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: 3/22/2025
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 04/03/2025 18:52:30 -70.74, 71.81 114.88 04/03/2025 18:51:21 -70.76, 69.76 114.76 75.25 69
2 04/03/2025 19:43:27 71.31,-121.84 65.71 04/03/2025 19:42:13 71.29,-122.07 65.71 8.55 74
3 04/03/2025 20:34:12 -71.38, 45.36 114.23 04/03/2025 20:33:06 -71.36, 45.33 114.24 2.61 66
4 04/03/2025 21:24:58 71.38,-147.33 65.75 04/03/2025 21:24:08 71.37,-147.40 65.76 2.61 50
5 04/03/2025 22:15:42 -71.39, 19.96 114.25 04/03/2025 22:15:02 -71.39, 19.91 114.24 1.91 40
6 04/03/2025 23:06:29 71.44,-172.82 65.80 04/03/2025 23:06:03 71.46,-172.73 65.81 3.43 26
7 04/03/2025 23:57:12 -71.41, -5.44 114.26 04/03/2025 23:56:58 -71.42, -5.52 114.24 3.39 14
8 04/04/2025 00:47:59 71.46, 161.78 65.78 04/04/2025 00:48:00 71.44, 161.75 65.77 2.41 1
9 04/04/2025 01:38:43 -71.47, -30.93 114.22 04/04/2025 01:38:54 -71.46, -30.94 114.23 1.90 11
10 04/04/2025 02:29:29 71.47, 136.38 65.77 04/04/2025 02:29:56 71.47, 136.32 65.77 2.17 27
11 04/04/2025 03:20:13 -71.48, -56.32 114.23 04/04/2025 03:20:50 -71.49, -56.37 114.23 1.57 37
12 04/04/2025 04:11:00 71.53, 110.89 65.81 04/04/2025 04:11:52 71.50, 110.90 65.77 3.65 52
13 04/04/2025 05:01:44 -71.55, -81.81 114.19 04/04/2025 05:02:46 -71.52, -81.79 114.23 3.40 62
14 04/04/2025 05:52:33 71.70, 85.21 65.97 04/04/2025 05:53:46 71.64, 85.67 65.87 17.46 73
15 04/04/2025 06:43:24 -72.08,-108.17 113.65 04/04/2025 06:44:33 -72.01,-106.34 113.80 62.98 69

Figure of NOAA-20 and NOAA-19 satellite orbits during SNOs since TLE Epoch: 3/22/2025
SNOs_Map_NOAA-20_NOAA-19_20250322.jpg

Download SNOs between NOAA-20 and NOAA-19 since TLE EPOCH: 03/22/2025 in txt file.

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