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: 4/27/2025
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 04/28/2025 07:34:10 -70.04,-117.53 124.30 04/28/2025 07:34:56 -70.04,-117.60 124.30 2.62 46
2 04/28/2025 08:24:54 69.92, 49.95 55.58 04/28/2025 08:24:23 69.94, 49.90 55.59 2.18 31
3 04/30/2025 23:00:38 70.77,-170.25 55.65 04/30/2025 23:01:46 70.66,-168.45 55.49 66.96 68
4 04/30/2025 23:51:08 -70.04, -1.77 125.13 04/30/2025 23:51:25 -70.06, -1.70 125.11 3.25 17
5 05/01/2025 00:41:51 69.88, 165.78 54.70 05/01/2025 00:40:53 69.90, 165.72 54.73 3.41 58
6 05/03/2025 15:17:22 70.10, -53.42 54.16 05/03/2025 15:18:24 70.09, -53.41 54.14 1.14 62
7 05/03/2025 16:08:04 -69.99, 114.06 125.97 05/03/2025 16:07:54 -69.98, 114.07 125.98 1.27 10
8 05/03/2025 16:58:39 69.41, -77.77 53.43 05/03/2025 16:57:29 69.43, -79.04 53.48 49.59 70
9 05/06/2025 07:34:19 70.07, 62.39 53.36 05/06/2025 07:34:52 70.08, 62.46 53.37 2.80 33
10 05/06/2025 08:25:01 -69.96,-130.12 126.77 05/06/2025 08:24:22 -69.98,-130.06 126.75 3.09 39
11 05/08/2025 23:00:38 -70.46, 10.24 126.96 05/08/2025 23:01:49 -70.37, 11.10 127.08 33.71 71
12 05/08/2025 23:51:15 70.00, 178.26 52.56 05/08/2025 23:51:21 69.98, 178.19 52.54 3.27 6
13 05/09/2025 00:41:57 -69.88, -14.24 127.58 05/09/2025 00:40:51 -69.88, -14.32 127.57 2.82 66

Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 4/27/2025
SNOs_Map_NOAA-20_LANDSAT-8_20250427.jpg

Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 04/27/2025 in txt file.

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