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: 3/25/2025
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 -70.73, 71.83 114.89 04/03/2025 18:51:22 -70.72, 69.69 114.80 78.43 68
2 04/03/2025 19:43:27 71.30,-121.82 65.70 04/03/2025 19:42:13 71.30,-122.05 65.72 8.10 74
3 04/03/2025 20:34:12 -71.37, 45.37 114.24 04/03/2025 20:33:06 -71.37, 45.35 114.23 0.82 66
4 04/03/2025 21:24:58 71.37,-147.31 65.74 04/03/2025 21:24:08 71.39,-147.38 65.77 3.33 50
5 04/03/2025 22:15:42 -71.38, 19.97 114.26 04/03/2025 22:15:02 -71.40, 19.92 114.23 2.58 40
6 04/03/2025 23:06:29 71.43,-172.80 65.78 04/03/2025 23:06:04 71.42,-172.81 65.78 1.48 25
7 04/03/2025 23:57:13 -71.45, -5.52 114.21 04/03/2025 23:56:58 -71.43, -5.50 114.23 1.80 15
8 04/04/2025 00:47:59 71.44, 161.80 65.77 04/04/2025 00:48:00 71.45, 161.77 65.78 1.33 1
9 04/04/2025 01:38:43 -71.46, -30.91 114.23 04/04/2025 01:38:54 -71.47, -30.93 114.22 0.61 11
10 04/04/2025 02:29:30 71.51, 136.31 65.81 04/04/2025 02:29:56 71.48, 136.34 65.78 3.23 26
11 04/04/2025 03:20:13 -71.48, -56.31 114.24 04/04/2025 03:20:50 -71.50, -56.35 114.22 2.90 37
12 04/04/2025 04:11:00 71.52, 110.91 65.80 04/04/2025 04:11:52 71.52, 110.92 65.78 0.93 52
13 04/04/2025 05:01:44 -71.54, -81.80 114.20 04/04/2025 05:02:46 -71.53, -81.77 114.22 1.41 62
14 04/04/2025 05:52:32 71.69, 85.24 65.96 04/04/2025 05:53:45 71.65, 85.69 65.88 16.53 73
15 04/04/2025 06:43:23 -72.07,-108.15 113.66 04/04/2025 06:44:32 -72.02,-106.32 113.79 62.87 69

Figure of NOAA-20 and NOAA-19 satellite orbits during SNOs since TLE Epoch: 3/25/2025
SNOs_Map_NOAA-20_NOAA-19_20250325.jpg

Download SNOs between NOAA-20 and NOAA-19 since TLE EPOCH: 03/25/2025 in txt file.

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