Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-20 and LANDSAT-9 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 2/15/2025
Index Date (NOAA-20) Time (NOAA-20) Lat,Lon (NOAA-20) SZA (NOAA-20 ) Date (LANDSAT-9) Time (LANDSAT-9) Lat,Lon (LANDSAT-9) SZA (LANDSAT-9 ) Distance(km) Time Diff (sec)
1 02/16/2025 15:42:55 69.98, -59.67 82.13 02/16/2025 15:43:56 69.99, -59.69 82.13 1.44 61
2 02/16/2025 16:33:37 -69.90, 107.78 97.97 02/16/2025 16:33:26 -69.88, 107.79 97.99 2.24 11
3 02/16/2025 17:24:11 69.25, -83.96 81.33 02/16/2025 17:23:01 69.34, -85.31 81.49 53.73 70
4 02/19/2025 07:59:49 69.98, 56.12 81.18 02/19/2025 08:00:25 69.97, 56.16 81.16 1.66 36
5 02/19/2025 08:50:30 -69.84,-136.36 98.98 02/19/2025 08:49:55 -69.87,-136.35 98.96 2.46 35
6 02/21/2025 23:26:09 -70.63, 3.57 99.09 02/21/2025 23:27:18 -70.51, 5.18 99.29 60.88 69
7 02/22/2025 00:16:42 69.93, 171.97 80.16 02/22/2025 00:16:54 69.91, 171.96 80.13 2.09 12
8 02/22/2025 01:07:23 -69.79, -20.51 100.00 02/22/2025 01:06:24 -69.80, -20.56 99.98 2.15 59
9 02/24/2025 15:42:50 -70.01, 120.32 100.74 02/24/2025 15:43:53 -70.03, 120.36 100.74 2.55 63
10 02/24/2025 16:33:34 69.89, -72.19 79.13 02/24/2025 16:33:20 69.91, -72.15 79.15 3.08 14
11 02/24/2025 17:24:08 -69.38, 95.86 101.42 02/24/2025 17:22:57 -69.42, 94.81 101.33 41.36 71
12 02/27/2025 07:59:43 -69.98,-123.86 101.77 02/27/2025 08:00:20 -69.99,-123.80 101.78 2.54 37
13 02/27/2025 08:50:27 69.86, 43.63 78.09 02/27/2025 08:49:47 69.87, 43.68 78.11 2.46 40

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 2/15/2025
SNOs_Map_NOAA-20_LANDSAT-9_20250215.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 02/15/2025 in txt file.

Historial Predications of SNOs between NOAA-20 and LANDSAT-9