Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-20 and NOAA-19 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 2/27/2025
Index Date (NOAA-20) Time (NOAA-20) Lat,Lon (NOAA-20) SZA (NOAA-20 ) Date (NOAA-19) Time (NOAA-19) Lat,Lon (NOAA-19) SZA (NOAA-19 ) Distance(km) Time Diff (sec)
1 03/02/2025 18:53:25 -71.14, 70.93 101.85 03/02/2025 18:52:14 -71.15, 69.54 101.75 49.96 71
2 03/02/2025 19:44:19 71.54,-122.45 78.56 03/02/2025 19:43:04 71.54,-122.50 78.58 1.62 75
3 03/02/2025 20:35:03 -71.57, 44.82 101.43 03/02/2025 20:34:03 -71.55, 44.78 101.43 2.00 60
4 03/02/2025 21:25:50 71.60,-147.93 78.60 03/02/2025 21:25:00 71.58,-147.91 78.59 2.51 50
5 03/02/2025 22:16:33 -71.57, 19.43 101.44 03/02/2025 22:15:59 -71.59, 19.37 101.42 2.60 34
6 03/02/2025 23:07:20 71.61,-173.32 78.58 03/02/2025 23:06:56 71.62,-173.32 78.60 1.22 24
7 03/02/2025 23:58:04 -71.63, -6.06 101.41 03/02/2025 23:57:55 -71.63, -6.04 101.41 0.81 9
8 03/03/2025 00:48:51 71.67, 161.19 78.62 03/03/2025 00:48:52 71.66, 161.27 78.61 3.02 1
9 03/03/2025 01:39:34 -71.64, -31.45 101.42 03/03/2025 01:39:51 -71.67, -31.45 101.40 2.93 17
10 03/03/2025 02:30:21 71.68, 135.80 78.60 03/03/2025 02:30:48 71.70, 135.86 78.61 3.29 27
11 03/03/2025 03:21:05 -71.70, -56.93 101.39 03/03/2025 03:21:47 -71.71, -56.86 101.39 2.52 42
12 03/03/2025 04:11:51 71.68, 110.41 78.58 03/03/2025 04:12:45 71.69, 110.36 78.58 1.91 54
13 03/03/2025 05:02:35 -71.71, -82.32 101.40 03/03/2025 05:03:44 -71.70, -82.37 101.43 2.31 69
14 03/03/2025 05:53:25 71.90, 84.64 78.79 03/03/2025 05:54:38 71.88, 85.24 78.72 20.91 73
15 03/03/2025 06:44:20 -72.49,-109.18 100.59 03/03/2025 06:45:26 -72.44,-106.37 100.79 94.40 66

Figure of NOAA-20 and NOAA-19 satellite orbits during SNOs since TLE Epoch: 2/27/2025
SNOs_Map_NOAA-20_NOAA-19_20250227.jpg

Download SNOs between NOAA-20 and NOAA-19 since TLE EPOCH: 02/27/2025 in txt file.

Historial Predications of SNOs between NOAA-20 and NOAA-19