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: 9/4/2025
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 09/05/2025 23:01:35 70.08,-169.27 63.58 09/05/2025 23:02:38 70.07,-169.20 63.56 2.87 63
2 09/05/2025 23:52:16 -69.93, -1.72 116.57 09/05/2025 23:52:08 -69.96, -1.73 116.54 2.97 8
3 09/06/2025 00:42:52 69.40, 166.37 62.90 09/06/2025 00:41:42 69.47, 165.25 63.00 44.45 70
4 09/08/2025 15:18:27 70.00, -53.36 64.49 09/08/2025 15:19:08 70.02, -53.39 64.51 3.04 41
5 09/08/2025 16:09:09 -69.89, 114.12 115.61 09/08/2025 16:08:38 -69.91, 114.09 115.59 2.27 31
6 09/11/2025 06:44:51 -70.85,-106.24 113.63 09/11/2025 06:45:58 -70.76,-104.07 113.78 79.99 67
7 09/11/2025 07:35:20 69.97, 62.47 65.47 09/11/2025 07:35:37 69.99, 62.45 65.49 2.45 17
8 09/11/2025 08:26:02 -69.86,-130.05 114.63 09/11/2025 08:25:07 -69.88,-130.07 114.61 2.44 55
9 09/13/2025 23:01:29 -70.04, 10.83 113.45 09/13/2025 23:02:39 -70.04, 10.76 113.46 2.52 70
10 09/13/2025 23:52:13 69.95, 178.28 66.47 09/13/2025 23:52:06 69.93, 178.25 66.45 2.68 7
11 09/14/2025 00:42:51 -69.63, -13.93 113.85 09/14/2025 00:41:38 -69.71, -14.41 113.75 21.15 73
12 09/16/2025 15:18:21 -70.03, 126.64 112.44 09/16/2025 15:19:06 -70.00, 126.60 112.47 3.05 45
13 09/16/2025 16:09:04 69.89, -65.84 67.43 09/16/2025 16:08:33 69.89, -65.92 67.43 2.82 31

Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 9/4/2025
SNOs_Map_NOAA-20_LANDSAT-8_20250905.jpg

Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 09/04/2025 in txt file.

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