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: 11/4/2025
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 11/06/2025 06:45:05 70.48, 74.38 86.44 11/06/2025 06:46:15 70.38, 75.32 86.35 36.64 70
2 11/06/2025 07:35:39 -69.98,-117.53 94.05 11/06/2025 07:35:50 -69.99,-117.60 94.04 3.03 11
3 11/06/2025 08:26:24 69.89, 49.91 85.88 11/06/2025 08:25:17 69.89, 49.90 85.87 0.63 67
4 11/08/2025 23:01:58 70.09,-169.25 86.83 11/08/2025 23:02:48 70.08,-169.22 86.83 1.25 50
5 11/08/2025 23:52:39 -69.96, -1.74 93.29 11/08/2025 23:52:18 -69.97, -1.74 93.28 1.63 21
6 11/09/2025 00:43:07 68.97, 167.00 85.74 11/09/2025 00:42:01 68.98, 164.57 85.74 96.86 66
7 11/11/2025 14:28:30 -70.99, 137.73 91.52 11/11/2025 14:29:36 -70.91, 140.24 91.60 91.74 66
8 11/11/2025 15:18:58 70.02, -53.40 87.52 11/11/2025 15:19:17 70.04, -53.41 87.53 1.83 19
9 11/11/2025 16:09:40 -69.94, 114.03 92.56 11/11/2025 16:08:47 -69.93, 114.08 92.57 2.24 53
10 11/14/2025 06:45:14 -70.10,-105.07 91.71 11/14/2025 06:46:19 -70.08,-105.10 91.73 1.98 65
11 11/14/2025 07:35:58 69.96, 62.44 88.17 11/14/2025 07:35:46 69.97, 62.38 88.17 2.40 12
12 11/14/2025 08:26:33 -69.51,-129.57 92.28 11/14/2025 08:25:22 -69.54,-130.58 92.26 39.19 71
13 11/16/2025 23:02:14 -70.04, 10.77 91.09 11/16/2025 23:02:47 -70.05, 10.74 91.09 1.33 33
14 11/16/2025 23:52:58 69.91, 178.28 88.79 11/16/2025 23:52:14 69.93, 178.22 88.81 3.30 44

Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 11/4/2025
SNOs_Map_NOAA-20_LANDSAT-8_20251105.jpg

Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 11/04/2025 in txt file.

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