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: 1/14/2025
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 01/15/2025 15:42:52 70.00, -59.66 90.99 01/15/2025 15:43:56 70.01, -59.63 91.00 2.44 64
2 01/15/2025 16:33:34 -69.88, 107.82 89.13 01/15/2025 16:33:26 -69.90, 107.85 89.12 2.54 8
3 01/15/2025 17:24:10 69.36, -84.10 90.32 01/15/2025 17:23:00 69.41, -85.17 90.42 42.15 70
4 01/18/2025 07:59:48 69.95, 56.17 90.43 01/18/2025 08:00:27 69.97, 56.19 90.44 2.64 39
5 01/18/2025 08:50:30 -69.84,-136.34 89.70 01/18/2025 08:49:57 -69.87,-136.32 89.67 3.34 33
6 01/20/2025 23:26:11 -70.64, 3.55 89.41 01/20/2025 23:27:20 -70.55, 5.27 89.57 63.98 69
7 01/21/2025 00:16:43 69.91, 171.99 89.82 01/21/2025 00:16:57 69.90, 171.96 89.80 2.10 14
8 01/21/2025 01:07:25 -69.80, -20.52 90.31 01/21/2025 01:06:27 -69.79, -20.55 90.31 1.16 58
9 01/23/2025 15:42:55 -69.98, 120.35 90.72 01/23/2025 15:44:00 -69.96, 120.28 90.75 3.50 65
10 01/23/2025 16:33:39 69.89, -72.20 89.18 01/23/2025 16:33:26 69.90, -72.16 89.19 2.16 13
11 01/23/2025 17:24:14 -69.40, 95.83 91.34 01/23/2025 17:23:02 -69.47, 94.89 91.23 37.46 72
12 01/26/2025 07:59:51 -69.96,-123.85 91.40 01/26/2025 08:00:28 -69.98,-123.81 91.38 3.18 37
13 01/26/2025 08:50:34 69.81, 43.67 88.45 01/26/2025 08:49:56 69.81, 43.60 88.45 2.78 38

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 1/14/2025
SNOs_Map_NOAA-20_LANDSAT-9_20250114.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 01/14/2025 in txt file.

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