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: 3/23/2025
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 -70.75, 71.80 114.87 04/03/2025 18:51:21 -70.74, 69.72 114.78 76.28 69
2 04/03/2025 19:43:27 71.32,-121.86 65.72 04/03/2025 19:42:12 71.32,-122.02 65.74 5.93 75
3 04/03/2025 20:34:12 -71.39, 45.34 114.22 04/03/2025 20:33:05 -71.38, 45.38 114.22 1.49 67
4 04/03/2025 21:24:58 71.39,-147.34 65.76 04/03/2025 21:24:07 71.40,-147.35 65.79 1.47 51
5 04/03/2025 22:15:42 -71.40, 19.94 114.24 04/03/2025 22:15:01 -71.42, 19.95 114.22 1.52 41
6 04/03/2025 23:06:29 71.45,-172.83 65.81 04/03/2025 23:06:03 71.43,-172.78 65.79 3.01 26
7 04/03/2025 23:57:13 -71.47, -5.55 114.19 04/03/2025 23:56:57 -71.45, -5.47 114.21 3.42 16
8 04/04/2025 00:47:59 71.46, 161.77 65.79 04/04/2025 00:47:59 71.46, 161.80 65.79 1.03 0
9 04/04/2025 01:38:43 -71.48, -30.94 114.21 04/04/2025 01:38:53 -71.48, -30.90 114.21 1.66 10
10 04/04/2025 02:29:29 71.48, 136.37 65.78 04/04/2025 02:29:55 71.49, 136.37 65.79 1.84 26
11 04/04/2025 03:20:13 -71.49, -56.34 114.22 04/04/2025 03:20:49 -71.51, -56.32 114.21 2.07 36
12 04/04/2025 04:11:00 71.54, 110.88 65.82 04/04/2025 04:11:51 71.53, 110.95 65.80 3.03 51
13 04/04/2025 05:01:44 -71.56, -81.83 114.18 04/04/2025 05:02:45 -71.54, -81.75 114.21 3.45 61
14 04/04/2025 05:52:32 71.66, 85.29 65.92 04/04/2025 05:53:45 71.66, 85.71 65.89 14.71 73
15 04/04/2025 06:43:23 -72.04,-108.09 113.69 04/04/2025 06:44:33 -71.98,-106.39 113.83 58.44 70

Figure of NOAA-20 and NOAA-19 satellite orbits during SNOs since TLE Epoch: 3/23/2025
SNOs_Map_NOAA-20_NOAA-19_20250323.jpg

Download SNOs between NOAA-20 and NOAA-19 since TLE EPOCH: 03/23/2025 in txt file.

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