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: 4/8/2025
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 04/09/2025 16:07:36 70.02, -65.88 62.14 04/09/2025 16:08:03 70.01, -65.87 62.12 1.85 27
2 04/09/2025 16:58:17 -69.89, 101.64 118.02 04/09/2025 16:57:33 -69.89, 101.60 118.01 1.50 44
3 04/12/2025 07:33:51 -70.13,-117.60 118.73 04/12/2025 07:35:02 -70.11,-117.48 118.76 4.73 71
4 04/12/2025 08:24:34 69.95, 49.99 61.07 04/12/2025 08:24:30 69.95, 49.93 61.07 2.04 4
5 04/12/2025 09:15:14 -69.76,-142.41 119.14 04/12/2025 09:14:01 -69.78,-142.67 119.11 10.02 73
6 04/14/2025 23:50:48 -70.01, -1.66 119.83 04/14/2025 23:51:29 -70.01, -1.73 119.83 2.91 41
7 04/15/2025 00:41:32 69.89, 165.84 60.04 04/15/2025 00:40:56 69.90, 165.76 60.06 3.53 36
8 04/17/2025 15:17:09 70.36, -53.77 59.61 04/17/2025 15:18:20 70.26, -53.12 59.48 26.78 71
9 04/17/2025 16:07:46 -70.01, 114.11 120.78 04/17/2025 16:07:53 -69.98, 114.12 120.81 2.48 7
10 04/17/2025 16:58:30 69.89, -78.41 59.09 04/17/2025 16:57:20 69.87, -78.39 59.08 2.13 70
11 04/20/2025 07:34:02 70.06, 62.46 58.36 04/20/2025 07:34:47 70.07, 62.51 58.37 2.05 45
12 04/20/2025 08:24:44 -69.96,-130.07 121.76 04/20/2025 08:24:17 -69.96,-130.01 121.76 2.08 27

Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 4/8/2025
SNOs_Map_NOAA-20_LANDSAT-8_20250408.jpg

Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 04/08/2025 in txt file.

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