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: 9/25/2025
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 09/27/2025 07:35:09 70.04, 62.44 71.71 09/27/2025 07:35:44 70.02, 62.46 71.68 2.22 35
2 09/27/2025 08:25:51 -69.93,-130.08 108.39 09/27/2025 08:25:14 -69.90,-130.07 108.42 3.35 37
3 09/29/2025 23:01:27 -70.68, 9.91 106.62 09/29/2025 23:02:36 -70.56, 11.49 106.75 59.88 69
4 09/29/2025 23:52:00 70.01, 178.28 72.72 09/29/2025 23:52:11 70.02, 178.34 72.72 2.85 11
5 09/30/2025 00:42:42 -69.90, -14.25 107.38 09/30/2025 00:41:41 -69.90, -14.18 107.38 2.70 61
6 10/02/2025 15:18:08 -70.08, 126.64 106.19 10/02/2025 15:19:12 -70.09, 126.69 106.19 1.84 64
7 10/02/2025 16:08:51 69.93, -65.83 73.68 10/02/2025 16:08:40 69.92, -65.90 73.67 3.13 11
8 10/02/2025 16:59:26 -69.46, 102.19 106.79 10/02/2025 16:58:15 -69.54, 101.21 106.71 39.48 71
9 10/05/2025 07:34:59 -70.02,-117.48 105.22 10/05/2025 07:35:40 -70.01,-117.53 105.23 2.28 41
10 10/05/2025 08:25:43 69.93, 49.97 74.70 10/05/2025 08:25:07 69.90, 49.96 74.67 3.26 36
11 10/07/2025 23:01:19 70.65,-170.00 76.44 10/07/2025 23:02:28 70.55,-168.49 76.32 57.29 69
12 10/07/2025 23:51:51 -70.02, -1.69 104.20 10/07/2025 23:52:06 -70.00, -1.64 104.22 2.32 15
13 10/08/2025 00:42:34 69.87, 165.84 75.67 10/08/2025 00:41:33 69.89, 165.84 75.69 1.50 61

Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 9/25/2025
SNOs_Map_NOAA-20_LANDSAT-8_20250926.jpg

Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 09/25/2025 in txt file.

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