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: 5/28/2025
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 05/30/2025 07:34:34 -70.02,-117.58 131.87 05/30/2025 07:35:00 -70.01,-117.52 131.89 2.60 26
2 05/30/2025 08:25:17 69.87, 49.96 47.97 05/30/2025 08:24:28 69.86, 49.91 47.96 2.70 49
3 06/01/2025 23:00:47 70.11,-169.25 47.86 06/01/2025 23:01:59 70.06,-169.19 47.81 5.00 72
4 06/01/2025 23:51:28 -69.94, -1.68 132.32 06/01/2025 23:51:29 -69.95, -1.71 132.31 1.87 1
5 06/02/2025 00:42:10 69.74, 165.93 47.47 06/02/2025 00:40:57 69.79, 165.71 47.53 10.60 73
6 06/04/2025 15:17:42 70.03, -53.36 47.46 06/04/2025 15:18:28 70.04, -53.34 47.46 1.15 46
7 06/04/2025 16:08:24 -69.92, 114.13 132.67 06/04/2025 16:07:58 -69.93, 114.14 132.65 1.59 26
8 06/07/2025 06:44:10 -70.94,-106.36 131.86 06/07/2025 06:45:16 -70.87,-103.87 132.01 90.89 66
9 06/07/2025 07:34:38 70.01, 62.44 47.17 06/07/2025 07:34:57 69.99, 62.48 47.14 2.67 19
10 06/07/2025 08:25:20 -69.90,-130.07 132.96 06/07/2025 08:24:27 -69.89,-130.03 132.97 1.94 53
11 06/09/2025 23:00:49 -70.04, 10.86 133.03 06/09/2025 23:01:59 -70.04, 10.80 133.04 2.44 70
12 06/09/2025 23:51:33 69.94, 178.31 46.87 06/09/2025 23:51:26 69.93, 178.28 46.85 2.29 7
13 06/10/2025 00:42:11 -69.62, -13.89 133.47 06/10/2025 00:40:59 -69.66, -14.46 133.41 22.37 72

Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 5/28/2025
SNOs_Map_NOAA-20_LANDSAT-8_20250528.jpg

Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 05/28/2025 in txt file.

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