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: 10/2/2025
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 10/05/2025 07:34:58 -70.01,-117.47 105.23 10/05/2025 07:35:45 -70.02,-117.55 105.23 2.99 47
2 10/05/2025 08:25:42 69.91, 49.99 74.69 10/05/2025 08:25:12 69.91, 49.95 74.69 1.54 30
3 10/07/2025 23:01:25 71.02,-170.61 76.81 10/07/2025 23:02:31 70.90,-168.00 76.68 95.76 66
4 10/07/2025 23:51:50 -70.03, -1.70 104.19 10/07/2025 23:52:15 -70.02, -1.66 104.19 1.38 25
5 10/08/2025 00:42:34 69.93, 165.76 75.73 10/08/2025 00:41:42 69.92, 165.83 75.72 2.96 52
6 10/10/2025 15:18:02 70.26, -53.58 77.05 10/10/2025 15:19:13 70.19, -53.17 76.98 17.16 71
7 10/10/2025 16:08:41 -70.00, 114.14 103.20 10/10/2025 16:08:45 -69.98, 114.16 103.22 2.18 4
8 10/10/2025 16:59:24 69.85, -78.33 76.66 10/10/2025 16:58:12 69.87, -78.35 76.68 2.45 72
9 10/13/2025 07:34:49 70.03, 62.56 77.83 10/13/2025 07:35:44 70.04, 62.50 77.83 2.39 55
10 10/13/2025 08:25:31 -69.93,-129.97 102.27 10/13/2025 08:25:14 -69.94,-130.01 102.26 1.94 17
11 10/13/2025 09:16:01 69.09, 38.56 76.91 10/13/2025 09:14:53 69.16, 36.58 76.98 78.88 68
12 10/15/2025 23:51:39 70.03, 178.35 78.82 10/15/2025 23:52:10 70.06, 178.41 78.84 3.15 31
13 10/16/2025 00:42:21 -69.93, -14.17 101.27 10/16/2025 00:41:41 -69.90, -14.18 101.31 3.31 40

Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 10/2/2025
SNOs_Map_NOAA-20_LANDSAT-8_20251003.jpg

Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 10/02/2025 in txt file.

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