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: 3/14/2025
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 03/16/2025 15:17:26 70.90, -54.67 72.43 03/16/2025 15:18:32 70.80, -52.32 72.25 86.23 66
2 03/16/2025 16:07:52 -69.99, 114.09 108.54 03/16/2025 16:08:15 -69.98, 114.11 108.56 1.27 23
3 03/16/2025 16:58:36 69.85, -78.39 71.30 03/16/2025 16:57:42 69.87, -78.40 71.33 2.16 54
4 03/19/2025 07:34:01 70.03, 62.51 70.45 03/19/2025 07:35:11 70.04, 62.45 70.45 2.75 70
5 03/19/2025 08:24:43 -69.96,-130.07 109.64 03/19/2025 08:24:41 -69.93,-130.08 109.67 3.34 2
6 03/19/2025 09:15:22 69.61, 37.75 69.98 03/19/2025 09:14:10 69.65, 37.19 70.05 22.17 72
7 03/21/2025 23:50:51 70.01, 178.32 69.37 03/21/2025 23:51:34 70.04, 178.34 69.39 3.40 43
8 03/22/2025 00:41:32 -69.89, -14.18 110.78 03/22/2025 00:41:05 -69.88, -14.25 110.79 3.03 27
9 03/24/2025 15:17:12 -70.87, 125.43 110.78 03/24/2025 15:18:19 -70.76, 127.65 110.98 81.94 67
10 03/24/2025 16:07:41 69.96, -65.81 68.25 03/24/2025 16:07:58 69.99, -65.83 68.27 3.27 17
11 03/24/2025 16:58:23 -69.88, 101.62 111.85 03/24/2025 16:57:28 -69.88, 101.65 111.85 1.39 55
12 03/27/2025 07:33:47 -70.04,-117.45 112.71 03/27/2025 07:34:54 -70.05,-117.48 112.71 1.79 67
13 03/27/2025 08:24:31 69.92, 50.04 67.15 03/27/2025 08:24:21 69.93, 49.99 67.16 2.29 10
14 03/27/2025 09:15:07 -69.52,-142.06 113.28 03/27/2025 09:13:55 -69.61,-142.82 113.16 30.93 72

Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 3/14/2025
SNOs_Map_NOAA-20_LANDSAT-8_20250314.jpg

Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 03/14/2025 in txt file.

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