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: 4/3/2025
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 -70.58, 72.06 115.05 04/03/2025 18:51:24 -70.62, 69.51 114.89 93.95 67
2 04/03/2025 19:43:29 71.18,-121.63 65.57 04/03/2025 19:42:16 71.16,-122.31 65.59 24.49 73
3 04/03/2025 20:34:16 -71.36, 45.37 114.26 04/03/2025 20:33:06 -71.37, 45.35 114.23 1.57 70
4 04/03/2025 21:25:03 71.38,-147.37 65.76 04/03/2025 21:24:08 71.40,-147.36 65.79 1.59 55
5 04/03/2025 22:15:47 -71.41, 19.90 114.23 04/03/2025 22:15:02 -71.41, 19.92 114.23 0.87 45
6 04/03/2025 23:06:34 71.43,-172.83 65.79 04/03/2025 23:06:04 71.43,-172.79 65.79 1.58 30
7 04/03/2025 23:57:18 -71.46, -5.56 114.20 04/03/2025 23:56:58 -71.44, -5.50 114.22 3.21 20
8 04/04/2025 00:48:04 71.43, 161.80 65.76 04/04/2025 00:48:00 71.46, 161.79 65.79 3.50 4
9 04/04/2025 01:38:48 -71.46, -30.93 114.23 04/04/2025 01:38:54 -71.47, -30.92 114.22 1.49 6
10 04/04/2025 02:29:35 71.48, 136.33 65.79 04/04/2025 02:29:56 71.50, 136.37 65.80 1.97 21
11 04/04/2025 03:20:19 -71.51, -56.40 114.20 04/04/2025 03:20:50 -71.51, -56.34 114.22 1.86 31
12 04/04/2025 04:11:06 71.53, 110.87 65.81 04/04/2025 04:11:52 71.53, 110.94 65.80 2.73 46
13 04/04/2025 05:01:49 -71.51, -81.77 114.23 04/04/2025 05:02:46 -71.54, -81.77 114.21 3.39 57
14 04/04/2025 05:52:36 71.53, 85.49 65.79 04/04/2025 05:53:49 71.51, 85.42 65.75 3.32 73
15 04/04/2025 06:43:26 -71.87,-107.80 113.88 04/04/2025 06:44:37 -71.83,-106.71 113.97 38.06 71

Figure of NOAA-20 and NOAA-19 satellite orbits during SNOs since TLE Epoch: 4/3/2025
SNOs_Map_NOAA-20_NOAA-19_20250403.jpg

Download SNOs between NOAA-20 and NOAA-19 since TLE EPOCH: 04/03/2025 in txt file.

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