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: 1/13/2025
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 69.98, -59.64 90.98 01/15/2025 15:43:57 69.97, -59.68 90.96 1.91 65
2 01/15/2025 16:33:34 -69.87, 107.84 89.15 01/15/2025 16:33:27 -69.87, 107.80 89.15 1.74 7
3 01/15/2025 17:24:11 69.40, -84.16 90.36 01/15/2025 17:23:00 69.43, -85.15 90.43 38.81 71
4 01/18/2025 07:59:47 69.93, 56.19 90.41 01/18/2025 08:00:27 69.93, 56.13 90.40 2.33 40
5 01/18/2025 08:50:29 -69.82,-136.32 89.72 01/18/2025 08:49:57 -69.83,-136.38 89.71 2.41 32
6 01/20/2025 23:26:12 -70.67, 3.50 89.38 01/20/2025 23:27:20 -70.57, 5.29 89.56 66.93 68
7 01/21/2025 00:16:43 69.89, 172.02 89.80 01/21/2025 00:16:57 69.91, 171.98 89.81 2.38 14
8 01/21/2025 01:07:26 -69.83, -20.57 90.28 01/21/2025 01:06:27 -69.81, -20.53 90.30 3.01 59
9 01/23/2025 15:42:56 -70.00, 120.31 90.69 01/23/2025 15:43:59 -70.02, 120.38 90.69 3.42 63
10 01/23/2025 16:33:39 69.86, -72.17 89.15 01/23/2025 16:33:27 69.85, -72.22 89.15 2.10 12
11 01/23/2025 17:24:14 -69.37, 95.86 91.37 01/23/2025 17:23:03 -69.42, 94.83 91.27 40.75 71
12 01/26/2025 07:59:51 -69.93,-123.81 91.43 01/26/2025 08:00:29 -69.94,-123.87 91.43 2.54 38
13 01/26/2025 08:50:35 69.84, 43.64 88.47 01/26/2025 08:49:56 69.82, 43.61 88.46 2.19 39

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 1/13/2025
SNOs_Map_NOAA-20_LANDSAT-9_20250113.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 01/13/2025 in txt file.

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