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: 7/26/2025
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 07/27/2025 23:01:42 -70.04, 10.71 128.94 07/27/2025 23:02:26 -70.05, 10.78 128.94 3.10 44
2 07/27/2025 23:52:26 69.90, 178.23 50.92 07/27/2025 23:51:54 69.89, 178.20 50.92 1.23 32
3 07/30/2025 14:28:08 70.77, -42.00 52.47 07/30/2025 14:29:16 70.65, -40.09 52.26 71.49 68
4 07/30/2025 15:18:37 -70.02, 126.52 128.33 07/30/2025 15:18:56 -70.00, 126.59 128.36 3.37 19
5 07/30/2025 16:09:21 69.88, -65.97 51.54 07/30/2025 16:08:23 69.89, -65.92 51.55 2.13 58
6 08/02/2025 06:44:48 70.02, 74.96 52.35 08/02/2025 06:45:55 70.03, 74.88 52.34 2.97 67
7 08/02/2025 07:35:30 -69.95,-117.60 127.73 08/02/2025 07:35:25 -69.92,-117.63 127.75 3.12 5
8 08/02/2025 08:26:08 69.50, 50.36 51.81 08/02/2025 08:24:57 69.53, 49.48 51.89 34.65 71
9 08/04/2025 23:01:43 70.02,-169.26 53.05 08/04/2025 23:02:23 70.04,-169.21 53.06 2.86 40
10 08/04/2025 23:52:24 -69.88, -1.73 127.09 08/04/2025 23:51:54 -69.88, -1.80 127.09 2.57 30
11 08/07/2025 14:28:06 -70.76, 138.03 125.44 08/07/2025 14:29:14 -70.70, 139.99 125.59 72.40 68
12 08/07/2025 15:18:37 69.96, -53.40 53.73 08/07/2025 15:18:52 69.98, -53.41 53.74 1.72 15
13 08/07/2025 16:09:19 -69.88, 114.05 126.36 08/07/2025 16:08:22 -69.88, 114.08 126.35 1.25 57

Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 7/26/2025
SNOs_Map_NOAA-20_LANDSAT-8_20250726.jpg

Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 07/26/2025 in txt file.

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