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: 8/26/2025
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 08/28/2025 23:01:37 -70.04, 10.77 119.36 08/28/2025 23:02:35 -70.03, 10.75 119.38 1.47 58
2 08/28/2025 23:52:21 69.93, 178.24 60.54 08/28/2025 23:52:02 69.93, 178.25 60.53 0.53 19
3 08/29/2025 00:42:51 -69.21, -13.38 120.21 08/29/2025 00:41:42 -69.27, -15.02 120.10 64.97 69
4 08/31/2025 15:18:31 -70.03, 126.57 118.42 08/31/2025 15:19:03 -70.04, 126.64 118.43 2.87 32
5 08/31/2025 16:09:14 69.87, -65.88 61.43 08/31/2025 16:08:31 69.87, -65.94 61.44 2.11 43
6 09/03/2025 06:44:48 70.39, 74.47 62.91 09/03/2025 06:45:58 70.29, 75.27 62.79 31.64 70
7 09/03/2025 07:35:24 -69.97,-117.56 117.52 09/03/2025 07:35:32 -69.96,-117.57 117.52 0.64 8
8 09/03/2025 08:26:08 69.87, 49.90 62.40 09/03/2025 08:24:59 69.85, 49.92 62.39 1.77 69
9 09/05/2025 23:01:34 70.02,-169.18 63.52 09/05/2025 23:02:29 70.03,-169.21 63.52 1.97 55
10 09/05/2025 23:52:16 -69.91, -1.69 116.59 09/05/2025 23:51:59 -69.93, -1.73 116.57 2.22 17
11 09/06/2025 00:42:46 69.07, 166.83 62.56 09/06/2025 00:41:38 69.15, 164.87 62.69 78.24 68
12 09/08/2025 15:18:27 69.98, -53.33 64.47 09/08/2025 15:18:57 69.98, -53.40 64.47 2.87 30
13 09/08/2025 16:09:09 -69.86, 114.16 115.64 09/08/2025 16:08:27 -69.87, 114.09 115.63 3.16 42

Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 8/26/2025
SNOs_Map_NOAA-20_LANDSAT-8_20250827.jpg

Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 08/26/2025 in txt file.

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