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: 3/24/2025
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 18:52:31 -70.78, 71.76 114.85 04/03/2025 18:51:22 -70.74, 69.72 114.78 74.65 69
2 04/03/2025 19:43:28 71.34,-121.90 65.74 04/03/2025 19:42:13 71.32,-122.01 65.74 4.81 75
3 04/03/2025 20:34:12 -71.36, 45.39 114.25 04/03/2025 20:33:06 -71.39, 45.38 114.21 3.21 66
4 04/03/2025 21:24:59 71.41,-147.39 65.79 04/03/2025 21:24:08 71.41,-147.35 65.79 1.44 51
5 04/03/2025 22:15:43 -71.43, 19.90 114.21 04/03/2025 22:15:02 -71.42, 19.96 114.21 2.15 41
6 04/03/2025 23:06:29 71.42,-172.78 65.77 04/03/2025 23:06:04 71.44,-172.77 65.79 1.92 25
7 04/03/2025 23:57:13 -71.44, -5.50 114.23 04/03/2025 23:56:58 -71.45, -5.46 114.21 2.12 15
8 04/04/2025 00:48:00 71.49, 161.73 65.82 04/04/2025 00:48:00 71.47, 161.81 65.80 3.29 0
9 04/04/2025 01:38:42 -71.45, -30.89 114.24 04/04/2025 01:38:54 -71.44, -30.98 114.25 3.58 12
10 04/04/2025 02:29:29 71.50, 136.33 65.80 04/04/2025 02:29:55 71.50, 136.38 65.80 1.87 26
11 04/04/2025 03:20:13 -71.52, -56.38 114.20 04/04/2025 03:20:49 -71.52, -56.31 114.20 2.52 36
12 04/04/2025 04:10:59 71.51, 110.93 65.79 04/04/2025 04:11:51 71.54, 110.96 65.80 2.65 52
13 04/04/2025 05:01:43 -71.53, -81.78 114.21 04/04/2025 05:02:45 -71.55, -81.74 114.20 2.95 62
14 04/04/2025 05:52:32 71.68, 85.25 65.94 04/04/2025 05:53:45 71.67, 85.73 65.90 16.59 73
15 04/04/2025 06:43:23 -72.06,-108.13 113.67 04/04/2025 06:44:33 -71.99,-106.38 113.82 60.44 70

Figure of NOAA-20 and NOAA-19 satellite orbits during SNOs since TLE Epoch: 3/24/2025
SNOs_Map_NOAA-20_NOAA-19_20250324.jpg

Download SNOs between NOAA-20 and NOAA-19 since TLE EPOCH: 03/24/2025 in txt file.

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