69.94,-130.07 109.66 3.33 1
14 03/19/2025 09:15:24 69.68, 37.64 70.06 03/19/2025 09:14:11 69.76, 37.33 70.16 14.86 73

Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 3/6/2025
SNOs_Map_NOAA-20_LANDSAT-8_20250306.jpg

Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 03/06/2025 in txt file.

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